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<center><a href="https://gitlab.com/petsc/petsc/-/blob/b522cb8c110832b61be366220eb7433134308289/include/petscdstypes.h">Actual source code: petscdstypes.h</a></center><br>
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<a name="line1"> 1: </a><font color="#A020F0">#pragma once</font>
<a name="line3"> 3: </a>#include <A href="../include/petscdmlabel.h.html"><petscdmlabel.h></A>
<a name="line5"> 5: </a><font color="#B22222">/* MANSEC = <a href="../manualpages/DM/DM.html">DM</a> */</font>
<a name="line6"> 6: </a><font color="#B22222">/* SUBMANSEC = DT */</font>
<a name="line8"> 8: </a><font color="#B22222">/*S</font>
<a name="line9"> 9: </a><font color="#B22222"> <a href="../manualpages/DT/PetscDS.html">PetscDS</a> - PETSc object that manages a discrete system, which is a set of discretizations + continuum equations from a `<a href="../manualpages/DT/PetscWeakForm.html">PetscWeakForm</a>`</font>
<a name="line11"> 11: </a><font color="#B22222"> Level: intermediate</font>
<a name="line13"> 13: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscDSCreate.html">PetscDSCreate</a>()`, `<a href="../manualpages/DT/PetscDSSetType.html">PetscDSSetType</a>()`, `<a href="../manualpages/DT/PetscDSType.html">PetscDSType</a>`, `<a href="../manualpages/DT/PetscWeakForm.html">PetscWeakForm</a>`, `<a href="../manualpages/FE/PetscFECreate.html">PetscFECreate</a>()`, `<a href="../manualpages/FV/PetscFVCreate.html">PetscFVCreate</a>()`</font>
<a name="line14"> 14: </a><font color="#B22222">S*/</font>
<a name="line15"> 15: </a><font color="#4169E1">typedef struct _p_PetscDS *<a href="../manualpages/DT/PetscDS.html">PetscDS</a>;</font>
<a name="line17"> 17: </a><font color="#B22222">/*S</font>
<a name="line18"> 18: </a><font color="#B22222"> <a href="../manualpages/DT/PetscWeakForm.html">PetscWeakForm</a> - PETSc object that manages a sets of pointwise functions defining a system of equations</font>
<a name="line20"> 20: </a><font color="#B22222"> Level: intermediate</font>
<a name="line22"> 22: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscWeakFormCreate.html">PetscWeakFormCreate</a>()`, `<a href="../manualpages/DT/PetscDS.html">PetscDS</a>`, `<a href="../manualpages/FE/PetscFECreate.html">PetscFECreate</a>()`, `<a href="../manualpages/FV/PetscFVCreate.html">PetscFVCreate</a>()`</font>
<a name="line23"> 23: </a><font color="#B22222">S*/</font>
<a name="line24"> 24: </a><font color="#4169E1">typedef struct _p_PetscWeakForm *<a href="../manualpages/DT/PetscWeakForm.html">PetscWeakForm</a>;</font>
<a name="line26"> 26: </a><font color="#B22222">/*S</font>
<a name="line27"> 27: </a><font color="#B22222"> <a href="../manualpages/DT/PetscFormKey.html">PetscFormKey</a> - This key indicates how to use a set of pointwise functions defining part of a system of equations</font>
<a name="line29"> 29: </a><font color="#B22222"> The subdomain on which to integrate is specified by (label, value), the test function field by (field), and the</font>
<a name="line30"> 30: </a><font color="#B22222"> piece of the equation by (part). For example, LHS = 0 and RHS = 1 in IMEX methods. More pieces can be present for</font>
<a name="line31"> 31: </a><font color="#B22222"> operator splitting methods.</font>
<a name="line33"> 33: </a><font color="#B22222"> Level: intermediate</font>
<a name="line35"> 35: </a><font color="#B22222"> Note:</font>
<a name="line36"> 36: </a><font color="#B22222"> This is a struct, not a `<a href="../manualpages/Sys/PetscObject.html">PetscObject</a>`</font>
<a name="line38"> 38: </a><font color="#B22222">.seealso: `<a href="../manualpages/SNES/DMPlexSNESComputeResidualFEM.html">DMPlexSNESComputeResidualFEM</a>()`, `<a href="../manualpages/SNES/DMPlexSNESComputeJacobianFEM.html">DMPlexSNESComputeJacobianFEM</a>()`, `<a href="../manualpages/SNES/DMPlexSNESComputeBoundaryFEM.html">DMPlexSNESComputeBoundaryFEM</a>()`</font>
<a name="line39"> 39: </a><font color="#B22222">S*/</font>
<a name="line40"> 40: </a><font color="#4169E1">typedef</font> <font color="#4169E1">struct</font> {
<a name="line41"> 41: </a> <a href="../manualpages/DM/DMLabel.html">DMLabel</a> label; <font color="#B22222">/* The (label, value) select a subdomain */</font>
<a name="line42"> 42: </a> <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> value;
<a name="line43"> 43: </a> <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> field; <font color="#B22222">/* Selects the field for the test function */</font>
<a name="line44"> 44: </a> <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> part; <font color="#B22222">/* Selects the equation part. For example, LHS = 0 and RHS = 1 in IMEX methods. More pieces can be present for operator splitting methods. */</font>
<a name="line45"> 45: </a>} <a href="../manualpages/DT/PetscFormKey.html">PetscFormKey</a>;
<a name="line47"> 47: </a><font color="#B22222">/*E</font>
<a name="line48"> 48: </a><font color="#B22222"> <a href="../manualpages/DT/PetscWeakFormKind.html">PetscWeakFormKind</a> - The kind of weak form. The specific forms are given in the documentation for the integraton functions.</font>
<a name="line50"> 50: </a><font color="#B22222"> Values:</font>
<a name="line51"> 51: </a><font color="#B22222">+ OBJECTIVE - Objective form</font>
<a name="line52"> 52: </a><font color="#B22222">. F0, F1 - Residual forms</font>
<a name="line53"> 53: </a><font color="#B22222">. G0, G1, G2, G3 - Jacobian forms</font>
<a name="line54"> 54: </a><font color="#B22222">. GP0, GP1, GP2, GP3 - Jacobian forms used to construct the preconditioner</font>
<a name="line55"> 55: </a><font color="#B22222">. GT0, GT1, GT2, GT3 - Dynamic Jacobian matrix forms</font>
<a name="line56"> 56: </a><font color="#B22222">. BDF0, BDF1 - Boundary Residual forms</font>
<a name="line57"> 57: </a><font color="#B22222">. BDG0, BDG1, BDG2, BDG3 - Jacobian forms</font>
<a name="line58"> 58: </a><font color="#B22222">. BDGP0, BDGP1, BDGP2, BDGP3 - Jacobian forms used to construct the preconditioner</font>
<a name="line59"> 59: </a><font color="#B22222">. R - Riemann solver</font>
<a name="line60"> 60: </a><font color="#B22222">- CEED - libCEED QFunction</font>
<a name="line62"> 62: </a><font color="#B22222"> Level: beginner</font>
<a name="line64"> 64: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscWeakForm.html">PetscWeakForm</a>`, `<a href="../manualpages/FE/PetscFEIntegrateResidual.html">PetscFEIntegrateResidual</a>()`, `<a href="../manualpages/FE/PetscFEIntegrateJacobian.html">PetscFEIntegrateJacobian</a>()`, `<a href="../manualpages/FE/PetscFEIntegrateBdResidual.html">PetscFEIntegrateBdResidual</a>()`, `<a href="../manualpages/FE/PetscFEIntegrateBdJacobian.html">PetscFEIntegrateBdJacobian</a>()`,</font>
<a name="line65"> 65: </a><font color="#B22222"> `<a href="../manualpages/FV/PetscFVIntegrateRHSFunction.html">PetscFVIntegrateRHSFunction</a>()`, `PetscWeakFormSetIndexResidual()`, `PetscWeakFormClearIndex()`</font>
<a name="line66"> 66: </a><font color="#B22222">E*/</font>
<a name="line67"> 67: </a><font color="#4169E1">typedef</font> <font color="#4169E1">enum</font> {
<a name="line68"> 68: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_OBJECTIVE</a>,
<a name="line69"> 69: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_F0</a>,
<a name="line70"> 70: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_F1</a>,
<a name="line71"> 71: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_G0</a>,
<a name="line72"> 72: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_G1</a>,
<a name="line73"> 73: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_G2</a>,
<a name="line74"> 74: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_G3</a>,
<a name="line75"> 75: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GP0</a>,
<a name="line76"> 76: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GP1</a>,
<a name="line77"> 77: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GP2</a>,
<a name="line78"> 78: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GP3</a>,
<a name="line79"> 79: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GT0</a>,
<a name="line80"> 80: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GT1</a>,
<a name="line81"> 81: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GT2</a>,
<a name="line82"> 82: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_GT3</a>,
<a name="line83"> 83: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDF0</a>,
<a name="line84"> 84: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDF1</a>,
<a name="line85"> 85: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDG0</a>,
<a name="line86"> 86: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDG1</a>,
<a name="line87"> 87: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDG2</a>,
<a name="line88"> 88: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDG3</a>,
<a name="line89"> 89: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDGP0</a>,
<a name="line90"> 90: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDGP1</a>,
<a name="line91"> 91: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDGP2</a>,
<a name="line92"> 92: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_BDGP3</a>,
<a name="line93"> 93: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_R</a>,
<a name="line94"> 94: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_WF_CEED</a>,
<a name="line95"> 95: </a> <a href="../manualpages/DT/PetscWeakFormKind.html">PETSC_NUM_WF</a>
<a name="line96"> 96: </a>} <a href="../manualpages/DT/PetscWeakFormKind.html">PetscWeakFormKind</a>;
<a name="line97"> 97: </a>PETSC_EXTERN const char *const PetscWeakFormKinds[];
<a name="line99"> 99: </a><font color="#B22222">/*S</font>
<a name="line100">100: </a><font color="#B22222"> <a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a> - A prototype of a pointwise function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetObjective.html">PetscDSSetObjective</a>()`</font>
<a name="line102">102: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line103">103: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line104">104: </a><font color="#B22222">. Nf - the number of fields</font>
<a name="line105">105: </a><font color="#B22222">. NfAux - the number of auxiliary fields</font>
<a name="line106">106: </a><font color="#B22222">. uOff - the offset into `u`[] and `u_t`[] for each field</font>
<a name="line107">107: </a><font color="#B22222">. uOff_x - the offset into `u_x`[] for each field</font>
<a name="line108">108: </a><font color="#B22222">. u - each field evaluated at the current point</font>
<a name="line109">109: </a><font color="#B22222">. u_t - the time derivative of each field evaluated at the current point</font>
<a name="line110">110: </a><font color="#B22222">. u_x - the gradient of each field evaluated at the current point</font>
<a name="line111">111: </a><font color="#B22222">. aOff - the offset into `a`[] and `a_t`[] for each auxiliary field</font>
<a name="line112">112: </a><font color="#B22222">. aOff_x - the offset into `a_x`[] for each auxiliary field</font>
<a name="line113">113: </a><font color="#B22222">. a - each auxiliary field evaluated at the current point</font>
<a name="line114">114: </a><font color="#B22222">. a_t - the time derivative of each auxiliary field evaluated at the current point</font>
<a name="line115">115: </a><font color="#B22222">. a_x - the gradient of auxiliary each field evaluated at the current point</font>
<a name="line116">116: </a><font color="#B22222">. t - current time</font>
<a name="line117">117: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line118">118: </a><font color="#B22222">. numConstants - number of constant parameters</font>
<a name="line119">119: </a><font color="#B22222">. constants - constant parameters</font>
<a name="line120">120: </a><font color="#B22222">- obj - output values at the current point</font>
<a name="line122">122: </a><font color="#B22222"> Level: beginner</font>
<a name="line124">124: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetObjective.html">PetscDSSetObjective</a>()`, `<a href="../manualpages/DT/PetscDSGetObjective.html">PetscDSGetObjective</a>()`, <a href="../manualpages/DT/PetscDSGetResidual.html">PetscDSGetResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetResidual.html">PetscDSSetResidual</a>()`,</font>
<a name="line125">125: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetUpdate.html">PetscDSSetUpdate</a>()`, `<a href="../manualpages/DT/PetscDSGetUpdate.html">PetscDSGetUpdate</a>()`, `<a href="../manualpages/DMPlex/DMPlexSetCoordinateMap.html">DMPlexSetCoordinateMap</a>()`</font>
<a name="line126">126: </a><font color="#B22222">S*/</font>
<a name="line127">127: </a><strong><font color="#4169E1">typedef void <a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nf, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> NfAux, const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_x[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_x[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> X[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> numConstants, const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> constants[], <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> result[])</font></strong>;
<a name="line129">129: </a><font color="#B22222">/*S</font>
<a name="line130">130: </a><font color="#B22222"> <a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a> - A prototype of a pointwise function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetJacobian.html">PetscDSSetJacobian</a>()` for computing Jacobians</font>
<a name="line132">132: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line133">133: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line134">134: </a><font color="#B22222">. Nf - the number of fields</font>
<a name="line135">135: </a><font color="#B22222">. NfAux - the number of auxiliary fields</font>
<a name="line136">136: </a><font color="#B22222">. uOff - the offset into `u`[] and `u_t`[] for each field</font>
<a name="line137">137: </a><font color="#B22222">. uOff_x - the offset into `u_x`[] for each field</font>
<a name="line138">138: </a><font color="#B22222">. u - each field evaluated at the current point</font>
<a name="line139">139: </a><font color="#B22222">. u_t - the time derivative of each field evaluated at the current point</font>
<a name="line140">140: </a><font color="#B22222">. u_x - the gradient of each field evaluated at the current point</font>
<a name="line141">141: </a><font color="#B22222">. aOff - the offset into `a`[] and `a_t`[] for each auxiliary field</font>
<a name="line142">142: </a><font color="#B22222">. aOff_x - the offset into a_`x`[] for each auxiliary field</font>
<a name="line143">143: </a><font color="#B22222">. a - each auxiliary field evaluated at the current point</font>
<a name="line144">144: </a><font color="#B22222">. a_t - the time derivative of each auxiliary field evaluated at the current point</font>
<a name="line145">145: </a><font color="#B22222">. a_x - the gradient of auxiliary each field evaluated at the current point</font>
<a name="line146">146: </a><font color="#B22222">. t - current time</font>
<a name="line147">147: </a><font color="#B22222">. u_tShift - the multiplier `a` for $dF/dU_t$</font>
<a name="line148">148: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line149">149: </a><font color="#B22222">. numConstants - number of constant parameters</font>
<a name="line150">150: </a><font color="#B22222">. constants - constant parameters</font>
<a name="line151">151: </a><font color="#B22222">- g - output values at the current point</font>
<a name="line153">153: </a><font color="#B22222"> Level: beginner</font>
<a name="line155">155: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetJacobian.html">PetscDSSetJacobian</a>()`, `<a href="../manualpages/DT/PetscDSGetJacobian.html">PetscDSGetJacobian</a>()`, <a href="../manualpages/DT/PetscDSSetJacobianPreconditioner.html">PetscDSSetJacobianPreconditioner</a>()`, `<a href="../manualpages/DT/PetscDSGetJacobianPreconditioner.html">PetscDSGetJacobianPreconditioner</a>()`,</font>
<a name="line156">156: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSSetDynamicJacobian.html">PetscDSSetDynamicJacobian</a>()`, `<a href="../manualpages/DT/PetscDSGetDynamicJacobian.html">PetscDSGetDynamicJacobian</a>()`</font>
<a name="line157">157: </a><font color="#B22222">S*/</font>
<a name="line158">158: </a><strong><font color="#4169E1">typedef void <a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nf, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> NfAux, const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_x[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_x[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> u_tShift, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> numConstants, const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> constants[], <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> g[])</font></strong>;
<a name="line160">160: </a><font color="#B22222">/*S</font>
<a name="line161">161: </a><font color="#B22222"> <a href="../manualpages/DT/PetscBdPointFn.html">PetscBdPointFn</a> - A prototype of a pointwise boundary function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetBdResidual.html">PetscDSSetBdResidual</a>()`</font>
<a name="line163">163: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line164">164: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line165">165: </a><font color="#B22222">. Nf - the number of fields</font>
<a name="line166">166: </a><font color="#B22222">. NfAux - the number of auxiliary fields</font>
<a name="line167">167: </a><font color="#B22222">. uOff - the offset into `u`[] and `u_t`[] for each field</font>
<a name="line168">168: </a><font color="#B22222">. uOff_x - the offset into `u_x`[] for each field</font>
<a name="line169">169: </a><font color="#B22222">. u - each field evaluated at the current point</font>
<a name="line170">170: </a><font color="#B22222">. u_t - the time derivative of each field evaluated at the current point</font>
<a name="line171">171: </a><font color="#B22222">. u_x - the gradient of each field evaluated at the current point</font>
<a name="line172">172: </a><font color="#B22222">. aOff - the offset into `a`[] and `a_t`[] for each auxiliary field</font>
<a name="line173">173: </a><font color="#B22222">. aOff_x - the offset into `a_x`[] for each auxiliary field</font>
<a name="line174">174: </a><font color="#B22222">. a - each auxiliary field evaluated at the current point</font>
<a name="line175">175: </a><font color="#B22222">. a_t - the time derivative of each auxiliary field evaluated at the current point</font>
<a name="line176">176: </a><font color="#B22222">. a_x - the gradient of auxiliary each field evaluated at the current point</font>
<a name="line177">177: </a><font color="#B22222">. t - current time</font>
<a name="line178">178: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line179">179: </a><font color="#B22222">. n - unit normal at the current point</font>
<a name="line180">180: </a><font color="#B22222">. numConstants - number of constant parameters</font>
<a name="line181">181: </a><font color="#B22222">. constants - constant parameters</font>
<a name="line182">182: </a><font color="#B22222">- f - output values at the current point</font>
<a name="line184">184: </a><font color="#B22222"> Level: beginner</font>
<a name="line186">186: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetBdResidual.html">PetscDSSetBdResidual</a>()`, `<a href="../manualpages/DT/PetscDSGetBdResidual.html">PetscDSGetBdResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetObjective.html">PetscDSSetObjective</a>()`, `<a href="../manualpages/DT/PetscDSGetObjective.html">PetscDSGetObjective</a>()`, <a href="../manualpages/DT/PetscDSGetResidual.html">PetscDSGetResidual</a>()`,</font>
<a name="line187">187: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetUpdate.html">PetscDSSetUpdate</a>()`, `<a href="../manualpages/DT/PetscDSGetUpdate.html">PetscDSGetUpdate</a>()`, `<a href="../manualpages/DMPlex/DMPlexSetCoordinateMap.html">DMPlexSetCoordinateMap</a>()`,</font>
<a name="line188">188: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSSetResidual.html">PetscDSSetResidual</a>()`, `<a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a>`</font>
<a name="line189">189: </a><font color="#B22222">S*/</font>
<a name="line190">190: </a><strong><font color="#4169E1">typedef void <a href="../manualpages/DT/PetscBdPointFn.html">PetscBdPointFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nf, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> NfAux, const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_x[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_x[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> n[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> numConstants, const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> constants[], <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> f[])</font></strong>;
<a name="line192">192: </a><font color="#B22222">/*S</font>
<a name="line193">193: </a><font color="#B22222"> <a href="../manualpages/DT/PetscBdPointJacFn.html">PetscBdPointJacFn</a> - A prototype of a pointwise boundary function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetBdJacobian.html">PetscDSSetBdJacobian</a>()`</font>
<a name="line195">195: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line196">196: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line197">197: </a><font color="#B22222">. Nf - the number of fields</font>
<a name="line198">198: </a><font color="#B22222">. NfAux - the number of auxiliary fields</font>
<a name="line199">199: </a><font color="#B22222">. uOff - the offset into `u`[] and `u_t`[] for each field</font>
<a name="line200">200: </a><font color="#B22222">. uOff_x - the offset into `u_x`[] for each field</font>
<a name="line201">201: </a><font color="#B22222">. u - each field evaluated at the current point</font>
<a name="line202">202: </a><font color="#B22222">. u_t - the time derivative of each field evaluated at the current point</font>
<a name="line203">203: </a><font color="#B22222">. u_x - the gradient of each field evaluated at the current point</font>
<a name="line204">204: </a><font color="#B22222">. aOff - the offset into `a`[] and `a_t`[] for each auxiliary field</font>
<a name="line205">205: </a><font color="#B22222">. aOff_x - the offset into `a_x`[] for each auxiliary field</font>
<a name="line206">206: </a><font color="#B22222">. a - each auxiliary field evaluated at the current point</font>
<a name="line207">207: </a><font color="#B22222">. a_t - the time derivative of each auxiliary field evaluated at the current point</font>
<a name="line208">208: </a><font color="#B22222">. a_x - the gradient of auxiliary each field evaluated at the current point</font>
<a name="line209">209: </a><font color="#B22222">. t - current time</font>
<a name="line210">210: </a><font color="#B22222">. u_tShift - the multiplier `a` for $dF/dU_t$</font>
<a name="line211">211: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line212">212: </a><font color="#B22222">. n - normal at the current point</font>
<a name="line213">213: </a><font color="#B22222">. numConstants - number of constant parameters</font>
<a name="line214">214: </a><font color="#B22222">. constants - constant parameters</font>
<a name="line215">215: </a><font color="#B22222">- g - output values at the current point</font>
<a name="line217">217: </a><font color="#B22222"> Level: beginner</font>
<a name="line219">219: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetBdJacobian.html">PetscDSSetBdJacobian</a>()`, <a href="../manualpages/DT/PetscDSGetBdJacobian.html">PetscDSGetBdJacobian</a>()`, `<a href="../manualpages/DT/PetscDSSetBdJacobianPreconditioner.html">PetscDSSetBdJacobianPreconditioner</a>()`, `<a href="../manualpages/DT/PetscDSGetBdJacobianPreconditioner.html">PetscDSGetBdJacobianPreconditioner</a>()`,</font>
<a name="line220">220: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSSetBdResidual.html">PetscDSSetBdResidual</a>()`, `<a href="../manualpages/DT/PetscDSGetBdResidual.html">PetscDSGetBdResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetObjective.html">PetscDSSetObjective</a>()`, `<a href="../manualpages/DT/PetscDSGetObjective.html">PetscDSGetObjective</a>()`, <a href="../manualpages/DT/PetscDSGetResidual.html">PetscDSGetResidual</a>()`,</font>
<a name="line221">221: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSGetRHSResidual.html">PetscDSGetRHSResidual</a>()`, `<a href="../manualpages/DT/PetscDSSetUpdate.html">PetscDSSetUpdate</a>()`, `<a href="../manualpages/DT/PetscDSGetUpdate.html">PetscDSGetUpdate</a>()`, `<a href="../manualpages/DMPlex/DMPlexSetCoordinateMap.html">DMPlexSetCoordinateMap</a>()`,</font>
<a name="line222">222: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSSetResidual.html">PetscDSSetResidual</a>()`, `<a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a>`</font>
<a name="line223">223: </a><font color="#B22222">S*/</font>
<a name="line224">224: </a><strong><font color="#4169E1">typedef void <a href="../manualpages/DT/PetscBdPointJacFn.html">PetscBdPointJacFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nf, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> NfAux, const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> uOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u_x[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff[], const <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> aOff_x[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_t[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> a_x[], <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> u_tShift, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> n[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> numConstants, const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> constants[], <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> g0[])</font></strong>;
<a name="line226">226: </a><font color="#B22222">/*S</font>
<a name="line227">227: </a><font color="#B22222"> <a href="../manualpages/DT/PetscPointExactSolutionFn.html">PetscPointExactSolutionFn</a> - A prototype of a pointwise function that computes the exact solution to a PDE. Used with, for example,</font>
<a name="line228">228: </a><font color="#B22222"> `<a href="../manualpages/DT/PetscDSSetExactSolution.html">PetscDSSetExactSolution</a>()`</font>
<a name="line230">230: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line231">231: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line232">232: </a><font color="#B22222">. t - current time</font>
<a name="line233">233: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line234">234: </a><font color="#B22222">. Nc - the number of field components</font>
<a name="line235">235: </a><font color="#B22222">. u - the solution field evaluated at the current point</font>
<a name="line236">236: </a><font color="#B22222">- ctx - a user context, set with `<a href="../manualpages/DT/PetscDSSetExactSolution.html">PetscDSSetExactSolution</a>()` or `<a href="../manualpages/DT/PetscDSSetExactSolutionTimeDerivative.html">PetscDSSetExactSolutionTimeDerivative</a>()`</font>
<a name="line238">238: </a><font color="#B22222"> Level: beginner</font>
<a name="line240">240: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetExactSolution.html">PetscDSSetExactSolution</a>()`, `<a href="../manualpages/DT/PetscDSGetExactSolution.html">PetscDSGetExactSolution</a>()`, `<a href="../manualpages/DT/PetscDSSetExactSolutionTimeDerivative.html">PetscDSSetExactSolutionTimeDerivative</a>()`, `<a href="../manualpages/DT/PetscDSGetExactSolutionTimeDerivative.html">PetscDSGetExactSolutionTimeDerivative</a>()`</font>
<a name="line241">241: </a><font color="#B22222">S*/</font>
<a name="line242">242: </a><strong><font color="#4169E1">typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DT/PetscPointExactSolutionFn.html">PetscPointExactSolutionFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nc, <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], void *ctx)</font></strong>;
<a name="line244">244: </a><font color="#B22222">/*S</font>
<a name="line245">245: </a><font color="#B22222"> <a href="../manualpages/DT/PetscRiemannFn.html">PetscRiemannFn</a> - A prototype of a pointwise function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetRiemannSolver.html">PetscDSSetRiemannSolver</a>()`</font>
<a name="line247">247: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line248">248: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line249">249: </a><font color="#B22222">. Nf - The number of fields</font>
<a name="line250">250: </a><font color="#B22222">. x - The coordinates at a point on the interface</font>
<a name="line251">251: </a><font color="#B22222">. n - The normal vector to the interface</font>
<a name="line252">252: </a><font color="#B22222">. uL - The state vector to the left of the interface</font>
<a name="line253">253: </a><font color="#B22222">. uR - The state vector to the right of the interface</font>
<a name="line254">254: </a><font color="#B22222">. numConstants - number of constant parameters</font>
<a name="line255">255: </a><font color="#B22222">. constants - constant parameters</font>
<a name="line256">256: </a><font color="#B22222">. flux - output array of flux through the interface</font>
<a name="line257">257: </a><font color="#B22222">- ctx - optional user context</font>
<a name="line259">259: </a><font color="#B22222"> Level: beginner</font>
<a name="line261">261: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetRiemannSolver.html">PetscDSSetRiemannSolver</a>()`, `<a href="../manualpages/DT/PetscDSGetRiemannSolver.html">PetscDSGetRiemannSolver</a>()`</font>
<a name="line262">262: </a><font color="#B22222">S*/</font>
<a name="line263">263: </a><strong><font color="#4169E1">typedef void <a href="../manualpages/DT/PetscRiemannFn.html">PetscRiemannFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nf, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> n[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> uL[], const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> uR[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> numConstants, const <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> constants[], <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> flux[], void *ctx)</font></strong>;
<a name="line265">265: </a><font color="#B22222">/*S</font>
<a name="line266">266: </a><font color="#B22222"> <a href="../manualpages/DT/PetscSimplePointFn.html">PetscSimplePointFn</a> - A prototype of a simple pointwise function that can be passed to, for example, `<a href="../manualpages/DMPlex/DMPlexTransformExtrudeSetNormalFunction.html">DMPlexTransformExtrudeSetNormalFunction</a>()`</font>
<a name="line268">268: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line269">269: </a><font color="#B22222">+ dim - The coordinate dimension of the original mesh (usually a surface)</font>
<a name="line270">270: </a><font color="#B22222">. time - The current time, or 0.</font>
<a name="line271">271: </a><font color="#B22222">. x - The location of the current normal, in the coordinate space of the original mesh</font>
<a name="line272">272: </a><font color="#B22222">. r - The layer number of this point</font>
<a name="line273">273: </a><font color="#B22222">. u - The user provides the computed normal on output</font>
<a name="line274">274: </a><font color="#B22222">- ctx - An optional user context, this context may be obtained by the calling code with `<a href="../manualpages/DM/DMGetApplicationContext.html">DMGetApplicationContext</a>()`</font>
<a name="line276">276: </a><font color="#B22222"> Level: beginner</font>
<a name="line278">278: </a><font color="#B22222"> Developer Note:</font>
<a name="line279">279: </a><font color="#B22222"> The handling of `ctx` in the use of such functions may not be ideal since the context is not provided when the function pointer is provided with, for example, `<a href="../manualpages/DMSwarm/DMSwarmSetCoordinateFunction.html">DMSwarmSetCoordinateFunction</a>()`</font>
<a name="line281">281: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DMPlex/DMPlexTransformExtrudeSetNormalFunction.html">DMPlexTransformExtrudeSetNormalFunction</a>()`, `<a href="../manualpages/DMSwarm/DMSwarmSetCoordinateFunction.html">DMSwarmSetCoordinateFunction</a>()`</font>
<a name="line282">282: </a><font color="#B22222">S*/</font>
<a name="line283">283: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DT/PetscSimplePointFn.html">PetscSimplePointFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> time, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> r, <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], void *ctx)</font></strong>;
<a name="line285">285: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscSimplePointFn.html">PetscSimplePointFn</a> *PetscSimplePointFunc PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscSimplePointFn.html">PetscSimplePointFn</a>*"</font>, );
<a name="line286">286: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a> *PetscPointFunc PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>*"</font>, );
<a name="line287">287: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a> *PetscPointJac PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscPointJacFn.html">PetscPointJacFn</a>*"</font>, );
<a name="line288">288: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscBdPointFn.html">PetscBdPointFn</a> *PetscBdPointFunc PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscBdPointFn.html">PetscBdPointFn</a>*"</font>, );
<a name="line289">289: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscBdPointJacFn.html">PetscBdPointJacFn</a> *PetscBdPointJac PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscBdPointJacFn.html">PetscBdPointJacFn</a>*"</font>, );
<a name="line290">290: </a>PETSC_EXTERN_TYPEDEF <font color="#4169E1">typedef</font> <a href="../manualpages/DT/PetscRiemannFn.html">PetscRiemannFn</a> *PetscRiemannFunc PETSC_DEPRECATED_TYPEDEF(3, 24, 0, <font color="#666666">"<a href="../manualpages/DT/PetscRiemannFn.html">PetscRiemannFn</a>*"</font>, );
<a name="line292">292: </a><font color="#B22222">/*S</font>
<a name="line293">293: </a><font color="#B22222"> <a href="../manualpages/DT/PetscPointBoundFn.html">PetscPointBoundFn</a> - A prototype of a pointwise function that can be passed to, for example, `<a href="../manualpages/DT/PetscDSSetLowerBound.html">PetscDSSetLowerBound</a>()`</font>
<a name="line295">295: </a><font color="#B22222"> Calling Sequence:</font>
<a name="line296">296: </a><font color="#B22222">+ dim - the coordinate dimension</font>
<a name="line297">297: </a><font color="#B22222">. t - current time</font>
<a name="line298">298: </a><font color="#B22222">. x - coordinates of the current point</font>
<a name="line299">299: </a><font color="#B22222">. Nc - the number of field components</font>
<a name="line300">300: </a><font color="#B22222">. u - the lower bound evaluated at the current point</font>
<a name="line301">301: </a><font color="#B22222">- ctx - a user context, passed in with, for example, `<a href="../manualpages/DT/PetscDSSetLowerBound.html">PetscDSSetLowerBound</a>()`</font>
<a name="line303">303: </a><font color="#B22222"> Level: beginner</font>
<a name="line305">305: </a><font color="#B22222">.seealso: `<a href="../manualpages/DT/PetscPointFn.html">PetscPointFn</a>`, `<a href="../manualpages/DT/PetscDSSetLowerBound.html">PetscDSSetLowerBound</a>()`, `<a href="../manualpages/DT/PetscDSSetUpperBound.html">PetscDSSetUpperBound</a>()`</font>
<a name="line306">306: </a><font color="#B22222">S*/</font>
<a name="line307">307: </a><strong><font color="#4169E1">PETSC_EXTERN_TYPEDEF typedef <a href="../manualpages/Sys/PetscErrorCode.html">PetscErrorCode</a> <a href="../manualpages/DT/PetscPointBoundFn.html">PetscPointBoundFn</a>(<a href="../manualpages/Sys/PetscInt.html">PetscInt</a> dim, <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> t, const <a href="../manualpages/Sys/PetscReal.html">PetscReal</a> x[], <a href="../manualpages/Sys/PetscInt.html">PetscInt</a> Nc, <a href="../manualpages/Sys/PetscScalar.html">PetscScalar</a> u[], void *ctx)</font></strong>;
</pre>
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