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<center><a href="https://gitlab.com/slepc/slepc/-/blob/bbccb785e5ebe6829936989c71776839602f087b/include/slepcst.h">Actual source code: slepcst.h</a></center><br>
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<a name="line1"> 1: </a><font color="#B22222">/*</font>
<a name="line2"> 2: </a><font color="#B22222"> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</font>
<a name="line3"> 3: </a><font color="#B22222"> SLEPc - Scalable Library for Eigenvalue Problem Computations</font>
<a name="line4"> 4: </a><font color="#B22222"> Copyright (c) 2002-, Universitat Politecnica de Valencia, Spain</font>
<a name="line6"> 6: </a><font color="#B22222"> This file is part of SLEPc.</font>
<a name="line7"> 7: </a><font color="#B22222"> SLEPc is distributed under a 2-clause BSD license (see LICENSE).</font>
<a name="line8"> 8: </a><font color="#B22222"> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</font>
<a name="line9"> 9: </a><font color="#B22222">*/</font>
<a name="line10"> 10: </a><font color="#B22222">/*</font>
<a name="line11"> 11: </a><font color="#B22222"> Spectral transformation module for eigenvalue problems</font>
<a name="line12"> 12: </a><font color="#B22222">*/</font>
<a name="line14"> 14: </a><font color="#A020F0">#pragma once</font>
<a name="line16"> 16: </a>#include <A href="../include/slepcsys.h.html"><slepcsys.h></A>
<a name="line17"> 17: </a>#include <A href="../include/slepcbv.h.html"><slepcbv.h></A>
<a name="line18"> 18: </a><font color="#A020F0">#include <petscksp.h></font>
<a name="line20"> 20: </a><font color="#B22222">/* SUBMANSEC = <a href="../manualpages/ST/ST.html">ST</a> */</font>
<a name="line22"> 22: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STInitializePackage.html">STInitializePackage</a>(void)</font></strong>;
<a name="line23"> 23: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFinalizePackage.html">STFinalizePackage</a>(void)</font></strong>;
<a name="line25"> 25: </a><font color="#B22222">/*S</font>
<a name="line26"> 26: </a><font color="#B22222"> <a href="../manualpages/ST/ST.html">ST</a> - Spectral transformation, encapsulates the functionality required</font>
<a name="line27"> 27: </a><font color="#B22222"> for acceleration techniques based on the transformation of the spectrum,</font>
<a name="line28"> 28: </a><font color="#B22222"> e.g., shift-and-invert.</font>
<a name="line30"> 30: </a><font color="#B22222"> Level: beginner</font>
<a name="line32"> 32: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STCreate.html">STCreate</a>()`</font>
<a name="line33"> 33: </a><font color="#B22222">S*/</font>
<a name="line34"> 34: </a><font color="#4169E1">typedef struct _p_ST* <a href="../manualpages/ST/ST.html">ST</a>;</font>
<a name="line36"> 36: </a><font color="#B22222">/*J</font>
<a name="line37"> 37: </a><font color="#B22222"> <a href="../manualpages/ST/STType.html">STType</a> - String with the name of the spectral transformation type.</font>
<a name="line39"> 39: </a><font color="#B22222"> Level: beginner</font>
<a name="line41"> 41: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/ST.html">ST</a>`, `<a href="../manualpages/ST/STSetType.html">STSetType</a>()`</font>
<a name="line42"> 42: </a><font color="#B22222">J*/</font>
<a name="line43"> 43: </a><font color="#4169E1">typedef const char *<a href="../manualpages/ST/STType.html">STType</a>;</font>
<a name="line44"> 44: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STSHIFT.html">STSHIFT</a> </font><font color="#666666">"shift"</font><font color="#228B22"></font></strong>
<a name="line45"> 45: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STSINVERT.html">STSINVERT</a> </font><font color="#666666">"sinvert"</font><font color="#228B22"></font></strong>
<a name="line46"> 46: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STCAYLEY.html">STCAYLEY</a> </font><font color="#666666">"cayley"</font><font color="#228B22"></font></strong>
<a name="line47"> 47: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STPRECOND.html">STPRECOND</a> </font><font color="#666666">"precond"</font><font color="#228B22"></font></strong>
<a name="line48"> 48: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STFILTER.html">STFILTER</a> </font><font color="#666666">"filter"</font><font color="#228B22"></font></strong>
<a name="line49"> 49: </a><strong><font color="#228B22">#define <a href="../manualpages/ST/STSHELL.html">STSHELL</a> </font><font color="#666666">"shell"</font><font color="#228B22"></font></strong>
<a name="line51"> 51: </a><font color="#B22222">/* Logging support */</font>
<a name="line52"> 52: </a>SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscClassId/">PetscClassId</a> ST_CLASSID;
<a name="line54"> 54: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STCreate.html">STCreate</a>(<a href="https://petsc.org/release/manualpages/Sys/MPI_Comm/">MPI_Comm</a>,<a href="../manualpages/ST/ST.html">ST</a>*)</font></strong>;
<a name="line55"> 55: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STDestroy.html">STDestroy</a>(<a href="../manualpages/ST/ST.html">ST</a>*)</font></strong>;
<a name="line56"> 56: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STReset.html">STReset</a>(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>;
<a name="line57"> 57: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetType.html">STSetType</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STType.html">STType</a>)</font></strong>;
<a name="line58"> 58: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetType.html">STGetType</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STType.html">STType</a>*)</font></strong>;
<a name="line59"> 59: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetMatrices.html">STSetMatrices</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>[])</font></strong>;
<a name="line60"> 60: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetMatrix.html">STGetMatrix</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line61"> 61: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetMatrixTransformed.html">STGetMatrixTransformed</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line62"> 62: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetNumMatrices.html">STGetNumMatrices</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*)</font></strong>;
<a name="line63"> 63: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetOperator.html">STGetOperator</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line64"> 64: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STRestoreOperator.html">STRestoreOperator</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line65"> 65: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetUp.html">STSetUp</a>(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>;
<a name="line66"> 66: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetFromOptions.html">STSetFromOptions</a>(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>;
<a name="line67"> 67: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STView.html">STView</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Viewer/PetscViewer/">PetscViewer</a>)</font></strong>;
<a name="line68"> 68: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STViewFromOptions.html">STViewFromOptions</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscObject/">PetscObject</a>,const char[])</font></strong>;
<a name="line70"> 70: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STSetMatrices.html">STSetMatrices</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STSetOperators(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a> n,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> *A) {<font color="#4169E1">return</font> <a href="../manualpages/ST/STSetMatrices.html">STSetMatrices</a>(st,n,A);}
<a name="line71"> 71: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STGetMatrix.html">STGetMatrix</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STGetOperators(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a> k,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> *A) {<font color="#4169E1">return</font> <a href="../manualpages/ST/STGetMatrix.html">STGetMatrix</a>(st,k,A);}
<a name="line72"> 72: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STGetMatrixTransformed.html">STGetMatrixTransformed</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STGetTOperators(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a> k,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> *A) {<font color="#4169E1">return</font> <a href="../manualpages/ST/STGetMatrixTransformed.html">STGetMatrixTransformed</a>(st,k,A);}
<a name="line73"> 73: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STGetOperator.html">STGetOperator</a>() followed by <a href="https://petsc.org/release/manualpages/Mat/MatComputeOperator/">MatComputeOperator</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STComputeExplicitOperator(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> *A)
<a name="line74"> 74: </a>{
<a name="line75"> 75: </a> <a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> Op;
<a name="line77"> 77: </a> <a href="https://petsc.org/release/manualpages/Sys/PetscFunctionBegin/">PetscFunctionBegin</a>;
<a name="line78"> 78: </a> <a href="https://petsc.org/release/manualpages/Sys/PetscCall/">PetscCall</a>(<a href="../manualpages/ST/STGetOperator.html">STGetOperator</a>(st,&Op));
<a name="line79"> 79: </a> <a href="https://petsc.org/release/manualpages/Sys/PetscCall/">PetscCall</a>(<a href="https://petsc.org/release/manualpages/Mat/MatComputeOperator/">MatComputeOperator</a>(Op,<a href="https://petsc.org/release/manualpages/Mat/MATAIJ/">MATAIJ</a>,A));
<a name="line80"> 80: </a> <a href="https://petsc.org/release/manualpages/Sys/PetscCall/">PetscCall</a>(<a href="../manualpages/ST/STRestoreOperator.html">STRestoreOperator</a>(st,&Op));
<a name="line81"> 81: </a> <a href="https://petsc.org/release/manualpages/Sys/PetscFunctionReturn/">PetscFunctionReturn</a>(PETSC_SUCCESS);
<a name="line82"> 82: </a>}
<a name="line84"> 84: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STApply.html">STApply</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line85"> 85: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STApplyMat.html">STApplyMat</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>)</font></strong>;
<a name="line86"> 86: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STApplyTranspose.html">STApplyTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line87"> 87: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STApplyHermitianTranspose.html">STApplyHermitianTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line88"> 88: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatMult.html">STMatMult</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line89"> 89: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatMultTranspose.html">STMatMultTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line90"> 90: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatMultHermitianTranspose.html">STMatMultHermitianTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line91"> 91: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatSolve.html">STMatSolve</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line92"> 92: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatSolveTranspose.html">STMatSolveTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line93"> 93: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatSolveHermitianTranspose.html">STMatSolveHermitianTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line94"> 94: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatMatSolve.html">STMatMatSolve</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>)</font></strong>;
<a name="line95"> 95: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetBilinearForm.html">STGetBilinearForm</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line96"> 96: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatSetUp.html">STMatSetUp</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>[])</font></strong>;
<a name="line97"> 97: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STPostSolve.html">STPostSolve</a>(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>;
<a name="line98"> 98: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STResetMatrixState.html">STResetMatrixState</a>(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>;
<a name="line99"> 99: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetWorkVecs.html">STSetWorkVecs</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>)</font></strong>;
<a name="line101">101: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetKSP.html">STSetKSP</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/KSP/KSP/">KSP</a>)</font></strong>;
<a name="line102">102: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetKSP.html">STGetKSP</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/KSP/KSP/">KSP</a>*)</font></strong>;
<a name="line103">103: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetShift.html">STSetShift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>)</font></strong>;
<a name="line104">104: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetShift.html">STGetShift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>*)</font></strong>;
<a name="line105">105: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetDefaultShift.html">STSetDefaultShift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>)</font></strong>;
<a name="line106">106: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STScaleShift.html">STScaleShift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>)</font></strong>;
<a name="line107">107: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetBalanceMatrix.html">STSetBalanceMatrix</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>)</font></strong>;
<a name="line108">108: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetBalanceMatrix.html">STGetBalanceMatrix</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>*)</font></strong>;
<a name="line109">109: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetTransform.html">STSetTransform</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>)</font></strong>;
<a name="line110">110: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetTransform.html">STGetTransform</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>*)</font></strong>;
<a name="line111">111: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetStructured.html">STSetStructured</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>)</font></strong>;
<a name="line112">112: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetStructured.html">STGetStructured</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>*)</font></strong>;
<a name="line114">114: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetOptionsPrefix.html">STSetOptionsPrefix</a>(<a href="../manualpages/ST/ST.html">ST</a>,const char[])</font></strong>;
<a name="line115">115: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STAppendOptionsPrefix.html">STAppendOptionsPrefix</a>(<a href="../manualpages/ST/ST.html">ST</a>,const char[])</font></strong>;
<a name="line116">116: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetOptionsPrefix.html">STGetOptionsPrefix</a>(<a href="../manualpages/ST/ST.html">ST</a>,const char*[])</font></strong>;
<a name="line118">118: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STBackTransform.html">STBackTransform</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>[],<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>[])</font></strong>;
<a name="line119">119: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STIsInjective.html">STIsInjective</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>*)</font></strong>;
<a name="line121">121: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STCheckNullSpace.html">STCheckNullSpace</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/BV/BV.html">BV</a>)</font></strong>;
<a name="line123">123: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetPreconditionerMat.html">STSetPreconditionerMat</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>)</font></strong>;
<a name="line124">124: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetPreconditionerMat.html">STGetPreconditionerMat</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line125">125: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetSplitPreconditioner.html">STSetSplitPreconditioner</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>[],<a href="https://petsc.org/release/manualpages/Mat/MatStructure/">MatStructure</a>)</font></strong>;
<a name="line126">126: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetSplitPreconditionerTerm.html">STGetSplitPreconditionerTerm</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a>*)</font></strong>;
<a name="line127">127: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetSplitPreconditionerInfo.html">STGetSplitPreconditionerInfo</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*,<a href="https://petsc.org/release/manualpages/Mat/MatStructure/">MatStructure</a>*)</font></strong>;
<a name="line129">129: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatCreateVecs.html">STMatCreateVecs</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>*,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>*)</font></strong>;
<a name="line130">130: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatCreateVecsEmpty.html">STMatCreateVecsEmpty</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>*,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a>*)</font></strong>;
<a name="line131">131: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatGetSize.html">STMatGetSize</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*)</font></strong>;
<a name="line132">132: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STMatGetLocalSize.html">STMatGetLocalSize</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*)</font></strong>;
<a name="line134">134: </a><font color="#B22222">/*E</font>
<a name="line135">135: </a><font color="#B22222"> <a href="../manualpages/ST/STMatMode.html">STMatMode</a> - Determines how to handle the coefficient matrix of the linear</font>
<a name="line136">136: </a><font color="#B22222"> system associated with the spectral transformation.</font>
<a name="line138">138: </a><font color="#B22222"> Values:</font>
<a name="line139">139: </a><font color="#B22222">+ `<a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a>` - the coefficient matrix is built explicitly on a copy of $A$</font>
<a name="line140">140: </a><font color="#B22222">. `<a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a>` - the coefficient matrix is built explicitly overwriting $A$</font>
<a name="line141">141: </a><font color="#B22222">- `<a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a>` - the coefficient matrix is handled implicitly</font>
<a name="line143">143: </a><font color="#B22222"> Level: intermediate</font>
<a name="line145">145: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>()`, `<a href="../manualpages/ST/STGetMatMode.html">STGetMatMode</a>()`</font>
<a name="line146">146: </a><font color="#B22222">E*/</font>
<a name="line147">147: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> { <a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a>,
<a name="line148">148: </a> <a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a>,
<a name="line149">149: </a> <a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a> } <a href="../manualpages/ST/STMatMode.html">STMatMode</a>;
<a name="line150">150: </a>SLEPC_EXTERN const char *STMatModes[];
<a name="line152">152: </a><font color="#B22222">/*MC</font>
<a name="line153">153: </a><font color="#B22222"> <a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a> - The coefficient matrix of the linear system, $A-\sigma B$, is</font>
<a name="line154">154: </a><font color="#B22222"> built explicitly on a copy of $A$.</font>
<a name="line156">156: </a><font color="#B22222"> Note:</font>
<a name="line157">157: </a><font color="#B22222"> If memory is an issue, one may prefer one of the other two modes.</font>
<a name="line159">159: </a><font color="#B22222"> Level: intermediate</font>
<a name="line161">161: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STMatMode.html">STMatMode</a>`, `<a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>()`, `<a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a>`, `<a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a>`</font>
<a name="line162">162: </a><font color="#B22222">M*/</font>
<a name="line164">164: </a><font color="#B22222">/*MC</font>
<a name="line165">165: </a><font color="#B22222"> <a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a> - The coefficient matrix of the linear system, $A-\sigma B$, is</font>
<a name="line166">166: </a><font color="#B22222"> built explicitly overwritting $A$.</font>
<a name="line168">168: </a><font color="#B22222"> Note:</font>
<a name="line169">169: </a><font color="#B22222"> This mode uses less memory than `<a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a>`, but it modifies $A$. This</font>
<a name="line170">170: </a><font color="#B22222"> alteration of $A$ is reversed after the eigensolution process has finished,</font>
<a name="line171">171: </a><font color="#B22222"> but due to roundoff, the result might not be exactly equal to the original $A$.</font>
<a name="line173">173: </a><font color="#B22222"> Level: intermediate</font>
<a name="line175">175: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STMatMode.html">STMatMode</a>`, `<a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>()`, `<a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a>`, `<a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a>`</font>
<a name="line176">176: </a><font color="#B22222">M*/</font>
<a name="line178">178: </a><font color="#B22222">/*MC</font>
<a name="line179">179: </a><font color="#B22222"> <a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a> - The coefficient matrix of the linear system, $A-\sigma B$, is</font>
<a name="line180">180: </a><font color="#B22222"> not built explicitly, and instead it is handled implicitly via a `<a href="https://petsc.org/release/manualpages/Mat/MATSHELL/">MATSHELL</a>`.</font>
<a name="line182">182: </a><font color="#B22222"> Note:</font>
<a name="line183">183: </a><font color="#B22222"> This mode severely restricts the number of possibilities available for solving</font>
<a name="line184">184: </a><font color="#B22222"> the linear system via `<a href="https://petsc.org/release/manualpages/KSP/KSP/">KSP</a>`.</font>
<a name="line186">186: </a><font color="#B22222"> Level: intermediate</font>
<a name="line188">188: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STMatMode.html">STMatMode</a>`, `<a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>()`, `<a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a>`, `<a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a>`</font>
<a name="line189">189: </a><font color="#B22222">M*/</font>
<a name="line191">191: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STMatMode.html">STMatMode</a>)</font></strong>;
<a name="line192">192: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetMatMode.html">STGetMatMode</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STMatMode.html">STMatMode</a>*)</font></strong>;
<a name="line193">193: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STSetMatStructure.html">STSetMatStructure</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/MatStructure/">MatStructure</a>)</font></strong>;
<a name="line194">194: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STGetMatStructure.html">STGetMatStructure</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Mat/MatStructure/">MatStructure</a>*)</font></strong>;
<a name="line196">196: </a>SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscFunctionList/">PetscFunctionList</a> STList;
<a name="line197">197: </a><strong><font color="#4169E1"><a name="STRegister"></a>SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STRegister.html">STRegister</a>(const char[],<a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a>(*)(<a href="../manualpages/ST/ST.html">ST</a>)</font></strong>);
<a name="line199">199: </a><font color="#B22222">/* --------- options specific to particular spectral transformations-------- */</font>
<a name="line201">201: </a><font color="#B22222">/*S</font>
<a name="line202">202: </a><font color="#B22222"> <a href="../manualpages/ST/STShellApplyFn.html">STShellApplyFn</a> - A prototype of a function for the user-defined `<a href="../manualpages/ST/STApply.html">STApply</a>()`</font>
<a name="line203">203: </a><font color="#B22222"> operation in an `<a href="../manualpages/ST/STSHELL.html">STSHELL</a>`.</font>
<a name="line205">205: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line206">206: </a><font color="#B22222">+ st - the spectral transformation context</font>
<a name="line207">207: </a><font color="#B22222">. xin - input vector</font>
<a name="line208">208: </a><font color="#B22222">- xout - output vector</font>
<a name="line210">210: </a><font color="#B22222"> Level: advanced</font>
<a name="line212">212: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STShellSetApply.html">STShellSetApply</a>()`, `<a href="../manualpages/ST/STApply.html">STApply</a>()`</font>
<a name="line213">213: </a><font color="#B22222">S*/</font>
<a name="line214">214: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellApplyFn.html">STShellApplyFn</a>(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xin,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xout)</font></strong>;
<a name="line216">216: </a><font color="#B22222">/*S</font>
<a name="line217">217: </a><font color="#B22222"> <a href="../manualpages/ST/STShellApplyTransposeFn.html">STShellApplyTransposeFn</a> - A prototype of a function for the user-defined `<a href="../manualpages/ST/STApplyTranspose.html">STApplyTranspose</a>()`</font>
<a name="line218">218: </a><font color="#B22222"> operation in an `<a href="../manualpages/ST/STSHELL.html">STSHELL</a>`.</font>
<a name="line220">220: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line221">221: </a><font color="#B22222">+ st - the spectral transformation context</font>
<a name="line222">222: </a><font color="#B22222">. xin - input vector</font>
<a name="line223">223: </a><font color="#B22222">- xout - output vector</font>
<a name="line225">225: </a><font color="#B22222"> Level: advanced</font>
<a name="line227">227: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STShellSetApplyTranspose.html">STShellSetApplyTranspose</a>()`, `<a href="../manualpages/ST/STApplyTranspose.html">STApplyTranspose</a>()`</font>
<a name="line228">228: </a><font color="#B22222">S*/</font>
<a name="line229">229: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellApplyTransposeFn.html">STShellApplyTransposeFn</a>(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xin,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xout)</font></strong>;
<a name="line231">231: </a><font color="#B22222">/*S</font>
<a name="line232">232: </a><font color="#B22222"> <a href="../manualpages/ST/STShellApplyHermitianTransposeFn.html">STShellApplyHermitianTransposeFn</a> - A prototype of a function for the user-defined</font>
<a name="line233">233: </a><font color="#B22222"> `<a href="../manualpages/ST/STApplyHermitianTranspose.html">STApplyHermitianTranspose</a>()` operation in an `<a href="../manualpages/ST/STSHELL.html">STSHELL</a>`.</font>
<a name="line235">235: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line236">236: </a><font color="#B22222">+ st - the spectral transformation context</font>
<a name="line237">237: </a><font color="#B22222">. xin - input vector</font>
<a name="line238">238: </a><font color="#B22222">- xout - output vector</font>
<a name="line240">240: </a><font color="#B22222"> Level: advanced</font>
<a name="line242">242: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STShellSetApplyHermitianTranspose.html">STShellSetApplyHermitianTranspose</a>()`, `<a href="../manualpages/ST/STApplyHermitianTranspose.html">STApplyHermitianTranspose</a>()`</font>
<a name="line243">243: </a><font color="#B22222">S*/</font>
<a name="line244">244: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellApplyHermitianTransposeFn.html">STShellApplyHermitianTransposeFn</a>(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xin,<a href="https://petsc.org/release/manualpages/Vec/Vec/">Vec</a> xout)</font></strong>;
<a name="line246">246: </a><font color="#B22222">/*S</font>
<a name="line247">247: </a><font color="#B22222"> <a href="../manualpages/ST/STShellBackTransformFn.html">STShellBackTransformFn</a> - A prototype of a function for the user-defined `<a href="../manualpages/ST/STBackTransform.html">STBackTransform</a>()`</font>
<a name="line248">248: </a><font color="#B22222"> operation in an `<a href="../manualpages/ST/STSHELL.html">STSHELL</a>`.</font>
<a name="line250">250: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line251">251: </a><font color="#B22222">+ st - the spectral transformation context</font>
<a name="line252">252: </a><font color="#B22222">. n - number of eigenvalues to be backtransformed</font>
<a name="line253">253: </a><font color="#B22222">. eigr - pointer to the real parts of the eigenvalues to transform back</font>
<a name="line254">254: </a><font color="#B22222">- eigi - pointer to the imaginary parts</font>
<a name="line256">256: </a><font color="#B22222"> Level: advanced</font>
<a name="line258">258: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STShellSetBackTransform.html">STShellSetBackTransform</a>()`, `<a href="../manualpages/ST/STBackTransform.html">STBackTransform</a>()`</font>
<a name="line259">259: </a><font color="#B22222">S*/</font>
<a name="line260">260: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellBackTransformFn.html">STShellBackTransformFn</a>(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a> n,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a> *eigr,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a> *eigi)</font></strong>;
<a name="line262">262: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellGetContext.html">STShellGetContext</a>(<a href="../manualpages/ST/ST.html">ST</a>,void*)</font></strong>;
<a name="line263">263: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellSetContext.html">STShellSetContext</a>(<a href="../manualpages/ST/ST.html">ST</a>,void*)</font></strong>;
<a name="line264">264: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellSetApply.html">STShellSetApply</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STShellApplyFn.html">STShellApplyFn</a>*)</font></strong>;
<a name="line265">265: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellSetApplyTranspose.html">STShellSetApplyTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STShellApplyTransposeFn.html">STShellApplyTransposeFn</a>*)</font></strong>;
<a name="line266">266: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellSetApplyHermitianTranspose.html">STShellSetApplyHermitianTranspose</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STShellApplyHermitianTransposeFn.html">STShellApplyHermitianTransposeFn</a>*)</font></strong>;
<a name="line267">267: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STShellSetBackTransform.html">STShellSetBackTransform</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STShellBackTransformFn.html">STShellBackTransformFn</a>*)</font></strong>;
<a name="line269">269: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STCayleyGetAntishift.html">STCayleyGetAntishift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>*)</font></strong>;
<a name="line270">270: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STCayleySetAntishift.html">STCayleySetAntishift</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscScalar/">PetscScalar</a>)</font></strong>;
<a name="line272">272: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STGetPreconditionerMat.html">STGetPreconditionerMat</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STPrecondGetMatForPC(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> *A) {<font color="#4169E1">return</font> <a href="../manualpages/ST/STGetPreconditionerMat.html">STGetPreconditionerMat</a>(st,A);}
<a name="line273">273: </a>PETSC_DEPRECATED_FUNCTION(3, 15, 0, <font color="#666666">"<a href="../manualpages/ST/STSetPreconditionerMat.html">STSetPreconditionerMat</a>()"</font>, ) static inline <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> STPrecondSetMatForPC(<a href="../manualpages/ST/ST.html">ST</a> st,<a href="https://petsc.org/release/manualpages/Mat/Mat/">Mat</a> A) {<font color="#4169E1">return</font> <a href="../manualpages/ST/STSetPreconditionerMat.html">STSetPreconditionerMat</a>(st,A);}
<a name="line274">274: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STPrecondGetKSPHasMat.html">STPrecondGetKSPHasMat</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>*)</font></strong>;
<a name="line275">275: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STPrecondSetKSPHasMat.html">STPrecondSetKSPHasMat</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscBool/">PetscBool</a>)</font></strong>;
<a name="line277">277: </a><font color="#B22222">/*E</font>
<a name="line278">278: </a><font color="#B22222"> <a href="../manualpages/ST/STFilterType.html">STFilterType</a> - Selects the method used to build the filter.</font>
<a name="line280">280: </a><font color="#B22222"> Values:</font>
<a name="line281">281: </a><font color="#B22222">+ `<a href="../manualpages/ST/ST_FILTER_FILTLAN.html">ST_FILTER_FILTLAN</a>` - the filter is built with FILTLAN (Filtered Lanczos)</font>
<a name="line282">282: </a><font color="#B22222">- `<a href="../manualpages/ST/ST_FILTER_CHEBYSHEV.html">ST_FILTER_CHEBYSHEV</a>` - the filter is built with a Chebyshev series</font>
<a name="line284">284: </a><font color="#B22222"> Level: intermediate</font>
<a name="line286">286: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STFilterSetType.html">STFilterSetType</a>()`, `STGetFilterType()`</font>
<a name="line287">287: </a><font color="#B22222">E*/</font>
<a name="line288">288: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> { <a href="../manualpages/ST/ST_FILTER_FILTLAN.html">ST_FILTER_FILTLAN</a> = 1,
<a name="line289">289: </a> <a href="../manualpages/ST/ST_FILTER_CHEBYSHEV.html">ST_FILTER_CHEBYSHEV</a> = 2 } <a href="../manualpages/ST/STFilterType.html">STFilterType</a>;
<a name="line290">290: </a>SLEPC_EXTERN const char *STFilterTypes[];
<a name="line292">292: </a><font color="#B22222">/*MC</font>
<a name="line293">293: </a><font color="#B22222"> <a href="../manualpages/ST/ST_FILTER_FILTLAN.html">ST_FILTER_FILTLAN</a> - The polynomial filter is built with FILTLAN (Filtered Lanczos).</font>
<a name="line295">295: </a><font color="#B22222"> Note:</font>
<a name="line296">296: </a><font color="#B22222"> This filter implements the Filtered Lanczos method {cite:p}`Fan12`. In fact,</font>
<a name="line297">297: </a><font color="#B22222"> the implementation adapts files from the FILTLAN package by the same authors,</font>
<a name="line298">298: </a><font color="#B22222"> which have been converted for a native integration in SLEPc.</font>
<a name="line300">300: </a><font color="#B22222"> Level: intermediate</font>
<a name="line302">302: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STFilterType.html">STFilterType</a>`, `<a href="../manualpages/ST/STFilterSetType.html">STFilterSetType</a>()`, `<a href="../manualpages/ST/ST_FILTER_CHEBYSHEV.html">ST_FILTER_CHEBYSHEV</a>`</font>
<a name="line303">303: </a><font color="#B22222">M*/</font>
<a name="line305">305: </a><font color="#B22222">/*MC</font>
<a name="line306">306: </a><font color="#B22222"> <a href="../manualpages/ST/ST_FILTER_CHEBYSHEV.html">ST_FILTER_CHEBYSHEV</a> - The filter is based on a truncated Chebyshev series.</font>
<a name="line308">308: </a><font color="#B22222"> Note:</font>
<a name="line309">309: </a><font color="#B22222"> The application of the filter is implemented by means of a Clenshaw</font>
<a name="line310">310: </a><font color="#B22222"> algorithm. This filter also supports using damping, see `<a href="../manualpages/ST/STFilterSetDamping.html">STFilterSetDamping</a>()`.</font>
<a name="line312">312: </a><font color="#B22222"> Level: intermediate</font>
<a name="line314">314: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STFilterType.html">STFilterType</a>`, `STSetFilterType()`, `<a href="../manualpages/ST/STFilterSetDamping.html">STFilterSetDamping</a>()`, `<a href="../manualpages/ST/ST_FILTER_FILTLAN.html">ST_FILTER_FILTLAN</a>`</font>
<a name="line315">315: </a><font color="#B22222">M*/</font>
<a name="line317">317: </a><font color="#B22222">/*E</font>
<a name="line318">318: </a><font color="#B22222"> <a href="../manualpages/ST/STFilterDamping.html">STFilterDamping</a> - The damping type used to build the filter.</font>
<a name="line320">320: </a><font color="#B22222"> Values:</font>
<a name="line321">321: </a><font color="#B22222">+ `<a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_NONE</a>` - no damping</font>
<a name="line322">322: </a><font color="#B22222">. `<a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_JACKSON</a>` - Jackson damping</font>
<a name="line323">323: </a><font color="#B22222">. `<a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_LANCZOS</a>` - Lanczos damping</font>
<a name="line324">324: </a><font color="#B22222">- `<a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_FEJER</a>` - Fejer damping</font>
<a name="line326">326: </a><font color="#B22222"> Notes:</font>
<a name="line327">327: </a><font color="#B22222"> The default is no damping.</font>
<a name="line329">329: </a><font color="#B22222"> For the definition of the damping coefficients, see for instance {cite:p}`Pie16`</font>
<a name="line331">331: </a><font color="#B22222"> Level: advanced</font>
<a name="line333">333: </a><font color="#B22222">.seealso: [](ch:st), `STSetFilterDamping()`, `STGetFilterDamping()`</font>
<a name="line334">334: </a><font color="#B22222">E*/</font>
<a name="line335">335: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> { <a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_NONE</a>,
<a name="line336">336: </a> <a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_JACKSON</a>,
<a name="line337">337: </a> <a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_LANCZOS</a>,
<a name="line338">338: </a> <a href="../manualpages/ST/STFilterDamping.html">ST_FILTER_DAMPING_FEJER</a> } <a href="../manualpages/ST/STFilterDamping.html">STFilterDamping</a>;
<a name="line339">339: </a>SLEPC_EXTERN const char *STFilterDampings[];
<a name="line341">341: </a><font color="#B22222">/*MC</font>
<a name="line342">342: </a><font color="#B22222"> <a href="../manualpages/ST/ST_MATMODE_COPY.html">ST_MATMODE_COPY</a> - The coefficient matrix of the linear system, $A-\sigma B$, is</font>
<a name="line343">343: </a><font color="#B22222"> built explicitly on a copy of $A$.</font>
<a name="line345">345: </a><font color="#B22222"> Note:</font>
<a name="line346">346: </a><font color="#B22222"> If memory is an issue, one may prefer one of the other two modes.</font>
<a name="line348">348: </a><font color="#B22222"> Level: intermediate</font>
<a name="line350">350: </a><font color="#B22222">.seealso: [](ch:st), `<a href="../manualpages/ST/STMatMode.html">STMatMode</a>`, `<a href="../manualpages/ST/STSetMatMode.html">STSetMatMode</a>()`, `<a href="../manualpages/ST/ST_MATMODE_INPLACE.html">ST_MATMODE_INPLACE</a>`, `<a href="../manualpages/ST/ST_MATMODE_SHELL.html">ST_MATMODE_SHELL</a>`</font>
<a name="line351">351: </a><font color="#B22222">M*/</font>
<a name="line353">353: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterSetType.html">STFilterSetType</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STFilterType.html">STFilterType</a>)</font></strong>;
<a name="line354">354: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetType.html">STFilterGetType</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STFilterType.html">STFilterType</a>*)</font></strong>;
<a name="line355">355: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterSetInterval.html">STFilterSetInterval</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>)</font></strong>;
<a name="line356">356: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetInterval.html">STFilterGetInterval</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>*,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>*)</font></strong>;
<a name="line357">357: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterSetRange.html">STFilterSetRange</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>)</font></strong>;
<a name="line358">358: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetRange.html">STFilterGetRange</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>*,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>*)</font></strong>;
<a name="line359">359: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterSetDegree.html">STFilterSetDegree</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>)</font></strong>;
<a name="line360">360: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetDegree.html">STFilterGetDegree</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscInt/">PetscInt</a>*)</font></strong>;
<a name="line361">361: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetThreshold.html">STFilterGetThreshold</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="https://petsc.org/release/manualpages/Sys/PetscReal/">PetscReal</a>*)</font></strong>;
<a name="line362">362: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterSetDamping.html">STFilterSetDamping</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STFilterDamping.html">STFilterDamping</a>)</font></strong>;
<a name="line363">363: </a><strong><font color="#4169E1">SLEPC_EXTERN <a href="https://petsc.org/release/manualpages/Sys/PetscErrorCode/">PetscErrorCode</a> <a href="../manualpages/ST/STFilterGetDamping.html">STFilterGetDamping</a>(<a href="../manualpages/ST/ST.html">ST</a>,<a href="../manualpages/ST/STFilterDamping.html">STFilterDamping</a>*)</font></strong>;
</pre>
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