PCPatchGetConstructType

Get the strategy currently used to construct patches for a PCPATCH preconditioner

Synopsis

#include "petscpc.h" 
#include "petscmat.h" 
PetscErrorCode PCPatchGetConstructType(PC pc, PCPatchConstructType *ctype, PetscErrorCode (**func)(PC pc, PetscInt *npatch, IS *patches[], IS *patchIterationSet, PetscCtx ctx), PetscCtxRt ctx)

Not Collective

Input Parameter

• pc - the PCPATCH preconditioner

Output Parameters

• ctype - the PCPatchConstructType

• func - the callback that builds the patches when ctype is PC_PATCH_USER or PC_PATCH_PYTHON; otherwise unchanged

• ctx - the application context associated with func; otherwise unchanged

Calling sequence of func

• pc - the PCPATCH preconditioner

• npatch - number of patches

• patches - the IS that define each patch

• patchIterationSet - how the patches are iterated over

• ctx - optional application context

See Also

KSP: Linear System Solvers, PCPATCH, PCPatchSetConstructType(), PCPatchConstructType

Level

advanced

Location

src/ksp/pc/impls/patch/pcpatch.c

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Index of all PC routines
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Index of all manual pages