petsc-3.8.4 2018-03-24

TaoSetMonitor

Sets an ADDITIONAL function that is to be used at every iteration of the solver to display the iteration's progress.

#include "petsctao.h" 
PetscErrorCode TaoSetMonitor(Tao tao, PetscErrorCode (*func)(Tao, void*), void *ctx,PetscErrorCode (*dest)(void**))

Logically Collective on Tao

	tao	- the Tao solver context
	mymonitor	- monitoring routine
	mctx	- [optional] user-defined context for private data for the monitor routine (may be NULL)

    int mymonitor(Tao tao,void *mctx)

	tao	- the Tao solver context
	mctx	- [optional] monitoring context

	-tao_monitor	- sets TaoDefaultMonitor()
	-tao_smonitor	- sets short monitor
	-tao_cmonitor	- same as smonitor plus constraint norm
	-tao_view_solution	- view solution at each iteration
	-tao_view_gradient	- view gradient at each iteration
	-tao_view_separableobjective	- view separable objective function at each iteration
	-tao_cancelmonitors	- cancels all monitors that have been hardwired into a code by calls to TaoSetMonitor(), but does not cancel those set via the options database.

Several different monitoring routines may be set by calling TaoSetMonitor() multiple times; all will be called in the order in which they were set.

Fortran Notes: Only one monitor function may be set