petsc-3.7.1 2016-05-15
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MatShellGetContext

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

Synopsis

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

Input Parameter

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

Output Parameter

ctx -the user provided context Many br

Many br

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

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

Examples

src/ts/examples/tutorials/ex22f_mf.F90.html
src/tao/unconstrained/examples/tutorials/eptorsion1.c.html
src/tao/bound/examples/tutorials/plate2.c.html
src/tao/pde_constrained/examples/tutorials/elliptic.c.html
src/tao/pde_constrained/examples/tutorials/parabolic.c.html
src/tao/pde_constrained/examples/tutorials/hyperbolic.c.html