MatShellSetContextDestroy

sets the destroy function for a MATSHELL shell matrix context

Synopsis

#include "petscmat.h" 
PetscErrorCode MatShellSetContextDestroy(Mat mat, PetscErrorCode (*f)(void *))

Logically Collective

Input Parameters

• mat - the shell matrix

• f - the context destroy function

Note

If the MatShell is never duplicated, the behavior of this function is equivalent to MatShellSetOperation(Mat,MATOP_DESTROY,f). However, MatShellSetContextDestroy() ensures proper reference counting for the user provided context data in the case that the MATSHELL is duplicated.

See Also

Matrices, Mat, MATSHELL, MatCreateShell(), MatShellSetContext()

Level

advanced

Location

src/mat/impls/shell/shell.c

Implementations

MatShellSetContextDestroy_MFFD(Mat mat, void (*f)() in src/mat/impls/mffd/mffd.c
MatShellSetContextDestroy_Shell(Mat mat, PetscErrorCode (*f)() in src/mat/impls/shell/shell.c

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