SNESSetUpdate

Sets the general-purpose update function called at the beginning of every step of the iteration.

#include "petscsnes.h"  
int SNESSetUpdate(SNES snes, int (*func)(SNES, int))

Collective on SNES

snes -The nonlinear solver context

func -The function

func (TS ts, int step); -

step -The current step of the iteration

SNES, update