petsc-3.10.5 2019-03-28
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# DMTSGetRHSFunction

get TS explicit residual evaluation function

### Synopsis

    #include "petscts.h"
    PetscErrorCode DMTSGetRHSFunction(DM dm,TSRHSFunction *func,void **ctx)

Not Collective

### Input Argument

dm -DM to be used with TS

### Output Arguments

| func | - residual evaluation function, see TSSetRHSFunction() for calling sequence
| ctx | - context for residual evaluation

### Note

TSGetFunction() is normally used, but it calls this function internally because the user context is actually associated with the DM.

### See Also

DMTSSetContext(), DMTSSetFunction(), TSSetFunction()

### Level

advanced

### Location

src/ts/utils/dmts.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages