petsc-3.12.5 2020-03-29

DMTSSetRHSFunctionLocal

set a local rhs function 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 DMTS will automatically accumulate the overlapping values.

Synopsis

#include "petscts.h" 
PetscErrorCode DMTSSetRHSFunctionLocal(DM dm, PetscErrorCode (*func)(DM, PetscReal, Vec, Vec, void *), void *ctx)

Logically Collective

Input Arguments

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

Level

beginner

Location

src/ts/utils/dmlocalts.c

Examples