petsc-3.4.5 2014-06-29

TSSetPreStep

Sets the general-purpose function called once at the beginning of each time step.

Synopsis

#include "petscts.h"  
PetscErrorCode  TSSetPreStep(TS ts, PetscErrorCode (*func)(TS))

Logically Collective on TS

Input Parameters

	ts	- The TS context obtained from TSCreate()
	func	- The function

Calling sequence of func

func (TS ts); -

Note

If a step is rejected, TSStep() will call this routine again before each attempt. The last completed time step number can be queried using TSGetTimeStepNumber(), the size of the step being attempted can be obtained using TSGetTimeStep().

Keywords