petsc-3.10.5 2019-03-28
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
See Also
MatCreateShell(), MatShellSetOperation(), MatShellSetContext()
Level
advanced
Location
src/mat/impls/shell/shell.c
Examples
src/mat/examples/tutorials/ex6f.F90.html
src/ts/examples/tutorials/ex50.c.html
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
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages