SNESLineSearchSetDefaultMonitor

Turns on/off printing useful information and debugging output about the line search.

Synopsis

#include "petscsnes.h" 
PetscErrorCode SNESLineSearchSetDefaultMonitor(SNESLineSearch linesearch, PetscViewer viewer)

Logically Collective

Input Parameters

• linesearch - the linesearch object

• viewer - an PETSCVIEWERASCII PetscViewer or NULL to turn off monitor

Options Database Key

• -snes_linesearch_monitor [:filename] - enables the monitor

Developer Notes

This monitor is implemented differently than the other line search monitors that are set with SNESLineSearchMonitorSet() since it is called in many locations of the line search routines to display aspects of the line search that are not visible to the other monitors.

See Also

SNES: Nonlinear Solvers, SNES, SNESLineSearch, PETSCVIEWERASCII, SNESGetLineSearch(), SNESLineSearchGetDefaultMonitor(), PetscViewer, SNESLineSearchSetMonitor(), SNESLineSearchMonitorSetFromOptions()

Level

intermediate

Location

src/snes/linesearch/interface/linesearch.c

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