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<center><a href="https://gitlab.com/petsc/petsc/-/blob/b522cb8c110832b61be366220eb7433134308289/include/petscksp.h">Actual source code: petscksp.h</a></center><br>
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<title></title>
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<meta name="date" content="2025-10-29T18:33:44+00:00">
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<pre width=80>
<a name="line1"> 1: </a><font color="#B22222">/*</font>
<a name="line2"> 2: </a><font color="#B22222"> Defines the interface functions for the Krylov subspace accelerators.</font>
<a name="line3"> 3: </a><font color="#B22222">*/</font>
<a name="line4"> 4: </a><font color="#A020F0">#pragma once</font>
<a name="line6"> 6: </a>#include <A href="../include/petscpc.h.html"><petscpc.h></A>
<a name="line8"> 8: </a><font color="#B22222">/* SUBMANSEC = <a href="../manualpages/KSP/KSP.html">KSP</a> */</font>
<a name="line10"> 10: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPInitializePackage.html">KSPInitializePackage</a>(void)</font></strong>;
<a name="line11"> 11: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFinalizePackage.html">KSPFinalizePackage</a>(void)</font></strong>;
<a name="line13"> 13: </a><font color="#B22222">/*S</font>
<a name="line14"> 14: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP.html">KSP</a> - Abstract PETSc object that manages the linear solves in PETSc (even those such as direct factorization-based solvers that</font>
<a name="line15"> 15: </a><font color="#B22222"> do not use Krylov accelerators).</font>
<a name="line17"> 17: </a><font color="#B22222"> Level: beginner</font>
<a name="line19"> 19: </a><font color="#B22222"> Notes:</font>
<a name="line20"> 20: </a><font color="#B22222"> When a direct solver is used, but no Krylov solver is used, the `<a href="../manualpages/KSP/KSP.html">KSP</a>` object is still used but with a</font>
<a name="line21"> 21: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPType.html">KSPType</a>` of `<a href="../manualpages/KSP/KSPPREONLY.html">KSPPREONLY</a>` (or equivalently `<a href="../manualpages/KSP/KSPNONE.html">KSPNONE</a>`), meaning that only application of the preconditioner is used as the linear solver.</font>
<a name="line23"> 23: </a><font color="#B22222"> Use `<a href="../manualpages/KSP/KSPSetType.html">KSPSetType</a>()` or the options database key `-ksp_type` to set the specific Krylov solver algorithm to use with a given `<a href="../manualpages/KSP/KSP.html">KSP</a>` object</font>
<a name="line25"> 25: </a><font color="#B22222"> The `<a href="../manualpages/PC/PC.html">PC</a>` object is used to control preconditioners in PETSc.</font>
<a name="line27"> 27: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSP.html">KSP</a>` can also be used to solve some least squares problems (over or under-determined linear systems), using, for example, `<a href="../manualpages/KSP/KSPLSQR.html">KSPLSQR</a>`, see `<a href="../manualpages/PetscRegressor/PETSCREGRESSORLINEAR.html">PETSCREGRESSORLINEAR</a>`</font>
<a name="line28"> 28: </a><font color="#B22222"> for additional methods that can be used to solve least squares problems and other linear regressions).</font>
<a name="line30"> 30: </a><font color="#B22222">.seealso: [](doc_linsolve), [](ch_ksp), `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`, `<a href="../manualpages/KSP/KSPSetType.html">KSPSetType</a>()`, `<a href="../manualpages/KSP/KSPType.html">KSPType</a>`, `<a href="../manualpages/SNES/SNES.html">SNES</a>`, `<a href="../manualpages/TS/TS.html">TS</a>`, `<a href="../manualpages/PC/PC.html">PC</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPDestroy.html">KSPDestroy</a>()`, `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`, `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`</font>
<a name="line31"> 31: </a><font color="#B22222">S*/</font>
<a name="line32"> 32: </a><font color="#4169E1">typedef struct _p_KSP *<a href="../manualpages/KSP/KSP.html">KSP</a>;</font>
<a name="line34"> 34: </a><font color="#B22222">/*J</font>
<a name="line35"> 35: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPType.html">KSPType</a> - String with the name of a PETSc Krylov method. These are all the Krylov solvers that PETSc provides.</font>
<a name="line37"> 37: </a><font color="#B22222"> Level: beginner</font>
<a name="line39"> 39: </a><font color="#B22222">.seealso: [](doc_linsolve), [](ch_ksp), `<a href="../manualpages/KSP/KSPSetType.html">KSPSetType</a>()`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPRegister.html">KSPRegister</a>()`, `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`, `<a href="../manualpages/KSP/KSPSetFromOptions.html">KSPSetFromOptions</a>()`</font>
<a name="line40"> 40: </a><font color="#B22222">J*/</font>
<a name="line41"> 41: </a><font color="#4169E1">typedef const char *<a href="../manualpages/KSP/KSPType.html">KSPType</a>;</font>
<a name="line42"> 42: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPRICHARDSON.html">KSPRICHARDSON</a> </font><font color="#666666">"richardson"</font><font color="#228B22"></font></strong>
<a name="line43"> 43: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCHEBYSHEV.html">KSPCHEBYSHEV</a> </font><font color="#666666">"chebyshev"</font><font color="#228B22"></font></strong>
<a name="line44"> 44: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCG.html">KSPCG</a> </font><font color="#666666">"cg"</font><font color="#228B22"></font></strong>
<a name="line45"> 45: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGROPPCG.html">KSPGROPPCG</a> </font><font color="#666666">"groppcg"</font><font color="#228B22"></font></strong>
<a name="line46"> 46: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPECG.html">KSPPIPECG</a> </font><font color="#666666">"pipecg"</font><font color="#228B22"></font></strong>
<a name="line47"> 47: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPECGRR.html">KSPPIPECGRR</a> </font><font color="#666666">"pipecgrr"</font><font color="#228B22"></font></strong>
<a name="line48"> 48: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPELCG.html">KSPPIPELCG</a> </font><font color="#666666">"pipelcg"</font><font color="#228B22"></font></strong>
<a name="line49"> 49: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPEPRCG.html">KSPPIPEPRCG</a> </font><font color="#666666">"pipeprcg"</font><font color="#228B22"></font></strong>
<a name="line50"> 50: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPECG2.html">KSPPIPECG2</a> </font><font color="#666666">"pipecg2"</font><font color="#228B22"></font></strong>
<a name="line51"> 51: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCGNE.html">KSPCGNE</a> </font><font color="#666666">"cgne"</font><font color="#228B22"></font></strong>
<a name="line52"> 52: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPNASH.html">KSPNASH</a> </font><font color="#666666">"nash"</font><font color="#228B22"></font></strong>
<a name="line53"> 53: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPSTCG.html">KSPSTCG</a> </font><font color="#666666">"stcg"</font><font color="#228B22"></font></strong>
<a name="line54"> 54: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGLTR.html">KSPGLTR</a> </font><font color="#666666">"gltr"</font><font color="#228B22"></font></strong>
<a name="line55"> 55: </a><strong><font color="#228B22">#define KSPCGNASH PETSC_DEPRECATED_MACRO(3, 11, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPNASH.html">KSPNASH</a>"</font><font color="#228B22">, ) </font><font color="#666666">"nash"</font><font color="#228B22"></font></strong>
<a name="line56"> 56: </a><strong><font color="#228B22">#define KSPCGSTCG PETSC_DEPRECATED_MACRO(3, 11, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPSTCG.html">KSPSTCG</a>"</font><font color="#228B22">, ) </font><font color="#666666">"stcg"</font><font color="#228B22"></font></strong>
<a name="line57"> 57: </a><strong><font color="#228B22">#define KSPCGGLTR PETSC_DEPRECATED_MACRO(3, 11, 0, </font><font color="#666666">"KSPSGLTR"</font><font color="#228B22">, ) </font><font color="#666666">"gltr"</font><font color="#228B22"></font></strong>
<a name="line58"> 58: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPFCG.html">KSPFCG</a> </font><font color="#666666">"fcg"</font><font color="#228B22"></font></strong>
<a name="line59"> 59: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPEFCG.html">KSPPIPEFCG</a> </font><font color="#666666">"pipefcg"</font><font color="#228B22"></font></strong>
<a name="line60"> 60: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a> </font><font color="#666666">"gmres"</font><font color="#228B22"></font></strong>
<a name="line61"> 61: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPEFGMRES.html">KSPPIPEFGMRES</a> </font><font color="#666666">"pipefgmres"</font><font color="#228B22"></font></strong>
<a name="line62"> 62: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPFGMRES.html">KSPFGMRES</a> </font><font color="#666666">"fgmres"</font><font color="#228B22"></font></strong>
<a name="line63"> 63: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPLGMRES.html">KSPLGMRES</a> </font><font color="#666666">"lgmres"</font><font color="#228B22"></font></strong>
<a name="line64"> 64: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPDGMRES.html">KSPDGMRES</a> </font><font color="#666666">"dgmres"</font><font color="#228B22"></font></strong>
<a name="line65"> 65: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPGMRES.html">KSPPGMRES</a> </font><font color="#666666">"pgmres"</font><font color="#228B22"></font></strong>
<a name="line66"> 66: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPTCQMR.html">KSPTCQMR</a> </font><font color="#666666">"tcqmr"</font><font color="#228B22"></font></strong>
<a name="line67"> 67: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPBCGS.html">KSPBCGS</a> </font><font color="#666666">"bcgs"</font><font color="#228B22"></font></strong>
<a name="line68"> 68: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPIBCGS.html">KSPIBCGS</a> </font><font color="#666666">"ibcgs"</font><font color="#228B22"></font></strong>
<a name="line69"> 69: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPQMRCGS.html">KSPQMRCGS</a> </font><font color="#666666">"qmrcgs"</font><font color="#228B22"></font></strong>
<a name="line70"> 70: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPFBCGS.html">KSPFBCGS</a> </font><font color="#666666">"fbcgs"</font><font color="#228B22"></font></strong>
<a name="line71"> 71: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPFBCGSR.html">KSPFBCGSR</a> </font><font color="#666666">"fbcgsr"</font><font color="#228B22"></font></strong>
<a name="line72"> 72: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPBCGSL.html">KSPBCGSL</a> </font><font color="#666666">"bcgsl"</font><font color="#228B22"></font></strong>
<a name="line73"> 73: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPEBCGS.html">KSPPIPEBCGS</a> </font><font color="#666666">"pipebcgs"</font><font color="#228B22"></font></strong>
<a name="line74"> 74: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCGS.html">KSPCGS</a> </font><font color="#666666">"cgs"</font><font color="#228B22"></font></strong>
<a name="line75"> 75: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPTFQMR.html">KSPTFQMR</a> </font><font color="#666666">"tfqmr"</font><font color="#228B22"></font></strong>
<a name="line76"> 76: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCR.html">KSPCR</a> </font><font color="#666666">"cr"</font><font color="#228B22"></font></strong>
<a name="line77"> 77: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPECR.html">KSPPIPECR</a> </font><font color="#666666">"pipecr"</font><font color="#228B22"></font></strong>
<a name="line78"> 78: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPLSQR.html">KSPLSQR</a> </font><font color="#666666">"lsqr"</font><font color="#228B22"></font></strong>
<a name="line79"> 79: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPREONLY.html">KSPPREONLY</a> </font><font color="#666666">"preonly"</font><font color="#228B22"></font></strong>
<a name="line80"> 80: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPNONE.html">KSPNONE</a> </font><font color="#666666">"none"</font><font color="#228B22"></font></strong>
<a name="line81"> 81: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPQCG.html">KSPQCG</a> </font><font color="#666666">"qcg"</font><font color="#228B22"></font></strong>
<a name="line82"> 82: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPBICG.html">KSPBICG</a> </font><font color="#666666">"bicg"</font><font color="#228B22"></font></strong>
<a name="line83"> 83: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPMINRES.html">KSPMINRES</a> </font><font color="#666666">"minres"</font><font color="#228B22"></font></strong>
<a name="line84"> 84: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPSYMMLQ.html">KSPSYMMLQ</a> </font><font color="#666666">"symmlq"</font><font color="#228B22"></font></strong>
<a name="line85"> 85: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPLCD.html">KSPLCD</a> </font><font color="#666666">"lcd"</font><font color="#228B22"></font></strong>
<a name="line86"> 86: </a><strong><font color="#228B22">#define KSPPYTHON </font><font color="#666666">"python"</font><font color="#228B22"></font></strong>
<a name="line87"> 87: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGCR.html">KSPGCR</a> </font><font color="#666666">"gcr"</font><font color="#228B22"></font></strong>
<a name="line88"> 88: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPPIPEGCR.html">KSPPIPEGCR</a> </font><font color="#666666">"pipegcr"</font><font color="#228B22"></font></strong>
<a name="line89"> 89: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPTSIRM.html">KSPTSIRM</a> </font><font color="#666666">"tsirm"</font><font color="#228B22"></font></strong>
<a name="line90"> 90: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPCGLS.html">KSPCGLS</a> </font><font color="#666666">"cgls"</font><font color="#228B22"></font></strong>
<a name="line91"> 91: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPFETIDP.html">KSPFETIDP</a> </font><font color="#666666">"fetidp"</font><font color="#228B22"></font></strong>
<a name="line92"> 92: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a> </font><font color="#666666">"hpddm"</font><font color="#228B22"></font></strong>
<a name="line94"> 94: </a><font color="#B22222">/* Logging support */</font>
<a name="line95"> 95: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscClassId.html">PetscClassId</a> KSP_CLASSID;
<a name="line96"> 96: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscClassId.html">PetscClassId</a> KSPGUESS_CLASSID;
<a name="line97"> 97: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscClassId.html">PetscClassId</a> DMKSP_CLASSID;
<a name="line99"> 99: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line100">100: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetType.html">KSPSetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPType.html">KSPType</a>)</font></strong>;
<a name="line101">101: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetType.html">KSPGetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPType.html">KSPType</a> *)</font></strong>;
<a name="line102">102: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetUp.html">KSPSetUp</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line103">103: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetUpOnBlocks.html">KSPSetUpOnBlocks</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line104">104: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line105">105: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSolveTranspose.html">KSPSolveTranspose</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line106">106: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetUseExplicitTranspose.html">KSPSetUseExplicitTranspose</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line107">107: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMatSolve.html">KSPMatSolve</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line108">108: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMatSolveTranspose.html">KSPMatSolveTranspose</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line109">109: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetMatSolveBatchSize.html">KSPSetMatSolveBatchSize</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line110">110: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPSetMatSolveBatchSize.html">KSPSetMatSolveBatchSize</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPSetMatSolveBlockSize(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n)
<a name="line111">111: </a>{
<a name="line112">112: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPSetMatSolveBatchSize.html">KSPSetMatSolveBatchSize</a>(ksp, n);
<a name="line113">113: </a>}
<a name="line114">114: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetMatSolveBatchSize.html">KSPGetMatSolveBatchSize</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line115">115: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPGetMatSolveBatchSize.html">KSPGetMatSolveBatchSize</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPGetMatSolveBlockSize(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *n)
<a name="line116">116: </a>{
<a name="line117">117: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPGetMatSolveBatchSize.html">KSPGetMatSolveBatchSize</a>(ksp, n);
<a name="line118">118: </a>}
<a name="line119">119: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPReset.html">KSPReset</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line120">120: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPResetViewers.html">KSPResetViewers</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line121">121: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPDestroy.html">KSPDestroy</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line122">122: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetReusePreconditioner.html">KSPSetReusePreconditioner</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line123">123: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetReusePreconditioner.html">KSPGetReusePreconditioner</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line124">124: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetSkipPCSetFromOptions.html">KSPSetSkipPCSetFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line125">125: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCheckSolve.html">KSPCheckSolve</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line127">127: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> KSPList;
<a name="line128">128: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> KSPGuessList;
<a name="line129">129: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> KSPMonitorList;
<a name="line130">130: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> KSPMonitorCreateList;
<a name="line131">131: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> KSPMonitorDestroyList;
<a name="line132">132: </a><strong><font color="#4169E1"><a name="KSPRegister"></a>PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPRegister.html">KSPRegister</a>(const char[], <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> (*)(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>);
<a name="line134">134: </a><font color="#B22222">/*S</font>
<a name="line135">135: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> - A function prototype for functions provided to `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`</font>
<a name="line137">137: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line138">138: </a><font color="#B22222">+ ksp - iterative solver obtained from `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`</font>
<a name="line139">139: </a><font color="#B22222">. it - iteration number</font>
<a name="line140">140: </a><font color="#B22222">. rnorm - (estimated) 2-norm of (preconditioned) residual</font>
<a name="line141">141: </a><font color="#B22222">- ctx - `PetscViewerAndFormat` object</font>
<a name="line143">143: </a><font color="#B22222"> Level: beginner</font>
<a name="line145">145: </a><font color="#B22222"> Note:</font>
<a name="line146">146: </a><font color="#B22222"> This is a `<a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a>` specialized for a context of `PetscViewerAndFormat`</font>
<a name="line148">148: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`, `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`, `<a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a>`, `<a href="../manualpages/KSP/KSPMonitorRegisterCreateFn.html">KSPMonitorRegisterCreateFn</a>`, `<a href="../manualpages/KSP/KSPMonitorRegisterDestroyFn.html">KSPMonitorRegisterDestroyFn</a>`</font>
<a name="line149">149: </a><font color="#B22222">S*/</font>
<a name="line150">150: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> it, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *ctx)</font></strong>;
<a name="line152">152: </a><font color="#B22222">/*S</font>
<a name="line153">153: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPMonitorRegisterCreateFn.html">KSPMonitorRegisterCreateFn</a> - A function prototype for functions that do the creation when provided to `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`</font>
<a name="line155">155: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line156">156: </a><font color="#B22222">+ viewer - the viewer to be used with the `<a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a>`</font>
<a name="line157">157: </a><font color="#B22222">. format - the format of the viewer</font>
<a name="line158">158: </a><font color="#B22222">. ctx - a context for the monitor</font>
<a name="line159">159: </a><font color="#B22222">- result - a `PetscViewerAndFormat` object</font>
<a name="line161">161: </a><font color="#B22222"> Level: beginner</font>
<a name="line163">163: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`, `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`, `<a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a>`, `<a href="../manualpages/KSP/KSPMonitorRegisterDestroyFn.html">KSPMonitorRegisterDestroyFn</a>`</font>
<a name="line164">164: </a><font color="#B22222">S*/</font>
<a name="line165">165: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorRegisterCreateFn.html">KSPMonitorRegisterCreateFn</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a> viewer, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a> format, void *ctx, PetscViewerAndFormat **result)</font></strong>;
<a name="line167">167: </a><font color="#B22222">/*S</font>
<a name="line168">168: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPMonitorRegisterDestroyFn.html">KSPMonitorRegisterDestroyFn</a> - A function prototype for functions that do the after use destruction when provided to `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`</font>
<a name="line170">170: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line171">171: </a><font color="#B22222">. vf - a `PetscViewerAndFormat` object to be destroyed, including any context</font>
<a name="line173">173: </a><font color="#B22222"> Level: beginner</font>
<a name="line175">175: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`, `<a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>()`, `<a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a>`, `<a href="../manualpages/KSP/KSPMonitorRegisterCreateFn.html">KSPMonitorRegisterCreateFn</a>`</font>
<a name="line176">176: </a><font color="#B22222">S*/</font>
<a name="line177">177: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorRegisterDestroyFn.html">KSPMonitorRegisterDestroyFn</a>(PetscViewerAndFormat **result)</font></strong>;
<a name="line179">179: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorRegister.html">KSPMonitorRegister</a>(const char[], <a href="../manualpages/Viewer/PetscViewerType.html">PetscViewerType</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> *, <a href="../manualpages/KSP/KSPMonitorRegisterCreateFn.html">KSPMonitorRegisterCreateFn</a> *, <a href="../manualpages/KSP/KSPMonitorRegisterDestroyFn.html">KSPMonitorRegisterDestroyFn</a> *)</font></strong>;
<a name="line181">181: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetPCSide.html">KSPSetPCSide</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PCSide.html">PCSide</a>)</font></strong>;
<a name="line182">182: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetPCSide.html">KSPGetPCSide</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PCSide.html">PCSide</a> *)</font></strong>;
<a name="line183">183: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line184">184: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetTolerances.html">KSPGetTolerances</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line185">185: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetMinimumIterations.html">KSPSetMinimumIterations</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line186">186: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetMinimumIterations.html">KSPGetMinimumIterations</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line187">187: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetInitialGuessNonzero.html">KSPSetInitialGuessNonzero</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line188">188: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetInitialGuessNonzero.html">KSPGetInitialGuessNonzero</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line189">189: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetErrorIfNotConverged.html">KSPSetErrorIfNotConverged</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line190">190: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetErrorIfNotConverged.html">KSPGetErrorIfNotConverged</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line191">191: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeEigenvalues.html">KSPSetComputeEigenvalues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line192">192: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeRitz.html">KSPSetComputeRitz</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line193">193: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetComputeEigenvalues.html">KSPGetComputeEigenvalues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line194">194: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeSingularValues.html">KSPSetComputeSingularValues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line195">195: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetComputeSingularValues.html">KSPGetComputeSingularValues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line196">196: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetRhs.html">KSPGetRhs</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line197">197: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetSolution.html">KSPGetSolution</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line198">198: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetResidualNorm.html">KSPGetResidualNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line199">199: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetIterationNumber.html">KSPGetIterationNumber</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line200">200: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetTotalIterations.html">KSPGetTotalIterations</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line201">201: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCreateVecs.html">KSPCreateVecs</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> **, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> **)</font></strong>;
<a name="line202">202: </a>PETSC_DEPRECATED_FUNCTION(3, 6, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPCreateVecs.html">KSPCreateVecs</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPGetVecs(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Vec/Vec.html">Vec</a> **x, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> m, <a href="../manualpages/Vec/Vec.html">Vec</a> **y)
<a name="line203">203: </a>{
<a name="line204">204: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPCreateVecs.html">KSPCreateVecs</a>(ksp, n, x, m, y);
<a name="line205">205: </a>}
<a name="line207">207: </a><font color="#B22222">/*S</font>
<a name="line208">208: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPPSolveFn.html">KSPPSolveFn</a> - A function prototype for functions provided to `<a href="../manualpages/KSP/KSPSetPreSolve.html">KSPSetPreSolve</a>()` and `<a href="../manualpages/KSP/KSPSetPostSolve.html">KSPSetPostSolve</a>()`</font>
<a name="line210">210: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line211">211: </a><font color="#B22222">+ ksp - the `<a href="../manualpages/KSP/KSP.html">KSP</a>` context</font>
<a name="line212">212: </a><font color="#B22222">. rhs - the right-hand side vector</font>
<a name="line213">213: </a><font color="#B22222">. x - the solution vector</font>
<a name="line214">214: </a><font color="#B22222">- ctx - optional context that was provided with `<a href="../manualpages/KSP/KSPSetPreSolve.html">KSPSetPreSolve</a>()` or `<a href="../manualpages/KSP/KSPSetPostSolve.html">KSPSetPostSolve</a>()`</font>
<a name="line216">216: </a><font color="#B22222"> Level: intermediate</font>
<a name="line218">218: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetPreSolve.html">KSPSetPreSolve</a>()`, `<a href="../manualpages/KSP/KSPSetPostSolve.html">KSPSetPostSolve</a>()`, `<a href="../manualpages/KSP/PCShellPSolveFn.html">PCShellPSolveFn</a>`</font>
<a name="line219">219: </a><font color="#B22222">S*/</font>
<a name="line220">220: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPSolveFn.html">KSPPSolveFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Vec/Vec.html">Vec</a> rhs, <a href="../manualpages/Vec/Vec.html">Vec</a> x, void *ctx)</font></strong>;
<a name="line222">222: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetPreSolve.html">KSPSetPreSolve</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPPSolveFn.html">KSPPSolveFn</a> *, void *)</font></strong>;
<a name="line223">223: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetPostSolve.html">KSPSetPostSolve</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPPSolveFn.html">KSPPSolveFn</a> *, void *)</font></strong>;
<a name="line225">225: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetPC.html">KSPSetPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PC.html">PC</a>)</font></strong>;
<a name="line226">226: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetPC.html">KSPGetPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PC.html">PC</a> *)</font></strong>;
<a name="line227">227: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetNestLevel.html">KSPSetNestLevel</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line228">228: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetNestLevel.html">KSPGetNestLevel</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line230">230: </a><font color="#B22222">/*S</font>
<a name="line231">231: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a> - A function prototype for functions provided to `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`</font>
<a name="line233">233: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line234">234: </a><font color="#B22222">+ ksp - iterative solver obtained from `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`</font>
<a name="line235">235: </a><font color="#B22222">. it - iteration number</font>
<a name="line236">236: </a><font color="#B22222">. rnorm - (estimated) 2-norm of (preconditioned) residual</font>
<a name="line237">237: </a><font color="#B22222">- ctx - optional monitoring context, as provided with `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`</font>
<a name="line239">239: </a><font color="#B22222"> Level: beginner</font>
<a name="line241">241: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>()`</font>
<a name="line242">242: </a><font color="#B22222">S*/</font>
<a name="line243">243: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> it, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, void *ctx)</font></strong>;
<a name="line245">245: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitor.html">KSPMonitor</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line246">246: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSet.html">KSPMonitorSet</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPMonitorFn.html">KSPMonitorFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line247">247: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorCancel.html">KSPMonitorCancel</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line248">248: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetMonitorContext.html">KSPGetMonitorContext</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, void *)</font></strong>;
<a name="line249">249: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetResidualHistory.html">KSPGetResidualHistory</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line250">250: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetResidualHistory.html">KSPSetResidualHistory</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscCount.html">PetscCount</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line251">251: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetErrorHistory.html">KSPGetErrorHistory</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line252">252: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetErrorHistory.html">KSPSetErrorHistory</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscCount.html">PetscCount</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line254">254: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPBuildSolutionDefault(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line255">255: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBuildResidualDefault.html">KSPBuildResidualDefault</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line256">256: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPDestroyDefault(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line257">257: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetWorkVecs.html">KSPSetWorkVecs</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line259">259: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCKSPGetKSP.html">PCKSPGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line260">260: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCKSPSetKSP.html">PCKSPSetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line261">261: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCBJacobiGetSubKSP.html">PCBJacobiGetSubKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line262">262: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCASMGetSubKSP.html">PCASMGetSubKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line263">263: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCGASMGetSubKSP.html">PCGASMGetSubKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line264">264: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> PCPatchGetSubKSP(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line265">265: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCFieldSplitGetSubKSP.html">PCFieldSplitGetSubKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line266">266: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCFieldSplitSchurGetSubKSP.html">PCFieldSplitSchurGetSubKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/KSP/KSP.html">KSP</a> *[])</font></strong>;
<a name="line267">267: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGGetSmoother.html">PCMGGetSmoother</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line268">268: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGGetSmootherDown.html">PCMGGetSmootherDown</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line269">269: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGGetSmootherUp.html">PCMGGetSmootherUp</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line270">270: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGGetCoarseSolve.html">PCMGGetCoarseSolve</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line271">271: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCGalerkinGetKSP.html">PCGalerkinGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line272">272: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCDeflationGetCoarseKSP.html">PCDeflationGetCoarseKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line274">274: </a><font color="#B22222">/*S</font>
<a name="line275">275: </a><font color="#B22222"> <a href="../manualpages/KSP/PCMGCoarseSpaceConstructorFn.html">PCMGCoarseSpaceConstructorFn</a> - A function prototype for functions registered with `<a href="../manualpages/PC/PCMGRegisterCoarseSpaceConstructor.html">PCMGRegisterCoarseSpaceConstructor</a>()`</font>
<a name="line277">277: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line278">278: </a><font color="#B22222">+ pc - The `<a href="../manualpages/PC/PC.html">PC</a>` object</font>
<a name="line279">279: </a><font color="#B22222">. l - The multigrid level, 0 is the coarse level</font>
<a name="line280">280: </a><font color="#B22222">. dm - The `<a href="../manualpages/DM/DM.html">DM</a>` for this level</font>
<a name="line281">281: </a><font color="#B22222">. smooth - The level smoother</font>
<a name="line282">282: </a><font color="#B22222">. Nc - The size of the coarse space</font>
<a name="line283">283: </a><font color="#B22222">. initGuess - Basis for an initial guess for the space</font>
<a name="line284">284: </a><font color="#B22222">- coarseSp - A basis for the computed coarse space</font>
<a name="line286">286: </a><font color="#B22222"> Level: beginner</font>
<a name="line288">288: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/PC/PCMGRegisterCoarseSpaceConstructor.html">PCMGRegisterCoarseSpaceConstructor</a>()`, `<a href="../manualpages/PC/PCMGGetCoarseSpaceConstructor.html">PCMGGetCoarseSpaceConstructor</a>()`</font>
<a name="line289">289: </a><font color="#B22222">S*/</font>
<a name="line290">290: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/PCMGCoarseSpaceConstructorFn.html">PCMGCoarseSpaceConstructorFn</a>(<a href="../manualpages/PC/PC.html">PC</a> pc, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> l, <a href="../manualpages/DM/DM.html">DM</a> dm, <a href="../manualpages/KSP/KSP.html">KSP</a> smooth, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nc, <a href="../manualpages/Mat/Mat.html">Mat</a> initGuess, <a href="../manualpages/Mat/Mat.html">Mat</a> *coarseSp)</font></strong>;
<a name="line292">292: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscFunctionList.html">PetscFunctionList</a> PCMGCoarseList;
<a name="line293">293: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGRegisterCoarseSpaceConstructor.html">PCMGRegisterCoarseSpaceConstructor</a>(const char[], <a href="../manualpages/KSP/PCMGCoarseSpaceConstructorFn.html">PCMGCoarseSpaceConstructorFn</a> *)</font></strong>;
<a name="line294">294: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMGGetCoarseSpaceConstructor.html">PCMGGetCoarseSpaceConstructor</a>(const char[], <a href="../manualpages/KSP/PCMGCoarseSpaceConstructorFn.html">PCMGCoarseSpaceConstructorFn</a> **)</font></strong>;
<a name="line296">296: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBuildSolution.html">KSPBuildSolution</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line297">297: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBuildResidual.html">KSPBuildResidual</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line299">299: </a><font color="#B22222">/*E</font>
<a name="line300">300: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPChebyshevKind.html">KSPChebyshevKind</a> - Which kind of Chebyshev polynomial to use with `<a href="../manualpages/KSP/KSPCHEBYSHEV.html">KSPCHEBYSHEV</a>`</font>
<a name="line302">302: </a><font color="#B22222"> Values:</font>
<a name="line303">303: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_FIRST</a>` - "classic" first-kind Chebyshev polynomial</font>
<a name="line304">304: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_FOURTH</a>` - fourth-kind Chebyshev polynomial</font>
<a name="line305">305: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_OPT_FOURTH</a>` - optimized fourth-kind Chebyshev polynomial</font>
<a name="line307">307: </a><font color="#B22222"> Level: intermediate</font>
<a name="line309">309: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPCHEBYSHEV.html">KSPCHEBYSHEV</a>`, `<a href="../manualpages/KSP/KSPChebyshevSetKind.html">KSPChebyshevSetKind</a>()`, `<a href="../manualpages/KSP/KSPChebyshevGetKind.html">KSPChebyshevGetKind</a>()`</font>
<a name="line310">310: </a><font color="#B22222">E*/</font>
<a name="line311">311: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line312">312: </a> <a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_FIRST</a>,
<a name="line313">313: </a> <a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_FOURTH</a>,
<a name="line314">314: </a> <a href="../manualpages/KSP/KSPChebyshevKind.html">KSP_CHEBYSHEV_OPT_FOURTH</a>
<a name="line315">315: </a>} <a href="../manualpages/KSP/KSPChebyshevKind.html">KSPChebyshevKind</a>;
<a name="line317">317: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPRichardsonSetScale.html">KSPRichardsonSetScale</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line318">318: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPRichardsonSetSelfScale.html">KSPRichardsonSetSelfScale</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line319">319: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevSetEigenvalues.html">KSPChebyshevSetEigenvalues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line320">320: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevEstEigSet.html">KSPChebyshevEstEigSet</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line321">321: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevEstEigSetUseNoisy.html">KSPChebyshevEstEigSetUseNoisy</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line322">322: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevSetKind.html">KSPChebyshevSetKind</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPChebyshevKind.html">KSPChebyshevKind</a>)</font></strong>;
<a name="line323">323: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevGetKind.html">KSPChebyshevGetKind</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPChebyshevKind.html">KSPChebyshevKind</a> *)</font></strong>;
<a name="line324">324: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPChebyshevEstEigGetKSP.html">KSPChebyshevEstEigGetKSP</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line325">325: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeExtremeSingularValues.html">KSPComputeExtremeSingularValues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line326">326: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeEigenvalues.html">KSPComputeEigenvalues</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line327">327: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeEigenvaluesExplicitly.html">KSPComputeEigenvaluesExplicitly</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[])</font></strong>;
<a name="line328">328: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeRitz.html">KSPComputeRitz</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *, <a href="../manualpages/Vec/Vec.html">Vec</a>[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>[])</font></strong>;
<a name="line330">330: </a><font color="#B22222">/*E</font>
<a name="line332">332: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a> - Define how stored directions are used to orthogonalize in flexible conjugate directions (FCD) methods</font>
<a name="line334">334: </a><font color="#B22222"> Values:</font>
<a name="line335">335: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPFCDTruncationType.html">KSP_FCD_TRUNC_TYPE_STANDARD</a>` - uses all (up to mmax) stored directions</font>
<a name="line336">336: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSPFCDTruncationType.html">KSP_FCD_TRUNC_TYPE_NOTAY</a>` - uses the last max(1,mod(i,mmax)) stored directions at iteration i=0,1..</font>
<a name="line338">338: </a><font color="#B22222"> Level: intermediate</font>
<a name="line340">340: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPFCG.html">KSPFCG</a>`, `<a href="../manualpages/KSP/KSPPIPEFCG.html">KSPPIPEFCG</a>`, `<a href="../manualpages/KSP/KSPPIPEGCR.html">KSPPIPEGCR</a>`, `<a href="../manualpages/KSP/KSPFCGSetTruncationType.html">KSPFCGSetTruncationType</a>()`, `<a href="../manualpages/KSP/KSPFCGGetTruncationType.html">KSPFCGGetTruncationType</a>()`</font>
<a name="line341">341: </a><font color="#B22222">E*/</font>
<a name="line342">342: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line343">343: </a> <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSP_FCD_TRUNC_TYPE_STANDARD</a>,
<a name="line344">344: </a> <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSP_FCD_TRUNC_TYPE_NOTAY</a>
<a name="line345">345: </a>} <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a>;
<a name="line346">346: </a>PETSC_EXTERN const char *const KSPFCDTruncationTypes[];
<a name="line348">348: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGSetMmax.html">KSPFCGSetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line349">349: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGGetMmax.html">KSPFCGGetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line350">350: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGSetNprealloc.html">KSPFCGSetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line351">351: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGGetNprealloc.html">KSPFCGGetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line352">352: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGSetTruncationType.html">KSPFCGSetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a>)</font></strong>;
<a name="line353">353: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFCGGetTruncationType.html">KSPFCGGetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a> *)</font></strong>;
<a name="line355">355: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGSetMmax.html">KSPPIPEFCGSetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line356">356: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGGetMmax.html">KSPPIPEFCGGetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line357">357: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGSetNprealloc.html">KSPPIPEFCGSetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line358">358: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGGetNprealloc.html">KSPPIPEFCGGetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line359">359: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGSetTruncationType.html">KSPPIPEFCGSetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a>)</font></strong>;
<a name="line360">360: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFCGGetTruncationType.html">KSPPIPEFCGGetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a> *)</font></strong>;
<a name="line362">362: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRSetMmax.html">KSPPIPEGCRSetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line363">363: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRGetMmax.html">KSPPIPEGCRGetMmax</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line364">364: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRSetNprealloc.html">KSPPIPEGCRSetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line365">365: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRGetNprealloc.html">KSPPIPEGCRGetNprealloc</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line366">366: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRSetTruncationType.html">KSPPIPEGCRSetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a>)</font></strong>;
<a name="line367">367: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRGetTruncationType.html">KSPPIPEGCRGetTruncationType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFCDTruncationType.html">KSPFCDTruncationType</a> *)</font></strong>;
<a name="line368">368: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRSetUnrollW.html">KSPPIPEGCRSetUnrollW</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line369">369: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRGetUnrollW.html">KSPPIPEGCRGetUnrollW</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line371">371: </a><font color="#B22222">/*S</font>
<a name="line372">372: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> - A prototype of a function used to modify the preconditioner during the use of flexible `<a href="../manualpages/KSP/KSP.html">KSP</a>` methods, such as `<a href="../manualpages/KSP/KSPFGMRES.html">KSPFGMRES</a>`</font>
<a name="line374">374: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line375">375: </a><font color="#B22222">+ ksp - the `<a href="../manualpages/KSP/KSP.html">KSP</a>` context being used.</font>
<a name="line376">376: </a><font color="#B22222">. total_its - the total number of iterations that have occurred.</font>
<a name="line377">377: </a><font color="#B22222">. local_its - the number of iterations since last restart if applicable</font>
<a name="line378">378: </a><font color="#B22222">. res_norm - the current residual norm</font>
<a name="line379">379: </a><font color="#B22222">- ctx - optional context variable set with `<a href="../manualpages/KSP/KSPFlexibleSetModifyPC.html">KSPFlexibleSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPPIPEGCRSetModifyPC.html">KSPPIPEGCRSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPGCRSetModifyPC.html">KSPGCRSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPFGMRESSetModifyPC.html">KSPFGMRESSetModifyPC</a>()`</font>
<a name="line381">381: </a><font color="#B22222"> Level: beginner</font>
<a name="line383">383: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPFlexibleSetModifyPC.html">KSPFlexibleSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPPIPEGCRSetModifyPC.html">KSPPIPEGCRSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPGCRSetModifyPC.html">KSPGCRSetModifyPC</a>()`, `<a href="../manualpages/KSP/KSPFGMRESSetModifyPC.html">KSPFGMRESSetModifyPC</a>()`</font>
<a name="line384">384: </a><font color="#B22222">S*/</font>
<a name="line385">385: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> total_its, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> local_its, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> res_norm, void *ctx)</font></strong>;
<a name="line387">387: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFlexibleSetModifyPC.html">KSPFlexibleSetModifyPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line388">388: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEGCRSetModifyPC.html">KSPPIPEGCRSetModifyPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line390">390: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetRestart.html">KSPGMRESSetRestart</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line391">391: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESGetRestart.html">KSPGMRESGetRestart</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line392">392: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetHapTol.html">KSPGMRESSetHapTol</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line393">393: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetBreakdownTolerance.html">KSPGMRESSetBreakdownTolerance</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line395">395: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetPreAllocateVectors.html">KSPGMRESSetPreAllocateVectors</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line396">396: </a><strong><font color="#4169E1"><a name="KSPGMRESSetOrthogonalization"></a>PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetOrthogonalization.html">KSPGMRESSetOrthogonalization</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> (*)(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>);
<a name="line397">397: </a><strong><font color="#4169E1"><a name="KSPGMRESGetOrthogonalization"></a>PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESGetOrthogonalization.html">KSPGMRESGetOrthogonalization</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> (**)(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>);
<a name="line398">398: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESModifiedGramSchmidtOrthogonalization.html">KSPGMRESModifiedGramSchmidtOrthogonalization</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line399">399: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESClassicalGramSchmidtOrthogonalization.html">KSPGMRESClassicalGramSchmidtOrthogonalization</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line401">401: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLGMRESSetAugDim.html">KSPLGMRESSetAugDim</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line402">402: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLGMRESSetConstant.html">KSPLGMRESSetConstant</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line404">404: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPIPEFGMRESSetShift.html">KSPPIPEFGMRESSetShift</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>)</font></strong>;
<a name="line406">406: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGCRSetRestart.html">KSPGCRSetRestart</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line407">407: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGCRGetRestart.html">KSPGCRGetRestart</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line408">408: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGCRSetModifyPC.html">KSPGCRSetModifyPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line410">410: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMINRESSetRadius.html">KSPMINRESSetRadius</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line411">411: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMINRESGetUseQLP.html">KSPMINRESGetUseQLP</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line412">412: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMINRESSetUseQLP.html">KSPMINRESSetUseQLP</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line414">414: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFETIDPGetInnerBDDC.html">KSPFETIDPGetInnerBDDC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PC.html">PC</a> *)</font></strong>;
<a name="line415">415: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFETIDPSetInnerBDDC.html">KSPFETIDPSetInnerBDDC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/PC/PC.html">PC</a>)</font></strong>;
<a name="line416">416: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFETIDPGetInnerKSP.html">KSPFETIDPGetInnerKSP</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line417">417: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFETIDPSetPressureOperator.html">KSPFETIDPSetPressureOperator</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line419">419: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPHPDDMSetDeflationMat.html">KSPHPDDMSetDeflationMat</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line420">420: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPHPDDMGetDeflationMat.html">KSPHPDDMGetDeflationMat</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line421">421: </a><font color="#A020F0">#if <a href="../manualpages/Sys/PetscDefined.html">PetscDefined</a>(HAVE_HPDDM)</font>
<a name="line422">422: </a>PETSC_DEPRECATED_FUNCTION(3, 18, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPHPDDMSetDeflationMat.html">KSPHPDDMSetDeflationMat</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPHPDDMSetDeflationSpace(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Mat/Mat.html">Mat</a> U)
<a name="line423">423: </a>{
<a name="line424">424: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPHPDDMSetDeflationMat.html">KSPHPDDMSetDeflationMat</a>(ksp, U);
<a name="line425">425: </a>}
<a name="line426">426: </a>PETSC_DEPRECATED_FUNCTION(3, 18, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPHPDDMGetDeflationMat.html">KSPHPDDMGetDeflationMat</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPHPDDMGetDeflationSpace(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Mat/Mat.html">Mat</a> *U)
<a name="line427">427: </a>{
<a name="line428">428: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPHPDDMGetDeflationMat.html">KSPHPDDMGetDeflationMat</a>(ksp, U);
<a name="line429">429: </a>}
<a name="line430">430: </a><font color="#A020F0">#endif</font>
<a name="line431">431: </a>PETSC_DEPRECATED_FUNCTION(3, 14, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPMatSolve.html">KSPMatSolve</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPHPDDMMatSolve(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Mat/Mat.html">Mat</a> B, <a href="../manualpages/Mat/Mat.html">Mat</a> X)
<a name="line432">432: </a>{
<a name="line433">433: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMatSolve.html">KSPMatSolve</a>(ksp, B, X);
<a name="line434">434: </a>}
<a name="line435">435: </a><font color="#B22222">/*E</font>
<a name="line436">436: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPHPDDMType.html">KSPHPDDMType</a> - Type of Krylov method used by `<a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a>`</font>
<a name="line438">438: </a><font color="#B22222"> Values:</font>
<a name="line439">439: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_GMRES</a>` (default) - Generalized Minimal Residual method</font>
<a name="line440">440: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BGMRES</a>` - block GMRES</font>
<a name="line441">441: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_CG</a>` - Conjugate Gradient</font>
<a name="line442">442: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BCG</a>` - block CG</font>
<a name="line443">443: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_GCRODR</a>` - Generalized Conjugate Residual method with inner Orthogonalization and Deflated Restarting</font>
<a name="line444">444: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BGCRODR</a>` - block GCRODR</font>
<a name="line445">445: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BFBCG</a>` - breakdown-free BCG</font>
<a name="line446">446: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_PREONLY</a>` - apply the preconditioner only</font>
<a name="line448">448: </a><font color="#B22222"> Level: intermediate</font>
<a name="line450">450: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a>`, `<a href="../manualpages/KSP/KSPHPDDMSetType.html">KSPHPDDMSetType</a>()`</font>
<a name="line451">451: </a><font color="#B22222">E*/</font>
<a name="line452">452: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line453">453: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_GMRES</a> = 0,
<a name="line454">454: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BGMRES</a> = 1,
<a name="line455">455: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_CG</a> = 2,
<a name="line456">456: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BCG</a> = 3,
<a name="line457">457: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_GCRODR</a> = 4,
<a name="line458">458: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BGCRODR</a> = 5,
<a name="line459">459: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_BFBCG</a> = 6,
<a name="line460">460: </a> <a href="../manualpages/KSP/KSPHPDDMType.html">KSP_HPDDM_TYPE_PREONLY</a> = 7
<a name="line461">461: </a>} <a href="../manualpages/KSP/KSPHPDDMType.html">KSPHPDDMType</a>;
<a name="line462">462: </a>PETSC_EXTERN const char *const KSPHPDDMTypes[];
<a name="line464">464: </a><font color="#B22222">/*E</font>
<a name="line465">465: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSPHPDDMPrecision</a> - Precision of Krylov bases used by `<a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a>`</font>
<a name="line467">467: </a><font color="#B22222"> Values:</font>
<a name="line468">468: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_HALF</a>` - default when PETSc is configured `--with-precision=__fp16`</font>
<a name="line469">469: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_SINGLE</a>` - default when PETSc is configured `--with-precision=single`</font>
<a name="line470">470: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_DOUBLE</a>` - default when PETSc is configured `--with-precision=double`</font>
<a name="line471">471: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_QUADRUPLE</a>` - default when PETSc is configured `--with-precision=__float128`</font>
<a name="line473">473: </a><font color="#B22222"> Level: intermediate</font>
<a name="line475">475: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a>`</font>
<a name="line476">476: </a><font color="#B22222">E*/</font>
<a name="line477">477: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line478">478: </a> <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_HALF</a> = 0,
<a name="line479">479: </a> <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_SINGLE</a> = 1,
<a name="line480">480: </a> <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_DOUBLE</a> = 2,
<a name="line481">481: </a> <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSP_HPDDM_PRECISION_QUADRUPLE</a> = 3
<a name="line482">482: </a>} <a href="../manualpages/KSP/KSPHPDDMPrecision.html">KSPHPDDMPrecision</a>;
<a name="line483">483: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPHPDDMSetType.html">KSPHPDDMSetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPHPDDMType.html">KSPHPDDMType</a>)</font></strong>;
<a name="line484">484: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPHPDDMGetType.html">KSPHPDDMGetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPHPDDMType.html">KSPHPDDMType</a> *)</font></strong>;
<a name="line486">486: </a><font color="#B22222">/*E</font>
<a name="line487">487: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a> - How the classical (unmodified) Gram-Schmidt is performed in the GMRES solvers</font>
<a name="line489">489: </a><font color="#B22222"> Values:</font>
<a name="line490">490: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a>` - one step of classical Gram-Schmidt</font>
<a name="line491">491: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a>` - a second step is performed if the first step does not satisfy some criteria</font>
<a name="line492">492: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a>` - always perform two steps</font>
<a name="line494">494: </a><font color="#B22222"> Level: advanced</font>
<a name="line496">496: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`, `<a href="../manualpages/KSP/KSPGMRESClassicalGramSchmidtOrthogonalization.html">KSPGMRESClassicalGramSchmidtOrthogonalization</a>()`, `<a href="../manualpages/KSP/KSPGMRESSetOrthogonalization.html">KSPGMRESSetOrthogonalization</a>()`,</font>
<a name="line497">497: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESGetOrthogonalization.html">KSPGMRESGetOrthogonalization</a>()`,</font>
<a name="line498">498: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESSetCGSRefinementType.html">KSPGMRESSetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSPGMRESGetCGSRefinementType.html">KSPGMRESGetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSPGMRESModifiedGramSchmidtOrthogonalization.html">KSPGMRESModifiedGramSchmidtOrthogonalization</a>()`</font>
<a name="line499">499: </a><font color="#B22222">E*/</font>
<a name="line500">500: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line501">501: </a> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a>,
<a name="line502">502: </a> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a>,
<a name="line503">503: </a> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a>
<a name="line504">504: </a>} <a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a>;
<a name="line505">505: </a>PETSC_EXTERN const char *const KSPGMRESCGSRefinementTypes[];
<a name="line507">507: </a><font color="#B22222">/*MC</font>
<a name="line508">508: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a> - Do the classical (unmodified) Gram-Schmidt process</font>
<a name="line510">510: </a><font color="#B22222"> Level: advanced</font>
<a name="line512">512: </a><font color="#B22222"> Note:</font>
<a name="line513">513: </a><font color="#B22222"> Possibly unstable, but the fastest to compute</font>
<a name="line515">515: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`, `<a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a>`, `<a href="../manualpages/KSP/KSPGMRESClassicalGramSchmidtOrthogonalization.html">KSPGMRESClassicalGramSchmidtOrthogonalization</a>()`, `<a href="../manualpages/KSP/KSPGMRESSetOrthogonalization.html">KSPGMRESSetOrthogonalization</a>()`,</font>
<a name="line516">516: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPGMRESGetOrthogonalization.html">KSPGMRESGetOrthogonalization</a>()`,</font>
<a name="line517">517: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESSetCGSRefinementType.html">KSPGMRESSetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSPGMRESGetCGSRefinementType.html">KSPGMRESGetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a>`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a>`,</font>
<a name="line518">518: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESModifiedGramSchmidtOrthogonalization.html">KSPGMRESModifiedGramSchmidtOrthogonalization</a>()`</font>
<a name="line519">519: </a><font color="#B22222">M*/</font>
<a name="line521">521: </a><font color="#B22222">/*MC</font>
<a name="line522">522: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a> - Do the classical (unmodified) Gram-Schmidt process and one step of</font>
<a name="line523">523: </a><font color="#B22222"> iterative refinement if an estimate of the orthogonality of the resulting vectors indicates</font>
<a name="line524">524: </a><font color="#B22222"> poor orthogonality.</font>
<a name="line526">526: </a><font color="#B22222"> Level: advanced</font>
<a name="line528">528: </a><font color="#B22222"> Note:</font>
<a name="line529">529: </a><font color="#B22222"> This is slower than `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a>` because it requires an extra norm computation to</font>
<a name="line530">530: </a><font color="#B22222"> estimate the orthogonality but is more stable.</font>
<a name="line532">532: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`, `<a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a>`, `<a href="../manualpages/KSP/KSPGMRESClassicalGramSchmidtOrthogonalization.html">KSPGMRESClassicalGramSchmidtOrthogonalization</a>()`, `<a href="../manualpages/KSP/KSPGMRESSetOrthogonalization.html">KSPGMRESSetOrthogonalization</a>()`,</font>
<a name="line533">533: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPGMRESGetOrthogonalization.html">KSPGMRESGetOrthogonalization</a>()`,</font>
<a name="line534">534: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESSetCGSRefinementType.html">KSPGMRESSetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSPGMRESGetCGSRefinementType.html">KSPGMRESGetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a>`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a>`,</font>
<a name="line535">535: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESModifiedGramSchmidtOrthogonalization.html">KSPGMRESModifiedGramSchmidtOrthogonalization</a>()`</font>
<a name="line536">536: </a><font color="#B22222">M*/</font>
<a name="line538">538: </a><font color="#B22222">/*MC</font>
<a name="line539">539: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a> - Do two steps of the classical (unmodified) Gram-Schmidt process.</font>
<a name="line541">541: </a><font color="#B22222"> Level: advanced</font>
<a name="line543">543: </a><font color="#B22222"> Notes:</font>
<a name="line544">544: </a><font color="#B22222"> This is roughly twice the cost of `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_NEVER.html">KSP_GMRES_CGS_REFINE_NEVER</a>` because it performs the process twice</font>
<a name="line545">545: </a><font color="#B22222"> but it saves the extra norm calculation needed by `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a>`.</font>
<a name="line547">547: </a><font color="#B22222"> You should only use this if you absolutely know that the iterative refinement is needed.</font>
<a name="line549">549: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`, `<a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a>`, `<a href="../manualpages/KSP/KSPGMRESClassicalGramSchmidtOrthogonalization.html">KSPGMRESClassicalGramSchmidtOrthogonalization</a>()`, `<a href="../manualpages/KSP/KSPGMRESSetOrthogonalization.html">KSPGMRESSetOrthogonalization</a>()`,</font>
<a name="line550">550: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPGMRESGetOrthogonalization.html">KSPGMRESGetOrthogonalization</a>()`,</font>
<a name="line551">551: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESSetCGSRefinementType.html">KSPGMRESSetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSPGMRESGetCGSRefinementType.html">KSPGMRESGetCGSRefinementType</a>()`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_IFNEEDED.html">KSP_GMRES_CGS_REFINE_IFNEEDED</a>`, `<a href="../manualpages/KSP/KSP_GMRES_CGS_REFINE_ALWAYS.html">KSP_GMRES_CGS_REFINE_ALWAYS</a>`,</font>
<a name="line552">552: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPGMRESModifiedGramSchmidtOrthogonalization.html">KSPGMRESModifiedGramSchmidtOrthogonalization</a>()`</font>
<a name="line553">553: </a><font color="#B22222">M*/</font>
<a name="line555">555: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESSetCGSRefinementType.html">KSPGMRESSetCGSRefinementType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a>)</font></strong>;
<a name="line556">556: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESGetCGSRefinementType.html">KSPGMRESGetCGSRefinementType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPGMRESCGSRefinementType.html">KSPGMRESCGSRefinementType</a> *)</font></strong>;
<a name="line558">558: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> <a href="../manualpages/KSP/KSPFGMRESModifyPCNoChange.html">KSPFGMRESModifyPCNoChange</a>;
<a name="line559">559: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> <a href="../manualpages/KSP/KSPFGMRESModifyPCKSP.html">KSPFGMRESModifyPCKSP</a>;
<a name="line560">560: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPFGMRESSetModifyPC.html">KSPFGMRESSetModifyPC</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPFlexibleModifyPCFn.html">KSPFlexibleModifyPCFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line562">562: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPQCGSetTrustRegionRadius.html">KSPQCGSetTrustRegionRadius</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line563">563: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPQCGGetQuadratic.html">KSPQCGGetQuadratic</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line564">564: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPQCGGetTrialStepNorm.html">KSPQCGGetTrialStepNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line566">566: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBCGSLSetXRes.html">KSPBCGSLSetXRes</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line567">567: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBCGSLSetPol.html">KSPBCGSLSetPol</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line568">568: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBCGSLSetEll.html">KSPBCGSLSetEll</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line569">569: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPBCGSLSetUsePseudoinverse.html">KSPBCGSLSetUsePseudoinverse</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line571">571: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetFromOptions.html">KSPSetFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line572">572: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPResetFromOptions.html">KSPResetFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line574">574: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSetFromOptions.html">KSPMonitorSetFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char[], const char[], void *)</font></strong>;
<a name="line575">575: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorResidual.html">KSPMonitorResidual</a>;
<a name="line576">576: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorResidualView.html">KSPMonitorResidualView</a>;
<a name="line577">577: </a>PETSC_DEPRECATED_FUNCTION(3, 23, 0, <font color="#666666">"KSPMonitorResidualDraw()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorResidualDraw(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *vf)
<a name="line578">578: </a>{
<a name="line579">579: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMonitorResidualView.html">KSPMonitorResidualView</a>(ksp, n, rnorm, vf);
<a name="line580">580: </a>}
<a name="line581">581: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorResidualDrawLG.html">KSPMonitorResidualDrawLG</a>;
<a name="line582">582: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorResidualDrawLGCreate.html">KSPMonitorResidualDrawLGCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line583">583: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> KSPMonitorResidualShort;
<a name="line584">584: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorResidualRange.html">KSPMonitorResidualRange</a>;
<a name="line585">585: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorTrueResidual.html">KSPMonitorTrueResidual</a>;
<a name="line586">586: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorTrueResidualView.html">KSPMonitorTrueResidualView</a>;
<a name="line587">587: </a>PETSC_DEPRECATED_FUNCTION(3, 23, 0, <font color="#666666">"KSPMonitorTrueResidualDraw()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorTrueResidualDraw(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *vf)
<a name="line588">588: </a>{
<a name="line589">589: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMonitorTrueResidualView.html">KSPMonitorTrueResidualView</a>(ksp, n, rnorm, vf);
<a name="line590">590: </a>}
<a name="line591">591: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorTrueResidualDrawLG.html">KSPMonitorTrueResidualDrawLG</a>;
<a name="line592">592: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorTrueResidualDrawLGCreate.html">KSPMonitorTrueResidualDrawLGCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line593">593: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorTrueResidualMax.html">KSPMonitorTrueResidualMax</a>;
<a name="line594">594: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorError.html">KSPMonitorError</a>;
<a name="line595">595: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorErrorDraw.html">KSPMonitorErrorDraw</a>;
<a name="line596">596: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorErrorDrawLG.html">KSPMonitorErrorDrawLG</a>;
<a name="line597">597: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorErrorDrawLGCreate.html">KSPMonitorErrorDrawLGCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line598">598: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorSolution.html">KSPMonitorSolution</a>;
<a name="line599">599: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorSolutionDraw.html">KSPMonitorSolutionDraw</a>;
<a name="line600">600: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorSolutionDrawLG.html">KSPMonitorSolutionDrawLG</a>;
<a name="line601">601: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSolutionDrawLGCreate.html">KSPMonitorSolutionDrawLGCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line602">602: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPMonitorSingularValue.html">KSPMonitorSingularValue</a>;
<a name="line603">603: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSingularValueCreate.html">KSPMonitorSingularValueCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line604">604: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPMonitorResidual.html">KSPMonitorResidual</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorDefault(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *vf)
<a name="line605">605: </a>{
<a name="line606">606: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMonitorResidual.html">KSPMonitorResidual</a>(ksp, n, rnorm, vf);
<a name="line607">607: </a>}
<a name="line608">608: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPMonitorTrueResidual.html">KSPMonitorTrueResidual</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorTrueResidualNorm(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *vf)
<a name="line609">609: </a>{
<a name="line610">610: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMonitorTrueResidual.html">KSPMonitorTrueResidual</a>(ksp, n, rnorm, vf);
<a name="line611">611: </a>}
<a name="line612">612: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPMonitorTrueResidualMax.html">KSPMonitorTrueResidualMax</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorTrueResidualMaxNorm(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> n, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, PetscViewerAndFormat *vf)
<a name="line613">613: </a>{
<a name="line614">614: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPMonitorTrueResidualMax.html">KSPMonitorTrueResidualMax</a>(ksp, n, rnorm, vf);
<a name="line615">615: </a>}
<a name="line617">617: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGMRESMonitorKrylov.html">KSPGMRESMonitorKrylov</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, void *)</font></strong>;
<a name="line618">618: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorDynamicTolerance.html">KSPMonitorDynamicTolerance</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, void *)</font></strong>;
<a name="line619">619: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorDynamicToleranceDestroy.html">KSPMonitorDynamicToleranceDestroy</a>(void **)</font></strong>;
<a name="line620">620: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorDynamicToleranceCreate.html">KSPMonitorDynamicToleranceCreate</a>(void *)</font></strong>;
<a name="line621">621: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorDynamicToleranceSetCoefficient.html">KSPMonitorDynamicToleranceSetCoefficient</a>(void *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line622">622: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSAWs.html">KSPMonitorSAWs</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, void *)</font></strong>;
<a name="line623">623: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSAWsCreate.html">KSPMonitorSAWsCreate</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, void **)</font></strong>;
<a name="line624">624: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPMonitorSAWsDestroy.html">KSPMonitorSAWsDestroy</a>(void **)</font></strong>;
<a name="line626">626: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPUnwindPreconditioner.html">KSPUnwindPreconditioner</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line627">627: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPInitialResidual.html">KSPInitialResidual</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line629">629: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetOperators.html">KSPSetOperators</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line630">630: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetOperators.html">KSPGetOperators</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line631">631: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetOperatorsSet.html">KSPGetOperatorsSet</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line632">632: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetOptionsPrefix.html">KSPSetOptionsPrefix</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char[])</font></strong>;
<a name="line633">633: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPAppendOptionsPrefix.html">KSPAppendOptionsPrefix</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char[])</font></strong>;
<a name="line634">634: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetOptionsPrefix.html">KSPGetOptionsPrefix</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char *[])</font></strong>;
<a name="line636">636: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetDiagonalScale.html">KSPSetDiagonalScale</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line637">637: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetDiagonalScale.html">KSPGetDiagonalScale</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line638">638: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetDiagonalScaleFix.html">KSPSetDiagonalScaleFix</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line639">639: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetDiagonalScaleFix.html">KSPGetDiagonalScaleFix</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line641">641: </a><font color="#B22222">/*S</font>
<a name="line642">642: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPConvergedReasonViewFn.html">KSPConvergedReasonViewFn</a> - A prototype of a function used with `<a href="../manualpages/KSP/KSPConvergedReasonViewSet.html">KSPConvergedReasonViewSet</a>()`</font>
<a name="line644">644: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line645">645: </a><font color="#B22222">+ ksp - the `<a href="../manualpages/KSP/KSP.html">KSP</a>` object whose `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>` is to be viewed</font>
<a name="line646">646: </a><font color="#B22222">- ctx - context used by the function, set with `<a href="../manualpages/KSP/KSPConvergedReasonViewSet.html">KSPConvergedReasonViewSet</a>()`</font>
<a name="line648">648: </a><font color="#B22222"> Level: beginner</font>
<a name="line650">650: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPConvergedReasonView.html">KSPConvergedReasonView</a>()`, `<a href="../manualpages/KSP/KSPConvergedReasonViewSet.html">KSPConvergedReasonViewSet</a>()`, `<a href="../manualpages/KSP/KSPConvergedReasonViewFromOptions.html">KSPConvergedReasonViewFromOptions</a>()`, `<a href="../manualpages/KSP/KSPView.html">KSPView</a>()`</font>
<a name="line651">651: </a><font color="#B22222">S*/</font>
<a name="line652">652: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedReasonViewFn.html">KSPConvergedReasonViewFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, void *ctx)</font></strong>;
<a name="line654">654: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPView.html">KSPView</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>)</font></strong>;
<a name="line655">655: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLoad.html">KSPLoad</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>)</font></strong>;
<a name="line656">656: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPViewFromOptions.html">KSPViewFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscObject.html">PetscObject</a>, const char[])</font></strong>;
<a name="line657">657: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedReasonView.html">KSPConvergedReasonView</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>)</font></strong>;
<a name="line658">658: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedReasonViewSet.html">KSPConvergedReasonViewSet</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPConvergedReasonViewFn.html">KSPConvergedReasonViewFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line659">659: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedReasonViewFromOptions.html">KSPConvergedReasonViewFromOptions</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line660">660: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedReasonViewCancel.html">KSPConvergedReasonViewCancel</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line661">661: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedRateView.html">KSPConvergedRateView</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>)</font></strong>;
<a name="line663">663: </a>PETSC_DEPRECATED_FUNCTION(3, 14, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReasonView.html">KSPConvergedReasonView</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPReasonView(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a> v)
<a name="line664">664: </a>{
<a name="line665">665: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPConvergedReasonView.html">KSPConvergedReasonView</a>(ksp, v);
<a name="line666">666: </a>}
<a name="line667">667: </a>PETSC_DEPRECATED_FUNCTION(3, 14, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReasonViewFromOptions.html">KSPConvergedReasonViewFromOptions</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPReasonViewFromOptions(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp)
<a name="line668">668: </a>{
<a name="line669">669: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPConvergedReasonViewFromOptions.html">KSPConvergedReasonViewFromOptions</a>(ksp);
<a name="line670">670: </a>}
<a name="line672">672: </a><strong><font color="#228B22">#define KSP_FILE_CLASSID 1211223</font></strong>
<a name="line674">674: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLSQRSetExactMatNorm.html">KSPLSQRSetExactMatNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line675">675: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLSQRSetComputeStandardErrorVec.html">KSPLSQRSetComputeStandardErrorVec</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line676">676: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLSQRGetStandardErrorVec.html">KSPLSQRGetStandardErrorVec</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line677">677: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLSQRGetNorms.html">KSPLSQRGetNorms</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line678">678: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPLSQRMonitorResidual.html">KSPLSQRMonitorResidual</a>;
<a name="line679">679: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPMonitorRegisterFn.html">KSPMonitorRegisterFn</a> <a href="../manualpages/KSP/KSPLSQRMonitorResidualDrawLG.html">KSPLSQRMonitorResidualDrawLG</a>;
<a name="line680">680: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPLSQRMonitorResidualDrawLGCreate.html">KSPLSQRMonitorResidualDrawLGCreate</a>(<a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>, <a href="../manualpages/Viewer/PetscViewerFormat.html">PetscViewerFormat</a>, void *, PetscViewerAndFormat **)</font></strong>;
<a name="line682">682: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCRedundantGetKSP.html">PCRedundantGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line683">683: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCRedistributeGetKSP.html">PCRedistributeGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line684">684: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCTelescopeGetKSP.html">PCTelescopeGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line685">685: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCMPIGetKSP.html">PCMPIGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line687">687: </a><font color="#B22222">/*E</font>
<a name="line688">688: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a> - Norm calculated by the `<a href="../manualpages/KSP/KSP.html">KSP</a>` and passed in the Krylov convergence</font>
<a name="line689">689: </a><font color="#B22222"> test routines.</font>
<a name="line691">691: </a><font color="#B22222"> Values:</font>
<a name="line692">692: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPNormType.html">KSP_NORM_DEFAULT</a>` - use the default for the current `<a href="../manualpages/KSP/KSPType.html">KSPType</a>`</font>
<a name="line693">693: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a>` - use no norm calculation</font>
<a name="line694">694: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a>` - use the preconditioned residual norm</font>
<a name="line695">695: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a>` - use the unpreconditioned residual norm</font>
<a name="line696">696: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a>` - use the natural norm (the norm induced by the linear operator)</font>
<a name="line698">698: </a><font color="#B22222"> Level: advanced</font>
<a name="line700">700: </a><font color="#B22222"> Note:</font>
<a name="line701">701: </a><font color="#B22222"> Each solver only supports a subset of these and some may support different ones</font>
<a name="line702">702: </a><font color="#B22222"> depending on whether left or right preconditioning is used, see `<a href="../manualpages/KSP/KSPSetPCSide.html">KSPSetPCSide</a>()`</font>
<a name="line704">704: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/PC/PCSide.html">PCSide</a>`, `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()`,</font>
<a name="line705">705: </a><font color="#B22222"> `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`, `<a href="../manualpages/KSP/KSPSetPCSide.html">KSPSetPCSide</a>()`, `<a href="../manualpages/KSP/KSPNormType.html">KSP_NORM_DEFAULT</a>`, `<a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a>`, `<a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a>`</font>
<a name="line706">706: </a><font color="#B22222">E*/</font>
<a name="line707">707: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line708">708: </a> <a href="../manualpages/KSP/KSPNormType.html">KSP_NORM_DEFAULT</a> = -1,
<a name="line709">709: </a> <a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a> = 0,
<a name="line710">710: </a> <a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a> = 1,
<a name="line711">711: </a> <a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a> = 2,
<a name="line712">712: </a> <a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a> = 3
<a name="line713">713: </a>} <a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>;
<a name="line714">714: </a><strong><font color="#228B22">#define KSP_NORM_MAX (<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a> + 1)</font></strong>
<a name="line715">715: </a>PETSC_EXTERN const char *const *const KSPNormTypes;
<a name="line717">717: </a><font color="#B22222">/*MC</font>
<a name="line718">718: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a> - Do not compute a norm during the Krylov process. This will</font>
<a name="line719">719: </a><font color="#B22222"> possibly save some computation but means the convergence test cannot</font>
<a name="line720">720: </a><font color="#B22222"> be based on a norm of a residual etc.</font>
<a name="line722">722: </a><font color="#B22222"> Level: advanced</font>
<a name="line724">724: </a><font color="#B22222"> Note:</font>
<a name="line725">725: </a><font color="#B22222"> Some Krylov methods need to compute a residual norm (such as `KPSGMRES`) and then this option is ignored</font>
<a name="line727">727: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()`, `<a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a>`</font>
<a name="line728">728: </a><font color="#B22222">M*/</font>
<a name="line730">730: </a><font color="#B22222">/*MC</font>
<a name="line731">731: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a> - Compute the norm of the preconditioned residual B*(b - A*x), if left preconditioning, and pass that to the</font>
<a name="line732">732: </a><font color="#B22222"> convergence test routine.</font>
<a name="line734">734: </a><font color="#B22222"> Level: advanced</font>
<a name="line736">736: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()`, `<a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a>`, `<a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a>`, `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`</font>
<a name="line737">737: </a><font color="#B22222">M*/</font>
<a name="line739">739: </a><font color="#B22222">/*MC</font>
<a name="line740">740: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a> - Compute the norm of the true residual (b - A*x) and pass that to the</font>
<a name="line741">741: </a><font color="#B22222"> convergence test routine.</font>
<a name="line743">743: </a><font color="#B22222"> Level: advanced</font>
<a name="line745">745: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()`, `<a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a>`, `<a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a>`, `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`</font>
<a name="line746">746: </a><font color="#B22222">M*/</font>
<a name="line748">748: </a><font color="#B22222">/*MC</font>
<a name="line749">749: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_NORM_NATURAL.html">KSP_NORM_NATURAL</a> - Compute the 'natural norm' of residual sqrt((b - A*x)*B*(b - A*x)) and pass that to the</font>
<a name="line750">750: </a><font color="#B22222"> convergence test routine. This is only supported by `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`, `<a href="../manualpages/KSP/KSPCR.html">KSPCR</a>`, `<a href="../manualpages/KSP/KSPCGNE.html">KSPCGNE</a>`, `<a href="../manualpages/KSP/KSPCGS.html">KSPCGS</a>`, `<a href="../manualpages/KSP/KSPFCG.html">KSPFCG</a>`, `<a href="../manualpages/KSP/KSPPIPEFCG.html">KSPPIPEFCG</a>`, `<a href="../manualpages/KSP/KSPPIPEGCR.html">KSPPIPEGCR</a>`</font>
<a name="line752">752: </a><font color="#B22222"> Level: advanced</font>
<a name="line754">754: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()`, `<a href="../manualpages/KSP/KSP_NORM_NONE.html">KSP_NORM_NONE</a>`, `<a href="../manualpages/KSP/KSP_NORM_PRECONDITIONED.html">KSP_NORM_PRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSP_NORM_UNPRECONDITIONED.html">KSP_NORM_UNPRECONDITIONED</a>`, `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`</font>
<a name="line755">755: </a><font color="#B22222">M*/</font>
<a name="line757">757: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>)</font></strong>;
<a name="line758">758: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetNormType.html">KSPGetNormType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a> *)</font></strong>;
<a name="line759">759: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetSupportedNorm.html">KSPSetSupportedNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>, <a href="../manualpages/PC/PCSide.html">PCSide</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line760">760: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetCheckNormIteration.html">KSPSetCheckNormIteration</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line761">761: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetLagNorm.html">KSPSetLagNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line763">763: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_CG_NEG_CURVE_DEPRECATED</a> KSP_CONVERGED_CG_NEG_CURVE PETSC_DEPRECATED_ENUM(3, 19, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_NEG_CURVE</a>"</font><font color="#228B22">, )</font></strong>
<a name="line764">764: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_CG_CONSTRAINED_DEPRECATED</a> KSP_CONVERGED_CG_CONSTRAINED PETSC_DEPRECATED_ENUM(3, 19, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_STEP_LENGTH</a>"</font><font color="#228B22">, )</font></strong>
<a name="line765">765: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_RTOL_NORMAL_DEPRECATED</a> KSP_CONVERGED_RTOL_NORMAL PETSC_DEPRECATED_ENUM(3, 24, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_RTOL_NORMAL_EQUATIONS</a>"</font><font color="#228B22">, )</font></strong>
<a name="line766">766: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_ATOL_NORMAL_DEPRECATED</a> KSP_CONVERGED_ATOL_NORMAL PETSC_DEPRECATED_ENUM(3, 24, 0, </font><font color="#666666">"<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_ATOL_NORMAL_EQUATIONS</a>"</font><font color="#228B22">, )</font></strong>
<a name="line767">767: </a><font color="#B22222">/*E</font>
<a name="line768">768: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a> - reason a Krylov method was determined to have converged or diverged</font>
<a name="line770">770: </a><font color="#B22222"> Values:</font>
<a name="line771">771: </a><font color="#B22222">+ `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_RTOL_NORMAL_EQUATIONS</a>` - requested decrease in the residual of the normal equations, for `<a href="../manualpages/KSP/KSPLSQR.html">KSPLSQR</a>`</font>
<a name="line772">772: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_ATOL_NORMAL_EQUATIONS</a>` - requested absolute value in the residual of the normal equations, for `<a href="../manualpages/KSP/KSPLSQR.html">KSPLSQR</a>`</font>
<a name="line773">773: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a>` - requested decrease in the residual</font>
<a name="line774">774: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a>` - requested absolute value in the residual</font>
<a name="line775">775: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_CONVERGED_ITS.html">KSP_CONVERGED_ITS</a>` - requested number of iterations</font>
<a name="line776">776: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_NEG_CURVE</a>` - see note below</font>
<a name="line777">777: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_STEP_LENGTH</a>` - see note below</font>
<a name="line778">778: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_HAPPY_BREAKDOWN</a>` - happy breakdown (meaning early convergence of the `<a href="../manualpages/KSP/KSPType.html">KSPType</a>` occurred).</font>
<a name="line779">779: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_USER</a>` - the user has indicated convergence for an arbitrary reason</font>
<a name="line780">780: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_NULL</a>` - breakdown when solving the Hessenberg system within `<a href="../manualpages/KSP/KSPGMRES.html">KSPGMRES</a>`</font>
<a name="line781">781: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_ITS.html">KSP_DIVERGED_ITS</a>` - requested number of iterations</font>
<a name="line782">782: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_DTOL.html">KSP_DIVERGED_DTOL</a>` - large increase in the residual norm indicating the solution is diverging</font>
<a name="line783">783: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN.html">KSP_DIVERGED_BREAKDOWN</a>` - breakdown in the Krylov method</font>
<a name="line784">784: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN_BICG.html">KSP_DIVERGED_BREAKDOWN_BICG</a>` - breakdown in the `<a href="../manualpages/KSP/KSPBCGS.html">KSPBCGS</a>` Krylov method</font>
<a name="line785">785: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_NONSYMMETRIC.html">KSP_DIVERGED_NONSYMMETRIC</a>` - the operator or preonditioner was not symmetric for a `<a href="../manualpages/KSP/KSPType.html">KSPType</a>` that requires symmetry</font>
<a name="line786">786: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_INDEFINITE_PC.html">KSP_DIVERGED_INDEFINITE_PC</a>` - the preconditioner was indefinite for a `<a href="../manualpages/KSP/KSPType.html">KSPType</a>` that requires it be definite, such as `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`</font>
<a name="line787">787: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_NANORINF</a>` - a not a number of infinity was detected in a vector during the computation</font>
<a name="line788">788: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_INDEFINITE_MAT</a>` - the operator was indefinite for a `<a href="../manualpages/KSP/KSPType.html">KSPType</a>` that requires it be definite, such as `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`</font>
<a name="line789">789: </a><font color="#B22222">. `<a href="../manualpages/KSP/KSP_DIVERGED_PC_FAILED.html">KSP_DIVERGED_PC_FAILED</a>` - the action of the preconditioner failed for some reason</font>
<a name="line790">790: </a><font color="#B22222">- `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_USER</a>` - the user has indicated divergence for an arbitrary reason</font>
<a name="line792">792: </a><font color="#B22222"> Level: beginner</font>
<a name="line794">794: </a><font color="#B22222"> Note:</font>
<a name="line795">795: </a><font color="#B22222"> The values `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_NEG_CURVE</a>`, and `<a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_STEP_LENGTH</a>` are returned only by `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`, `<a href="../manualpages/KSP/KSPMINRES.html">KSPMINRES</a>` and by</font>
<a name="line796">796: </a><font color="#B22222"> the special `<a href="../manualpages/KSP/KSPNASH.html">KSPNASH</a>`, `<a href="../manualpages/KSP/KSPSTCG.html">KSPSTCG</a>`, and `<a href="../manualpages/KSP/KSPGLTR.html">KSPGLTR</a>` solvers which are used by the `<a href="../manualpages/SNES/SNESNEWTONTR.html">SNESNEWTONTR</a>` (trust region) solver.</font>
<a name="line798">798: </a><font color="#B22222"> Developer Note:</font>
<a name="line799">799: </a><font color="#B22222"> The string versions of these are `KSPConvergedReasons`; if you change</font>
<a name="line800">800: </a><font color="#B22222"> any of the values here also change them that array of names.</font>
<a name="line802">802: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`, `<a href="../manualpages/KSP/KSPConvergedReasonView.html">KSPConvergedReasonView</a>()`</font>
<a name="line803">803: </a><font color="#B22222">E*/</font>
<a name="line804">804: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> { <font color="#B22222">/* converged */</font>
<a name="line805">805: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_RTOL_NORMAL_DEPRECATED</a> = 1,
<a name="line806">806: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_RTOL_NORMAL_EQUATIONS</a> = 1,
<a name="line807">807: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_ATOL_NORMAL_DEPRECATED</a> = 9,
<a name="line808">808: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_ATOL_NORMAL_EQUATIONS</a> = 9,
<a name="line809">809: </a> <a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a> = 2,
<a name="line810">810: </a> <a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a> = 3,
<a name="line811">811: </a> <a href="../manualpages/KSP/KSP_CONVERGED_ITS.html">KSP_CONVERGED_ITS</a> = 4,
<a name="line812">812: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_NEG_CURVE</a> = 5,
<a name="line813">813: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_CG_NEG_CURVE_DEPRECATED</a> = 5,
<a name="line814">814: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_CG_CONSTRAINED_DEPRECATED</a> = 6,
<a name="line815">815: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_STEP_LENGTH</a> = 6,
<a name="line816">816: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_HAPPY_BREAKDOWN</a> = 7,
<a name="line817">817: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_CONVERGED_USER</a> = 8,
<a name="line818">818: </a> <font color="#B22222">/* diverged */</font>
<a name="line819">819: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_NULL</a> = -2,
<a name="line820">820: </a> <a href="../manualpages/KSP/KSP_DIVERGED_ITS.html">KSP_DIVERGED_ITS</a> = -3,
<a name="line821">821: </a> <a href="../manualpages/KSP/KSP_DIVERGED_DTOL.html">KSP_DIVERGED_DTOL</a> = -4,
<a name="line822">822: </a> <a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN.html">KSP_DIVERGED_BREAKDOWN</a> = -5,
<a name="line823">823: </a> <a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN_BICG.html">KSP_DIVERGED_BREAKDOWN_BICG</a> = -6,
<a name="line824">824: </a> <a href="../manualpages/KSP/KSP_DIVERGED_NONSYMMETRIC.html">KSP_DIVERGED_NONSYMMETRIC</a> = -7,
<a name="line825">825: </a> <a href="../manualpages/KSP/KSP_DIVERGED_INDEFINITE_PC.html">KSP_DIVERGED_INDEFINITE_PC</a> = -8,
<a name="line826">826: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_NANORINF</a> = -9,
<a name="line827">827: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_INDEFINITE_MAT</a> = -10,
<a name="line828">828: </a> <a href="../manualpages/KSP/KSP_DIVERGED_PC_FAILED.html">KSP_DIVERGED_PC_FAILED</a> = -11,
<a name="line829">829: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_PCSETUP_FAILED_DEPRECATED</a> = -11,
<a name="line830">830: </a> <a href="../manualpages/KSP/KSPConvergedReason.html">KSP_DIVERGED_USER</a> = -12,
<a name="line832">832: </a> <a href="../manualpages/KSP/KSP_CONVERGED_ITERATING.html">KSP_CONVERGED_ITERATING</a> = 0
<a name="line833">833: </a>} <a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>;
<a name="line834">834: </a>PETSC_EXTERN const char *const *KSPConvergedReasons;
<a name="line836">836: </a><font color="#B22222">/*MC</font>
<a name="line837">837: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a> - $||r|| \le rtol*||b||$ or $rtol*||b - A*x_0||$ if `<a href="../manualpages/KSP/KSPConvergedDefaultSetUIRNorm.html">KSPConvergedDefaultSetUIRNorm</a>()` was called</font>
<a name="line839">839: </a><font color="#B22222"> Level: beginner</font>
<a name="line841">841: </a><font color="#B22222"> Notes:</font>
<a name="line842">842: </a><font color="#B22222"> See `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>` and `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()` for possible norms that may be used. By default</font>
<a name="line843">843: </a><font color="#B22222"> for left preconditioning it is the 2-norm of the preconditioned residual, and the</font>
<a name="line844">844: </a><font color="#B22222"> 2-norm of the residual for right preconditioning</font>
<a name="line846">846: </a><font color="#B22222"> See also `<a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a>` which may apply before this tolerance.</font>
<a name="line848">848: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a>`, `<a href="../manualpages/KSP/KSP_DIVERGED_DTOL.html">KSP_DIVERGED_DTOL</a>`, `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line849">849: </a><font color="#B22222">M*/</font>
<a name="line851">851: </a><font color="#B22222">/*MC</font>
<a name="line852">852: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a> - $||r|| \le atol$</font>
<a name="line854">854: </a><font color="#B22222"> Level: beginner</font>
<a name="line856">856: </a><font color="#B22222"> Notes:</font>
<a name="line857">857: </a><font color="#B22222"> See `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>` and `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()` for possible norms that may be used. By default</font>
<a name="line858">858: </a><font color="#B22222"> for left preconditioning it is the 2-norm of the preconditioned residual, and the</font>
<a name="line859">859: </a><font color="#B22222"> 2-norm of the residual for right preconditioning</font>
<a name="line861">861: </a><font color="#B22222"> See also `<a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a>` which may apply before this tolerance.</font>
<a name="line863">863: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a>`, `<a href="../manualpages/KSP/KSP_DIVERGED_DTOL.html">KSP_DIVERGED_DTOL</a>`, `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line864">864: </a><font color="#B22222">M*/</font>
<a name="line866">866: </a><font color="#B22222">/*MC</font>
<a name="line867">867: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_DTOL.html">KSP_DIVERGED_DTOL</a> - $||r|| \ge dtol*||b||$</font>
<a name="line869">869: </a><font color="#B22222"> Level: beginner</font>
<a name="line871">871: </a><font color="#B22222"> Note:</font>
<a name="line872">872: </a><font color="#B22222"> See `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>` and `<a href="../manualpages/KSP/KSPSetNormType.html">KSPSetNormType</a>()` for possible norms that may be used. By default</font>
<a name="line873">873: </a><font color="#B22222"> for left preconditioning it is the 2-norm of the preconditioned residual, and the</font>
<a name="line874">874: </a><font color="#B22222"> 2-norm of the residual for right preconditioning</font>
<a name="line876">876: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPNormType.html">KSPNormType</a>`, `<a href="../manualpages/KSP/KSP_CONVERGED_ATOL.html">KSP_CONVERGED_ATOL</a>`, `<a href="../manualpages/KSP/KSP_CONVERGED_RTOL.html">KSP_CONVERGED_RTOL</a>`, `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line877">877: </a><font color="#B22222">M*/</font>
<a name="line879">879: </a><font color="#B22222">/*MC</font>
<a name="line880">880: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_ITS.html">KSP_DIVERGED_ITS</a> - Ran out of iterations before any convergence criteria was</font>
<a name="line881">881: </a><font color="#B22222"> reached</font>
<a name="line883">883: </a><font color="#B22222"> Level: beginner</font>
<a name="line885">885: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line886">886: </a><font color="#B22222">M*/</font>
<a name="line888">888: </a><font color="#B22222">/*MC</font>
<a name="line889">889: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_CONVERGED_ITS.html">KSP_CONVERGED_ITS</a> - Used by the `<a href="../manualpages/KSP/KSPPREONLY.html">KSPPREONLY</a>` solver after the single iteration of</font>
<a name="line890">890: </a><font color="#B22222"> the preconditioner is applied. Also used when the `<a href="../manualpages/KSP/KSPConvergedSkip.html">KSPConvergedSkip</a>()` convergence</font>
<a name="line891">891: </a><font color="#B22222"> test routine is set in `<a href="../manualpages/KSP/KSP.html">KSP</a>`.</font>
<a name="line893">893: </a><font color="#B22222"> Level: beginner</font>
<a name="line895">895: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line896">896: </a><font color="#B22222">M*/</font>
<a name="line898">898: </a><font color="#B22222">/*MC</font>
<a name="line899">899: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN.html">KSP_DIVERGED_BREAKDOWN</a> - A breakdown in the Krylov method was detected so the</font>
<a name="line900">900: </a><font color="#B22222"> method could not continue to enlarge the Krylov space. Could be due to a singular matrix or</font>
<a name="line901">901: </a><font color="#B22222"> preconditioner. In `<a href="../manualpages/KSP/KSPHPDDM.html">KSPHPDDM</a>`, this is also returned when some search directions within a block</font>
<a name="line902">902: </a><font color="#B22222"> are collinear.</font>
<a name="line904">904: </a><font color="#B22222"> Level: beginner</font>
<a name="line906">906: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line907">907: </a><font color="#B22222">M*/</font>
<a name="line909">909: </a><font color="#B22222">/*MC</font>
<a name="line910">910: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_BREAKDOWN_BICG.html">KSP_DIVERGED_BREAKDOWN_BICG</a> - A breakdown in the `<a href="../manualpages/KSP/KSPBICG.html">KSPBICG</a>` method was detected so the</font>
<a name="line911">911: </a><font color="#B22222"> method could not continue to enlarge the Krylov space.</font>
<a name="line913">913: </a><font color="#B22222"> Level: beginner</font>
<a name="line915">915: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line916">916: </a><font color="#B22222">M*/</font>
<a name="line918">918: </a><font color="#B22222">/*MC</font>
<a name="line919">919: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_NONSYMMETRIC.html">KSP_DIVERGED_NONSYMMETRIC</a> - It appears the operator or preconditioner is not</font>
<a name="line920">920: </a><font color="#B22222"> symmetric and this Krylov method (`<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`, `<a href="../manualpages/KSP/KSPMINRES.html">KSPMINRES</a>`, `<a href="../manualpages/KSP/KSPCR.html">KSPCR</a>`) requires symmetry</font>
<a name="line922">922: </a><font color="#B22222"> Level: beginner</font>
<a name="line924">924: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line925">925: </a><font color="#B22222">M*/</font>
<a name="line927">927: </a><font color="#B22222">/*MC</font>
<a name="line928">928: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_INDEFINITE_PC.html">KSP_DIVERGED_INDEFINITE_PC</a> - It appears the preconditioner is indefinite (has both</font>
<a name="line929">929: </a><font color="#B22222"> positive and negative eigenvalues) and this Krylov method (`<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`) requires it to</font>
<a name="line930">930: </a><font color="#B22222"> be symmetric positive definite (SPD).</font>
<a name="line932">932: </a><font color="#B22222"> Level: beginner</font>
<a name="line934">934: </a><font color="#B22222"> Note:</font>
<a name="line935">935: </a><font color="#B22222"> This can happen with the `<a href="../manualpages/PC/PCICC.html">PCICC</a>` preconditioner, use the options database option `-pc_factor_shift_positive_definite` to force</font>
<a name="line936">936: </a><font color="#B22222"> the `<a href="../manualpages/PC/PCICC.html">PCICC</a>` preconditioner to generate a positive definite preconditioner</font>
<a name="line938">938: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line939">939: </a><font color="#B22222">M*/</font>
<a name="line941">941: </a><font color="#B22222">/*MC</font>
<a name="line942">942: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_DIVERGED_PC_FAILED.html">KSP_DIVERGED_PC_FAILED</a> - It was not possible to build or use the requested preconditioner. This is usually due to a</font>
<a name="line943">943: </a><font color="#B22222"> zero pivot in a factorization. It can also result from a failure in a subpreconditioner inside a nested preconditioner</font>
<a name="line944">944: </a><font color="#B22222"> such as `<a href="../manualpages/PC/PCFIELDSPLIT.html">PCFIELDSPLIT</a>`.</font>
<a name="line946">946: </a><font color="#B22222"> Level: beginner</font>
<a name="line948">948: </a><font color="#B22222"> Note:</font>
<a name="line949">949: </a><font color="#B22222"> Run with `-ksp_error_if_not_converged` to stop the program when the error is detected and print an error message with details.</font>
<a name="line951">951: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line952">952: </a><font color="#B22222">M*/</font>
<a name="line954">954: </a><font color="#B22222">/*MC</font>
<a name="line955">955: </a><font color="#B22222"> <a href="../manualpages/KSP/KSP_CONVERGED_ITERATING.html">KSP_CONVERGED_ITERATING</a> - This flag is returned if `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()` is called</font>
<a name="line956">956: </a><font color="#B22222"> while `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()` is still running.</font>
<a name="line958">958: </a><font color="#B22222"> Level: beginner</font>
<a name="line960">960: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPSolve.html">KSPSolve</a>()`, `<a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>()`, `<a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a>`, `<a href="../manualpages/KSP/KSPSetTolerances.html">KSPSetTolerances</a>()`</font>
<a name="line961">961: </a><font color="#B22222">M*/</font>
<a name="line963">963: </a><font color="#B22222">/*S</font>
<a name="line964">964: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> - A prototype of a function used with `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`</font>
<a name="line966">966: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line967">967: </a><font color="#B22222">+ ksp - iterative solver obtained from `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`</font>
<a name="line968">968: </a><font color="#B22222">. it - iteration number</font>
<a name="line969">969: </a><font color="#B22222">. rnorm - (estimated) 2-norm of (preconditioned) residual</font>
<a name="line970">970: </a><font color="#B22222">. reason - the reason why it has converged or diverged</font>
<a name="line971">971: </a><font color="#B22222">- ctx - optional convergence context, as set by `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`</font>
<a name="line973">973: </a><font color="#B22222"> Level: beginner</font>
<a name="line975">975: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>()`, `<a href="../manualpages/KSP/KSPGetConvergenceTest.html">KSPGetConvergenceTest</a>()`</font>
<a name="line976">976: </a><font color="#B22222">S*/</font>
<a name="line977">977: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> it, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> rnorm, <a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a> *reason, void *ctx)</font></strong>;
<a name="line979">979: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetConvergenceTest.html">KSPSetConvergenceTest</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> *, void *, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> *)</font></strong>;
<a name="line980">980: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetConvergenceTest.html">KSPGetConvergenceTest</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> **, void **, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> **)</font></strong>;
<a name="line981">981: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetAndClearConvergenceTest.html">KSPGetAndClearConvergenceTest</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> **, void **, <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> **)</font></strong>;
<a name="line982">982: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetConvergenceContext.html">KSPGetConvergenceContext</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, void *)</font></strong>;
<a name="line983">983: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> <a href="../manualpages/KSP/KSPConvergedDefault.html">KSPConvergedDefault</a>;
<a name="line984">984: </a>PETSC_EXTERN <a href="../manualpages/KSP/KSPConvergenceTestFn.html">KSPConvergenceTestFn</a> <a href="../manualpages/KSP/KSPLSQRConvergedDefault.html">KSPLSQRConvergedDefault</a>;
<a name="line985">985: </a>PETSC_EXTERN <a href="../manualpages/Sys/PetscCtxDestroyFn.html">PetscCtxDestroyFn</a> <a href="../manualpages/KSP/KSPConvergedDefaultDestroy.html">KSPConvergedDefaultDestroy</a>;
<a name="line986">986: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedDefaultCreate.html">KSPConvergedDefaultCreate</a>(void **)</font></strong>;
<a name="line987">987: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedDefaultSetUIRNorm.html">KSPConvergedDefaultSetUIRNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line988">988: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedDefaultSetUMIRNorm.html">KSPConvergedDefaultSetUMIRNorm</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line989">989: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedDefaultSetConvergedMaxits.html">KSPConvergedDefaultSetConvergedMaxits</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line990">990: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPConvergedSkip.html">KSPConvergedSkip</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a> *, void *)</font></strong>;
<a name="line991">991: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetConvergedReason.html">KSPGetConvergedReason</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPConvergedReason.html">KSPConvergedReason</a> *)</font></strong>;
<a name="line992">992: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetConvergedReasonString.html">KSPGetConvergedReasonString</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char *[])</font></strong>;
<a name="line993">993: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeConvergenceRate.html">KSPComputeConvergenceRate</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line994">994: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetConvergedNegativeCurvature.html">KSPSetConvergedNegativeCurvature</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line995">995: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetConvergedNegativeCurvature.html">KSPGetConvergedNegativeCurvature</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line997">997: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedDefault.html">KSPConvergedDefault</a>()"</font>, ) static inline void KSPDefaultConverged(void)
<a name="line998">998: </a>{ <font color="#B22222">/* never called */</font>
<a name="line999">999: </a>}
<a name="line1000">1000: </a><strong><font color="#228B22">#define KSPDefaultConverged (KSPDefaultConverged, <a href="../manualpages/KSP/KSPConvergedDefault.html">KSPConvergedDefault</a>)</font></strong>
<a name="line1001">1001: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedDefaultDestroy.html">KSPConvergedDefaultDestroy</a>()"</font>, ) static inline void KSPDefaultConvergedDestroy(void)
<a name="line1002">1002: </a>{ <font color="#B22222">/* never called */</font>
<a name="line1003">1003: </a>}
<a name="line1004">1004: </a><strong><font color="#228B22">#define KSPDefaultConvergedDestroy (KSPDefaultConvergedDestroy, <a href="../manualpages/KSP/KSPConvergedDefaultDestroy.html">KSPConvergedDefaultDestroy</a>)</font></strong>
<a name="line1005">1005: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedDefaultCreate.html">KSPConvergedDefaultCreate</a>()"</font>, ) static inline void KSPDefaultConvergedCreate(void)
<a name="line1006">1006: </a>{ <font color="#B22222">/* never called */</font>
<a name="line1007">1007: </a>}
<a name="line1008">1008: </a><strong><font color="#228B22">#define KSPDefaultConvergedCreate (KSPDefaultConvergedCreate, <a href="../manualpages/KSP/KSPConvergedDefaultCreate.html">KSPConvergedDefaultCreate</a>)</font></strong>
<a name="line1009">1009: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedDefaultSetUIRNorm.html">KSPConvergedDefaultSetUIRNorm</a>()"</font>, ) static inline void KSPDefaultConvergedSetUIRNorm(void)
<a name="line1010">1010: </a>{ <font color="#B22222">/* never called */</font>
<a name="line1011">1011: </a>}
<a name="line1012">1012: </a><strong><font color="#228B22">#define KSPDefaultConvergedSetUIRNorm (KSPDefaultConvergedSetUIRNorm, <a href="../manualpages/KSP/KSPConvergedDefaultSetUIRNorm.html">KSPConvergedDefaultSetUIRNorm</a>)</font></strong>
<a name="line1013">1013: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedDefaultSetUMIRNorm.html">KSPConvergedDefaultSetUMIRNorm</a>()"</font>, ) static inline void KSPDefaultConvergedSetUMIRNorm(void)
<a name="line1014">1014: </a>{ <font color="#B22222">/* never called */</font>
<a name="line1015">1015: </a>}
<a name="line1016">1016: </a><strong><font color="#228B22">#define KSPDefaultConvergedSetUMIRNorm (KSPDefaultConvergedSetUMIRNorm, <a href="../manualpages/KSP/KSPConvergedDefaultSetUMIRNorm.html">KSPConvergedDefaultSetUMIRNorm</a>)</font></strong>
<a name="line1017">1017: </a>PETSC_DEPRECATED_FUNCTION(3, 5, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPConvergedSkip.html">KSPConvergedSkip</a>()"</font>, ) static inline void KSPSkipConverged(void)
<a name="line1018">1018: </a>{ <font color="#B22222">/* never called */</font>
<a name="line1019">1019: </a>}
<a name="line1020">1020: </a><strong><font color="#228B22">#define KSPSkipConverged (KSPSkipConverged, <a href="../manualpages/KSP/KSPConvergedSkip.html">KSPConvergedSkip</a>)</font></strong>
<a name="line1022">1022: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeOperator.html">KSPComputeOperator</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/MatType.html">MatType</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1023">1023: </a>PETSC_DEPRECATED_FUNCTION(3, 12, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPComputeOperator.html">KSPComputeOperator</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPComputeExplicitOperator(<a href="../manualpages/KSP/KSP.html">KSP</a> A, <a href="../manualpages/Mat/Mat.html">Mat</a> *B)
<a name="line1024">1024: </a>{
<a name="line1025">1025: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPComputeOperator.html">KSPComputeOperator</a>(A, <a href="../manualpages/Sys/PETSC_NULLPTR.html">PETSC_NULLPTR</a>, B);
<a name="line1026">1026: </a>}
<a name="line1028">1028: </a><font color="#B22222">/*E</font>
<a name="line1029">1029: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPCGType.html">KSPCGType</a> - Determines what type of `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>` to use</font>
<a name="line1031">1031: </a><font color="#B22222"> Values:</font>
<a name="line1032">1032: </a><font color="#B22222"> + `<a href="../manualpages/KSP/KSPCGType.html">KSP_CG_SYMMETRIC</a>` - the matrix is complex symmetric</font>
<a name="line1033">1033: </a><font color="#B22222"> - `<a href="../manualpages/KSP/KSPCGType.html">KSP_CG_HERMITIAN</a>` - the matrix is complex Hermitian</font>
<a name="line1035">1035: </a><font color="#B22222"> Level: beginner</font>
<a name="line1037">1037: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPCG.html">KSPCG</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPCGSetType.html">KSPCGSetType</a>()`</font>
<a name="line1038">1038: </a><font color="#B22222">E*/</font>
<a name="line1039">1039: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line1040">1040: </a> <a href="../manualpages/KSP/KSPCGType.html">KSP_CG_SYMMETRIC</a> = 0,
<a name="line1041">1041: </a> <a href="../manualpages/KSP/KSPCGType.html">KSP_CG_HERMITIAN</a> = 1
<a name="line1042">1042: </a>} <a href="../manualpages/KSP/KSPCGType.html">KSPCGType</a>;
<a name="line1043">1043: </a>PETSC_EXTERN const char *const KSPCGTypes[];
<a name="line1045">1045: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGSetType.html">KSPCGSetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPCGType.html">KSPCGType</a>)</font></strong>;
<a name="line1046">1046: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGUseSingleReduction.html">KSPCGUseSingleReduction</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line1048">1048: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGSetRadius.html">KSPCGSetRadius</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1049">1049: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGSetObjectiveTarget.html">KSPCGSetObjectiveTarget</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1050">1050: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGGetNormD.html">KSPCGGetNormD</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1051">1051: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPCGGetObjFcn.html">KSPCGGetObjFcn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1053">1053: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGLTRGetMinEig.html">KSPGLTRGetMinEig</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1054">1054: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGLTRGetLambda.html">KSPGLTRGetLambda</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1055">1055: </a>PETSC_DEPRECATED_FUNCTION(3, 12, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPGLTRGetMinEig.html">KSPGLTRGetMinEig</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPCGGLTRGetMinEig(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *x)
<a name="line1056">1056: </a>{
<a name="line1057">1057: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPGLTRGetMinEig.html">KSPGLTRGetMinEig</a>(ksp, x);
<a name="line1058">1058: </a>}
<a name="line1059">1059: </a>PETSC_DEPRECATED_FUNCTION(3, 12, 0, <font color="#666666">"<a href="../manualpages/KSP/KSPGLTRGetLambda.html">KSPGLTRGetLambda</a>()"</font>, ) static inline <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPCGGLTRGetLambda(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *x)
<a name="line1060">1060: </a>{
<a name="line1061">1061: </a> <font color="#4169E1">return</font> <a href="../manualpages/KSP/KSPGLTRGetLambda.html">KSPGLTRGetLambda</a>(ksp, x);
<a name="line1062">1062: </a>}
<a name="line1064">1064: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPythonSetType.html">KSPPythonSetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char[])</font></strong>;
<a name="line1065">1065: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPPythonGetType.html">KSPPythonGetType</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, const char *[])</font></strong>;
<a name="line1067">1067: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCPreSolve.html">PCPreSolve</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line1068">1068: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCPostSolve.html">PCPostSolve</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line1070">1070: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> KSPMonitorLGRange(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, void *)</font></strong>;
<a name="line1072">1072: </a><font color="#B22222">/*S</font>
<a name="line1073">1073: </a><font color="#B22222"> <a href="../manualpages/KSP/PCShellPSolveFn.html">PCShellPSolveFn</a> - A function prototype for functions provided to `<a href="../manualpages/PC/PCShellSetPreSolve.html">PCShellSetPreSolve</a>()` and `<a href="../manualpages/PC/PCShellSetPostSolve.html">PCShellSetPostSolve</a>()`</font>
<a name="line1075">1075: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line1076">1076: </a><font color="#B22222">+ pc - the preconditioner `<a href="../manualpages/PC/PC.html">PC</a>` context</font>
<a name="line1077">1077: </a><font color="#B22222">. ksp - the `<a href="../manualpages/KSP/KSP.html">KSP</a>` context</font>
<a name="line1078">1078: </a><font color="#B22222">. xin - input vector</font>
<a name="line1079">1079: </a><font color="#B22222">- xout - output vector</font>
<a name="line1081">1081: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1083">1083: </a><font color="#B22222">.seealso: [](ch_snes), `<a href="../manualpages/KSP/KSPPSolveFn.html">KSPPSolveFn</a>`, `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/PC/PCShellSetPreSolve.html">PCShellSetPreSolve</a>()`, `<a href="../manualpages/PC/PCShellSetPostSolve.html">PCShellSetPostSolve</a>()`</font>
<a name="line1084">1084: </a><font color="#B22222">S*/</font>
<a name="line1085">1085: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/PCShellPSolveFn.html">PCShellPSolveFn</a>(<a href="../manualpages/PC/PC.html">PC</a> pc, <a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Vec/Vec.html">Vec</a> xim, <a href="../manualpages/Vec/Vec.html">Vec</a> xout)</font></strong>;
<a name="line1087">1087: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCShellSetPreSolve.html">PCShellSetPreSolve</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/PCShellPSolveFn.html">PCShellPSolveFn</a> *)</font></strong>;
<a name="line1088">1088: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCShellSetPostSolve.html">PCShellSetPostSolve</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/PCShellPSolveFn.html">PCShellPSolveFn</a> *)</font></strong>;
<a name="line1090">1090: </a><font color="#B22222">/*S</font>
<a name="line1091">1091: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a> - Abstract PETSc object that manages all initial guess generation methods for Krylov methods.</font>
<a name="line1093">1093: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1095">1095: </a><font color="#B22222"> Note:</font>
<a name="line1096">1096: </a><font color="#B22222"> These methods generate initial guesses based on a series of previous, related, linear solves. For example,</font>
<a name="line1097">1097: </a><font color="#B22222"> in implicit time-stepping with `<a href="../manualpages/TS/TS.html">TS</a>`.</font>
<a name="line1099">1099: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSPCreate.html">KSPCreate</a>()`, `<a href="../manualpages/KSP/KSPGuessSetType.html">KSPGuessSetType</a>()`, `<a href="../manualpages/KSP/KSPGuessType.html">KSPGuessType</a>`</font>
<a name="line1100">1100: </a><font color="#B22222">S*/</font>
<a name="line1101">1101: </a><font color="#4169E1">typedef struct _p_KSPGuess *<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>;</font>
<a name="line1103">1103: </a><font color="#B22222">/*J</font>
<a name="line1104">1104: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPGuessType.html">KSPGuessType</a> - String with the name of a PETSc initial guess approach for Krylov methods.</font>
<a name="line1106">1106: </a><font color="#B22222"> Values:</font>
<a name="line1107">1107: </a><font color="#B22222"> + `<a href="../manualpages/KSP/KSPGUESSFISCHER.html">KSPGUESSFISCHER</a>` - methodology developed by Paul Fischer</font>
<a name="line1108">1108: </a><font color="#B22222"> - `<a href="../manualpages/KSP/KSPGUESSPOD.html">KSPGUESSPOD</a>` - methodology based on proper orthogonal decomposition (POD)</font>
<a name="line1110">1110: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1112">1112: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>`</font>
<a name="line1113">1113: </a><font color="#B22222">J*/</font>
<a name="line1114">1114: </a><font color="#4169E1">typedef const char *<a href="../manualpages/KSP/KSPGuessType.html">KSPGuessType</a>;</font>
<a name="line1115">1115: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGUESSFISCHER.html">KSPGUESSFISCHER</a> </font><font color="#666666">"fischer"</font><font color="#228B22"></font></strong>
<a name="line1116">1116: </a><strong><font color="#228B22">#define <a href="../manualpages/KSP/KSPGUESSPOD.html">KSPGUESSPOD</a> </font><font color="#666666">"pod"</font><font color="#228B22"></font></strong>
<a name="line1118">1118: </a><strong><font color="#4169E1"><a name="KSPGuessRegister"></a>PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessRegister.html">KSPGuessRegister</a>(const char[], <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> (*)(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>)</font></strong>);
<a name="line1119">1119: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetGuess.html">KSPSetGuess</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>)</font></strong>;
<a name="line1120">1120: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetGuess.html">KSPGetGuess</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a> *)</font></strong>;
<a name="line1121">1121: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessView.html">KSPGuessView</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/Viewer/PetscViewer.html">PetscViewer</a>)</font></strong>;
<a name="line1122">1122: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessDestroy.html">KSPGuessDestroy</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a> *)</font></strong>;
<a name="line1123">1123: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessCreate.html">KSPGuessCreate</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a> *)</font></strong>;
<a name="line1124">1124: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessSetType.html">KSPGuessSetType</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/KSP/KSPGuessType.html">KSPGuessType</a>)</font></strong>;
<a name="line1125">1125: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessGetType.html">KSPGuessGetType</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/KSP/KSPGuessType.html">KSPGuessType</a> *)</font></strong>;
<a name="line1126">1126: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessSetTolerance.html">KSPGuessSetTolerance</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1127">1127: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessSetUp.html">KSPGuessSetUp</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>)</font></strong>;
<a name="line1128">1128: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessUpdate.html">KSPGuessUpdate</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1129">1129: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessFormGuess.html">KSPGuessFormGuess</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1130">1130: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessSetFromOptions.html">KSPGuessSetFromOptions</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>)</font></strong>;
<a name="line1131">1131: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGuessFischerSetModel.html">KSPGuessFischerSetModel</a>(<a href="../manualpages/KSP/KSPGuess.html">KSPGuess</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line1132">1132: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetUseFischerGuess.html">KSPSetUseFischerGuess</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line1133">1133: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetInitialGuessKnoll.html">KSPSetInitialGuessKnoll</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line1134">1134: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetInitialGuessKnoll.html">KSPGetInitialGuessKnoll</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line1136">1136: </a><font color="#B22222">/*E</font>
<a name="line1137">1137: </a><font color="#B22222"> <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a> - Determines how to approximate the inverse of the (0,0) block in Schur complement matrix assembly routines</font>
<a name="line1139">1139: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1141">1141: </a><font color="#B22222">.seealso: `<a href="../manualpages/KSP/MatSchurComplementGetAinvType.html">MatSchurComplementGetAinvType</a>()`, `<a href="../manualpages/KSP/MatSchurComplementSetAinvType.html">MatSchurComplementSetAinvType</a>()`, `<a href="../manualpages/KSP/MatSchurComplementGetPmat.html">MatSchurComplementGetPmat</a>()`, `<a href="../manualpages/KSP/MatGetSchurComplement.html">MatGetSchurComplement</a>()`,</font>
<a name="line1142">1142: </a><font color="#B22222"> `<a href="../manualpages/KSP/MatCreateSchurComplementPmat.html">MatCreateSchurComplementPmat</a>()`, `<a href="../manualpages/KSP/MatCreateSchurComplement.html">MatCreateSchurComplement</a>()`</font>
<a name="line1143">1143: </a><font color="#B22222">E*/</font>
<a name="line1144">1144: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line1145">1145: </a> <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MAT_SCHUR_COMPLEMENT_AINV_DIAG</a>,
<a name="line1146">1146: </a> <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MAT_SCHUR_COMPLEMENT_AINV_LUMP</a>,
<a name="line1147">1147: </a> <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MAT_SCHUR_COMPLEMENT_AINV_BLOCK_DIAG</a>,
<a name="line1148">1148: </a> <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MAT_SCHUR_COMPLEMENT_AINV_FULL</a>
<a name="line1149">1149: </a>} <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a>;
<a name="line1150">1150: </a>PETSC_EXTERN const char *const MatSchurComplementAinvTypes[];
<a name="line1152">1152: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateSchurComplement.html">MatCreateSchurComplement</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1153">1153: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementGetKSP.html">MatSchurComplementGetKSP</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line1154">1154: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementSetKSP.html">MatSchurComplementSetKSP</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line1155">1155: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementSetSubMatrices.html">MatSchurComplementSetSubMatrices</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line1156">1156: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementUpdateSubMatrices.html">MatSchurComplementUpdateSubMatrices</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line1157">1157: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementGetSubMatrices.html">MatSchurComplementGetSubMatrices</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1158">1158: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementSetAinvType.html">MatSchurComplementSetAinvType</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a>)</font></strong>;
<a name="line1159">1159: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementGetAinvType.html">MatSchurComplementGetAinvType</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a> *)</font></strong>;
<a name="line1160">1160: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementGetPmat.html">MatSchurComplementGetPmat</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/MatReuse.html">MatReuse</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1161">1161: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatSchurComplementComputeExplicitOperator.html">MatSchurComplementComputeExplicitOperator</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1162">1162: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatGetSchurComplement.html">MatGetSchurComplement</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/IS/IS.html">IS</a>, <a href="../manualpages/IS/IS.html">IS</a>, <a href="../manualpages/IS/IS.html">IS</a>, <a href="../manualpages/IS/IS.html">IS</a>, <a href="../manualpages/Mat/MatReuse.html">MatReuse</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *, <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a>, <a href="../manualpages/Mat/MatReuse.html">MatReuse</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1163">1163: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateSchurComplementPmat.html">MatCreateSchurComplementPmat</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatSchurComplementAinvType.html">MatSchurComplementAinvType</a>, <a href="../manualpages/Mat/MatReuse.html">MatReuse</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1165">1165: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMDFP.html">MatCreateLMVMDFP</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1166">1166: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMBFGS.html">MatCreateLMVMBFGS</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1167">1167: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMDBFGS.html">MatCreateLMVMDBFGS</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1168">1168: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMDDFP.html">MatCreateLMVMDDFP</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1169">1169: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMDQN.html">MatCreateLMVMDQN</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1170">1170: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMSR1.html">MatCreateLMVMSR1</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1171">1171: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMBroyden.html">MatCreateLMVMBroyden</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1172">1172: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMBadBroyden.html">MatCreateLMVMBadBroyden</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1173">1173: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMSymBroyden.html">MatCreateLMVMSymBroyden</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1174">1174: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMSymBadBroyden.html">MatCreateLMVMSymBadBroyden</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1175">1175: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatCreateLMVMDiagBroyden.html">MatCreateLMVMDiagBroyden</a>(<a href="../manualpages/Sys/MPI_Comm.html">MPI_Comm</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1177">1177: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMUpdate.html">MatLMVMUpdate</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1178">1178: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMIsAllocated.html">MatLMVMIsAllocated</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a> *)</font></strong>;
<a name="line1179">1179: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMAllocate.html">MatLMVMAllocate</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1180">1180: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMReset.html">MatLMVMReset</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line1181">1181: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMResetShift.html">MatLMVMResetShift</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line1182">1182: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMClearJ0.html">MatLMVMClearJ0</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line1183">1183: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetJ0.html">MatLMVMSetJ0</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>)</font></strong>;
<a name="line1184">1184: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetJ0Scale.html">MatLMVMSetJ0Scale</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1185">1185: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetJ0Diag.html">MatLMVMSetJ0Diag</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1186">1186: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetJ0PC.html">MatLMVMSetJ0PC</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/PC/PC.html">PC</a>)</font></strong>;
<a name="line1187">1187: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetJ0KSP.html">MatLMVMSetJ0KSP</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line1188">1188: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMApplyJ0Fwd.html">MatLMVMApplyJ0Fwd</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1189">1189: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMApplyJ0Inv.html">MatLMVMApplyJ0Inv</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1190">1190: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetLastUpdate.html">MatLMVMGetLastUpdate</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Vec/Vec.html">Vec</a> *, <a href="../manualpages/Vec/Vec.html">Vec</a> *)</font></strong>;
<a name="line1191">1191: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetJ0.html">MatLMVMGetJ0</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *)</font></strong>;
<a name="line1192">1192: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetJ0PC.html">MatLMVMGetJ0PC</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/PC/PC.html">PC</a> *)</font></strong>;
<a name="line1193">1193: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetJ0KSP.html">MatLMVMGetJ0KSP</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line1194">1194: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetHistorySize.html">MatLMVMSetHistorySize</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>)</font></strong>;
<a name="line1195">1195: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> MatLMVMGetHistorySize(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line1196">1196: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetUpdateCount.html">MatLMVMGetUpdateCount</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line1197">1197: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetRejectCount.html">MatLMVMGetRejectCount</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> *)</font></strong>;
<a name="line1198">1198: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBroydenSetDelta.html">MatLMVMSymBroydenSetDelta</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a>)</font></strong>;
<a name="line1200">1200: </a><font color="#B22222">/*E</font>
<a name="line1201">1201: </a><font color="#B22222"> <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MatLMVMMultAlgorithm</a> - The type of algorithm used for matrix-vector products and solves used internally by a `MatLMVM` matrix</font>
<a name="line1203">1203: </a><font color="#B22222"> Values:</font>
<a name="line1204">1204: </a><font color="#B22222">+ `<a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_RECURSIVE</a>` - Use recursive formulas for products and solves</font>
<a name="line1205">1205: </a><font color="#B22222">. `<a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_DENSE</a>` - Use dense formulas for products and solves when possible</font>
<a name="line1206">1206: </a><font color="#B22222">- `<a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_COMPACT_DENSE</a>` - The same as `MATLMVM_MULT_DENSE`, but go further and ensure products and solves are computed in compact low-rank update form</font>
<a name="line1208">1208: </a><font color="#B22222"> Level: advanced</font>
<a name="line1210">1210: </a><font color="#B22222"> Options Database Keys:</font>
<a name="line1211">1211: </a><font color="#B22222">. -mat_lmvm_mult_algorithm - the algorithm to use for multiplication (recursive, dense, compact_dense)</font>
<a name="line1213">1213: </a><font color="#B22222">.seealso: [](ch_matrices), `MatLMVM`, `<a href="../manualpages/KSP/MatLMVMSetMultAlgorithm.html">MatLMVMSetMultAlgorithm</a>()`, `<a href="../manualpages/KSP/MatLMVMGetMultAlgorithm.html">MatLMVMGetMultAlgorithm</a>()`</font>
<a name="line1214">1214: </a><font color="#B22222">E*/</font>
<a name="line1215">1215: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line1216">1216: </a> <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_RECURSIVE</a>,
<a name="line1217">1217: </a> <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_DENSE</a>,
<a name="line1218">1218: </a> <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MAT_LMVM_MULT_COMPACT_DENSE</a>,
<a name="line1219">1219: </a>} <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MatLMVMMultAlgorithm</a>;
<a name="line1221">1221: </a>PETSC_EXTERN const char *const MatLMVMMultAlgorithms[];
<a name="line1223">1223: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSetMultAlgorithm.html">MatLMVMSetMultAlgorithm</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MatLMVMMultAlgorithm</a>)</font></strong>;
<a name="line1224">1224: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMGetMultAlgorithm.html">MatLMVMGetMultAlgorithm</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatLMVMMultAlgorithm.html">MatLMVMMultAlgorithm</a> *)</font></strong>;
<a name="line1226">1226: </a><font color="#B22222">/*E</font>
<a name="line1227">1227: </a><font color="#B22222"> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MatLMVMSymBroydenScaleType</a> - Rescaling type for the initial Hessian of a symmetric Broyden matrix.</font>
<a name="line1229">1229: </a><font color="#B22222"> Values:</font>
<a name="line1230">1230: </a><font color="#B22222">+ `<a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_NONE</a>` - no rescaling</font>
<a name="line1231">1231: </a><font color="#B22222">. `<a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_SCALAR</a>` - scalar rescaling</font>
<a name="line1232">1232: </a><font color="#B22222">. `<a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_DIAGONAL</a>` - diagonal rescaling</font>
<a name="line1233">1233: </a><font color="#B22222">. `<a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_USER</a>` - same as `MAT_LMVM_SYMBROYDN_SCALE_NONE`</font>
<a name="line1234">1234: </a><font color="#B22222">- `<a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_DECIDE</a>` - let PETSc decide rescaling</font>
<a name="line1236">1236: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1238">1238: </a><font color="#B22222">.seealso: [](ch_matrices), `MatLMVM`, `<a href="../manualpages/KSP/MatLMVMSymBroydenSetScaleType.html">MatLMVMSymBroydenSetScaleType</a>()`</font>
<a name="line1239">1239: </a><font color="#B22222">E*/</font>
<a name="line1240">1240: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line1241">1241: </a> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_NONE</a> = 0,
<a name="line1242">1242: </a> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_SCALAR</a> = 1,
<a name="line1243">1243: </a> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_DIAGONAL</a> = 2,
<a name="line1244">1244: </a> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_USER</a> = 3,
<a name="line1245">1245: </a> <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MAT_LMVM_SYMBROYDEN_SCALE_DECIDE</a> = 4
<a name="line1246">1246: </a>} <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MatLMVMSymBroydenScaleType</a>;
<a name="line1247">1247: </a>PETSC_EXTERN const char *const MatLMVMSymBroydenScaleTypes[];
<a name="line1249">1249: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBroydenSetScaleType.html">MatLMVMSymBroydenSetScaleType</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatLMVMSymBroydenScaleType.html">MatLMVMSymBroydenScaleType</a>)</font></strong>;
<a name="line1250">1250: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBroydenGetPhi.html">MatLMVMSymBroydenGetPhi</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1251">1251: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBroydenSetPhi.html">MatLMVMSymBroydenSetPhi</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1252">1252: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBadBroydenGetPsi.html">MatLMVMSymBadBroydenGetPsi</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> *)</font></strong>;
<a name="line1253">1253: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMSymBadBroydenSetPsi.html">MatLMVMSymBadBroydenSetPsi</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1255">1255: </a><font color="#B22222">/*E</font>
<a name="line1256">1256: </a><font color="#B22222"> <a href="../manualpages/KSP/MatLMVMDenseType.html">MatLMVMDenseType</a> - Memory storage strategy for dense variants of `<a href="../manualpages/KSP/MATLMVM.html">MATLMVM</a>`.</font>
<a name="line1258">1258: </a><font color="#B22222"> Values:</font>
<a name="line1259">1259: </a><font color="#B22222">+ `<a href="../manualpages/KSP/MatLMVMDenseType.html">MAT_LMVM_DENSE_REORDER</a>` - reorders memory to minimize kernel launch</font>
<a name="line1260">1260: </a><font color="#B22222">- `<a href="../manualpages/KSP/MatLMVMDenseType.html">MAT_LMVM_DENSE_INPLACE</a>` - computes inplace to minimize memory movement</font>
<a name="line1262">1262: </a><font color="#B22222"> Level: intermediate</font>
<a name="line1264">1264: </a><font color="#B22222">.seealso: [](ch_matrices), `MatLMVM`, `<a href="../manualpages/KSP/MatLMVMDenseSetType.html">MatLMVMDenseSetType</a>()`</font>
<a name="line1265">1265: </a><font color="#B22222">E*/</font>
<a name="line1266">1266: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line1267">1267: </a> <a href="../manualpages/KSP/MatLMVMDenseType.html">MAT_LMVM_DENSE_REORDER</a>,
<a name="line1268">1268: </a> <a href="../manualpages/KSP/MatLMVMDenseType.html">MAT_LMVM_DENSE_INPLACE</a>
<a name="line1269">1269: </a>} <a href="../manualpages/KSP/MatLMVMDenseType.html">MatLMVMDenseType</a>;
<a name="line1270">1270: </a>PETSC_EXTERN const char *const MatLMVMDenseTypes[];
<a name="line1272">1272: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/MatLMVMDenseSetType.html">MatLMVMDenseSetType</a>(<a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/MatLMVMDenseType.html">MatLMVMDenseType</a>)</font></strong>;
<a name="line1274">1274: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetDM.html">KSPSetDM</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/DM/DM.html">DM</a>)</font></strong>;
<a name="line1275">1275: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetDMActive.html">KSPSetDMActive</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Sys/PetscBool.html">PetscBool</a>)</font></strong>;
<a name="line1276">1276: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetDM.html">KSPGetDM</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/DM/DM.html">DM</a> *)</font></strong>;
<a name="line1277">1277: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetApplicationContext.html">KSPSetApplicationContext</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, void *)</font></strong>;
<a name="line1278">1278: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPGetApplicationContext.html">KSPGetApplicationContext</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, void *)</font></strong>;
<a name="line1280">1280: </a><font color="#B22222">/*S</font>
<a name="line1281">1281: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a> - A prototype of a `<a href="../manualpages/KSP/KSP.html">KSP</a>` evaluation function that would be passed to `<a href="../manualpages/KSP/KSPSetComputeRHS.html">KSPSetComputeRHS</a>()`</font>
<a name="line1283">1283: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line1284">1284: </a><font color="#B22222">+ ksp - `ksp` context</font>
<a name="line1285">1285: </a><font color="#B22222">. b - output vector</font>
<a name="line1286">1286: </a><font color="#B22222">- ctx - [optional] user-defined function context</font>
<a name="line1288">1288: </a><font color="#B22222"> Level: beginner</font>
<a name="line1290">1290: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetComputeRHS.html">KSPSetComputeRHS</a>()`, `<a href="../manualpages/SNES/SNESGetFunction.html">SNESGetFunction</a>()`, `<a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a>`, `<a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a>`</font>
<a name="line1291">1291: </a><font color="#B22222">S*/</font>
<a name="line1292">1292: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Vec/Vec.html">Vec</a> b, void *ctx)</font></strong>;
<a name="line1294">1294: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeRHS.html">KSPSetComputeRHS</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a> *, void *)</font></strong>;
<a name="line1296">1296: </a><font color="#B22222">/*S</font>
<a name="line1297">1297: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a> - A prototype of a `<a href="../manualpages/KSP/KSP.html">KSP</a>` evaluation function that would be passed to `<a href="../manualpages/KSP/KSPSetComputeOperators.html">KSPSetComputeOperators</a>()`</font>
<a name="line1299">1299: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line1300">1300: </a><font color="#B22222">+ ksp - `<a href="../manualpages/KSP/KSP.html">KSP</a>` context</font>
<a name="line1301">1301: </a><font color="#B22222">. A - the operator that defines the linear system</font>
<a name="line1302">1302: </a><font color="#B22222">. P - an operator from which to build the preconditioner (often the same as `A`)</font>
<a name="line1303">1303: </a><font color="#B22222">- ctx - [optional] user-defined function context</font>
<a name="line1305">1305: </a><font color="#B22222"> Level: beginner</font>
<a name="line1307">1307: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetComputeRHS.html">KSPSetComputeRHS</a>()`, `<a href="../manualpages/SNES/SNESGetFunction.html">SNESGetFunction</a>()`, `<a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a>`, `<a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a>`</font>
<a name="line1308">1308: </a><font color="#B22222">S*/</font>
<a name="line1309">1309: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Mat/Mat.html">Mat</a> A, <a href="../manualpages/Mat/Mat.html">Mat</a> P, void *ctx)</font></strong>;
<a name="line1311">1311: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeOperators.html">KSPSetComputeOperators</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a>, void *)</font></strong>;
<a name="line1313">1313: </a><font color="#B22222">/*S</font>
<a name="line1314">1314: </a><font color="#B22222"> <a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a> - A prototype of a `<a href="../manualpages/KSP/KSP.html">KSP</a>` evaluation function that would be passed to `<a href="../manualpages/KSP/KSPSetComputeInitialGuess.html">KSPSetComputeInitialGuess</a>()`</font>
<a name="line1316">1316: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line1317">1317: </a><font color="#B22222">+ ksp - `ksp` context</font>
<a name="line1318">1318: </a><font color="#B22222">. x - output vector</font>
<a name="line1319">1319: </a><font color="#B22222">- ctx - [optional] user-defined function context</font>
<a name="line1321">1321: </a><font color="#B22222"> Level: beginner</font>
<a name="line1323">1323: </a><font color="#B22222">.seealso: [](ch_ksp), `<a href="../manualpages/KSP/KSP.html">KSP</a>`, `<a href="../manualpages/KSP/KSPSetComputeInitialGuess.html">KSPSetComputeInitialGuess</a>()`, `<a href="../manualpages/SNES/SNESGetFunction.html">SNESGetFunction</a>()`, `<a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a>`, `<a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a>`</font>
<a name="line1324">1324: </a><font color="#B22222">S*/</font>
<a name="line1325">1325: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a>(<a href="../manualpages/KSP/KSP.html">KSP</a> ksp, <a href="../manualpages/Vec/Vec.html">Vec</a> x, void *ctx)</font></strong>;
<a name="line1327">1327: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/KSPSetComputeInitialGuess.html">KSPSetComputeInitialGuess</a>(<a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a> *, void *)</font></strong>;
<a name="line1328">1328: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPSetComputeOperators.html">DMKSPSetComputeOperators</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a> *, void *)</font></strong>;
<a name="line1329">1329: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPGetComputeOperators.html">DMKSPGetComputeOperators</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeOperatorsFn.html">KSPComputeOperatorsFn</a> **, void *)</font></strong>;
<a name="line1330">1330: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPSetComputeRHS.html">DMKSPSetComputeRHS</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a> *, void *)</font></strong>;
<a name="line1331">1331: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPGetComputeRHS.html">DMKSPGetComputeRHS</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeRHSFn.html">KSPComputeRHSFn</a> **, void *)</font></strong>;
<a name="line1332">1332: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPSetComputeInitialGuess.html">DMKSPSetComputeInitialGuess</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a> *, void *)</font></strong>;
<a name="line1333">1333: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMKSPGetComputeInitialGuess.html">DMKSPGetComputeInitialGuess</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/KSP/KSPComputeInitialGuessFn.html">KSPComputeInitialGuessFn</a> **, void *)</font></strong>;
<a name="line1335">1335: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DM/DMGlobalToLocalSolve.html">DMGlobalToLocalSolve</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
<a name="line1336">1336: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DM/DMSwarmProjectFields.html">DMSwarmProjectFields</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, const char *[], <a href="../manualpages/Vec/Vec.html">Vec</a>[], <a href="../manualpages/Vec/ScatterMode.html">ScatterMode</a>)</font></strong>;
<a name="line1337">1337: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMSwarmProjectGradientFields(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a>, const char *[], <a href="../manualpages/Vec/Vec.html">Vec</a>[], <a href="../manualpages/Vec/ScatterMode.html">ScatterMode</a>)</font></strong>;
<a name="line1339">1339: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMAdaptInterpolator(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a> *, void *)</font></strong>;
<a name="line1340">1340: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> DMCheckInterpolator(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Mat/Mat.html">Mat</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>)</font></strong>;
<a name="line1342">1342: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCBJKOKKOSSetKSP.html">PCBJKOKKOSSetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a>)</font></strong>;
<a name="line1343">1343: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/PC/PCBJKOKKOSGetKSP.html">PCBJKOKKOSGetKSP</a>(<a href="../manualpages/PC/PC.html">PC</a>, <a href="../manualpages/KSP/KSP.html">KSP</a> *)</font></strong>;
<a name="line1345">1345: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/KSP/DMCopyDMKSP.html">DMCopyDMKSP</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/DM/DM.html">DM</a>)</font></strong>;
<a name="line1347">1347: </a>#include <A href="../include/petscdstypes.h.html"><petscdstypes.h></A>
<a name="line1348">1348: </a><strong><font color="#4169E1">PETSC_EXTERN <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DM/DMProjectField.html">DMProjectField</a>(<a href="../manualpages/DM/DM.html">DM</a>, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>, <a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a> **, <a href="../manualpages/Sys/InsertMode.html">InsertMode</a>, <a href="../manualpages/Vec/Vec.html">Vec</a>)</font></strong>;
</pre>
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