petsc-master 2014-11-26
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DMSNESSetFunctionLocal

set a local residual evaluation function. This function is called with local vector containing the local vector information PLUS ghost point information. It should compute a result for all local elements and DMSNES will automatically accumulate the overlapping values.

Synopsis

#include "petscsnes.h" 
PetscErrorCode DMSNESSetFunctionLocal(DM dm,PetscErrorCode (*func)(DM,Vec,Vec,void*),void *ctx)
Logically Collective

Input Arguments

dm - DM to associate callback with
func - local residual evaluation
ctx - optional context for local residual evaluation

See Also

DMSNESSetFunction(), DMDASNESSetJacobianLocal(), DMDACreate1d(), DMDACreate2d(), DMDACreate3d()

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

Examples

src/snes/examples/tutorials/ex12.c.html
src/snes/examples/tutorials/ex62.c.html