petsc-3.6.2 2015-10-02
   
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
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
Examples
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