petsc-3.14.6 2021-03-30
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