SNESMonitorRange

Prints the percentage of residual elements that are more then 10 percent of the maximum value.

Synopsis

#include "petscsnes.h"   
PetscErrorCode PETSCSNES_DLLEXPORT SNESMonitorRange(SNES snes,PetscInt it,PetscReal rnorm,void *dummy)
Collective on SNES

Input Parameters

snes - iterative context
it - iteration number
rnorm - 2-norm (preconditioned) residual value (may be estimated).
dummy - unused monitor context

Options Database Key

-snes_monitor_range -Activates SNESMonitorRange()

Notes

When using either ICC or ILU preconditioners in BlockSolve95 (via MATMPIROWBS matrix format), then use this monitor will print both the residual norm associated with the original (unscaled) matrix.

Keywords

SNES, default, monitor, residual

See Also

SNESMonitorSet(), SNESMonitorDefault(), SNESMonitorLGCreate()

Level:intermediate
Location:
src/snes/interface/snesut.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages