petsc-3.14.6 2021-03-30
PCPatchSetComputeFunction
Set the callback used to compute patch residuals
Synopsis
#include "petscpc.h"
#include "petscmat.h"
PetscErrorCode PCPatchSetComputeFunction(PC pc, PetscErrorCode (*func)(PC, PetscInt, Vec, Vec, IS, PetscInt, const PetscInt *, const PetscInt *, void *), void *ctx)
Logically collective on PC
Input Parameters
| pc | - The PC
|
| func | - The callback
|
| ctx | - The user context
|
Calling sequence of func
func (PC pc,PetscInt point,Vec x,Vec f,IS cellIS,PetscInt n,const PetscInt* dofsArray,const PetscInt* dofsArrayWithAll,void* ctx)
| pc | - The PC
|
| point | - The point
|
| x | - The input solution (not used in linear problems)
|
| f | - The patch residual vector
|
| cellIS | - An array of the cell numbers
|
| n | - The size of dofsArray
|
| dofsArray | - The dofmap for the dofs to be solved for
|
| dofsArrayWithAll | - The dofmap for all dofs on the patch
|
| ctx | - The user context
|
Notes
The entries of F (the output residual vector) have been set to zero before the call.
See Also
PCPatchSetComputeOperator(), PCPatchGetComputeOperator(), PCPatchSetDiscretisationInfo(), PCPatchSetComputeFunctionInteriorFacets()
Level
advanced
Location
src/ksp/pc/impls/patch/pcpatch.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages