DMMGSetISColoringType

type of coloring used to compute Jacobian via finite differencing

Synopsis

#include "petscdmda.h"    
#include "petscdmmesh.h"  
#include "petscpcmg.h"    
#include "petscdmmg.h"  
#include "petscmat.h" 
PetscErrorCode DMMGSetISColoringType(DMMG *dmmg,ISColoringType isctype)
This is being deprecated. Use KSPSetDM() for linear problems and SNESSetDM() for nonlinear problems. See src/ksp/ksp/examples/tutorials/ex45.c and src/snes/examples/tutorials/ex57.c

Logically Collective on DMMG

Input Parameter

dmmg - the context
isctype - IS_COLORING_GHOSTED (default) or IS_COLORING_GLOBAL

Options Database

-dmmg_iscoloring_type <ghosted or global> - Notes: ghosted coloring requires using DMMGSetSNESLocal()

See Also

DMMGCreate(), DMMGDestroy, DMMGSetKSP(), DMMGSetSNES(), DMMGSetInitialGuess(), DMMGSetSNESLocal()

Level:intermediate
Location:
src/snes/utils/damgsnes.c
Index of all DMMG routines
Table of Contents for all manual pages
Index of all manual pages src/snes/examples/tutorials/ex31.c.html
src/snes/examples/tutorials/ex32.c.html