petsc-3.7.5 2017-01-01
SNESGetKSP
Returns the KSP context for a SNES solver.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESGetKSP(SNES snes,KSP *ksp)
Not Collective, but if SNES object is parallel, then KSP object is parallel
Input Parameter
snes -the SNES context
Output Parameter
ksp -the KSP context
Notes
The user can then directly manipulate the KSP context to set various
options, etc. Likewise, the user can then extract and manipulate the
PC contexts as well.
Keywords
SNES, nonlinear, get, KSP, context
See Also
KSPGetPC(), SNESCreate(), KSPCreate(), SNESSetKSP()
Level:beginner
Location:src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages
Examples
src/snes/examples/tutorials/ex1.c.html
src/snes/examples/tutorials/ex3.c.html
src/snes/examples/tutorials/ex5.c.html
src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex28.c.html
src/snes/examples/tutorials/ex30.c.html
src/snes/examples/tutorials/ex1f.F.html
src/snes/examples/tutorials/ex74f.F90.html