DMTSGetRHSFunctionLocal#

get 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 DM will automatically accumulate the overlapping values.

Synopsis#

#include "petscts.h" 
PetscErrorCode DMTSGetRHSFunctionLocal(DM dm, PetscErrorCode (**func)(DM dm, PetscReal t, Vec u, Vec udot, PetscCtx ctx), PetscCtxRt ctx)

Logically Collective

Input Parameter#

  • dm - DM to associate callback with

Output Parameters#

  • func - local function evaluation

  • ctx - context for function evaluation

Calling sequence of func#

  • dm - the DM

  • t - the current time

  • u - the current solution

  • udot - output, the evaluated right hand side

  • ctx - the application context for the function

See Also#

TS: Scalable ODE and DAE Solvers, DM, DMTSSetRHSFunctionLocal(), DMTSSetRHSFunction(), DMTSSetIFunction(), DMTSSetIJacobianLocal()

Level#

beginner

Location#

src/ts/utils/dmlocalts.c


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