PETSc version 3.17.4
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# DMTSGetIFunction

get TS implicit residual evaluation function

### Synopsis

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

Not Collective

### Input Parameter

| dm | - DM to be used with TS

### Output Parameters

| func | - function evaluation function, see TSSetIFunction() 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
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Index of all manual pages