MatShellGetContext

 Returns the user-provided context associated with a shell matrix.

Synopsis

#include "petscmat.h" 
PetscErrorCode PETSCMAT_DLLEXPORT MatShellGetContext(Mat mat,void **ctx)
Not Collective

Input Parameter

mat -the matrix, should have been created with MatCreateShell()

Output Parameter

ctx -the user provided context

C++ variants

void* MatShellGetContext(Mat A)->MatShellGetContext(A,&t); return t;

Notes

This routine is intended for use within various shell matrix routines, as set with MatShellSetOperation().

Keywords

matrix, shell, get, context

See Also

MatCreateShell(), MatShellSetOperation(), MatShellSetContext()

Level:advanced
Location:src/mat/impls/shell/shell.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages