petsc-3.7.5 2017-01-01

MatShellGetContext

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

Synopsis

#include "petscmat.h" 
PetscErrorCode  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

Fortran Notes: To use this from Fortran you must write a Fortran interface definition for this function that tells Fortran the Fortran derived data type that you are passing in as the ctx argument.

Keywords

matrix, shell, get, context

Examples