petsc-3.5.2 2014-09-08
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DMSNESGetFunction

get SNES residual evaluation function

Synopsis

#include "petscsnes.h" 
#include "petscdm.h" 
PetscErrorCode DMSNESGetFunction(DM dm,PetscErrorCode (**f)(SNES,Vec,Vec,void*),void **ctx)
Not Collective

Input Argument

dm -DM to be used with SNES

Output Arguments

f - residual evaluation function; see SNESFunction for details
ctx - context for residual evaluation

Note

SNESGetFunction() is normally used, but it calls this function internally because the user context is actually associated with the DM.

See Also

DMSNESSetContext(), DMSNESSetFunction(), SNESSetFunction(), SNESFunction

Level:advanced
Location:
src/snes/utils/dmsnes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages