petsc-3.5.2 2014-09-08
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KSPMonitorTrueResidualMaxNorm

Prints the true residual max norm as well as the preconditioned residual norm at each iteration of an iterative solver.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPMonitorTrueResidualMaxNorm(KSP ksp,PetscInt n,PetscReal rnorm,void *dummy)
Collective on KSP

Input Parameters

ksp - iterative context
n - iteration number
rnorm - norm (preconditioned) residual value (may be estimated).
dummy - unused monitor context

Options Database Key

-ksp_monitor_max -Activates KSPMonitorTrueResidualMaxNorm()

Notes

This could be implemented (better) with a flag in ksp.

Keywords

KSP, default, monitor, residual

See Also

KSPMonitorSet(), KSPMonitorDefault(), KSPMonitorLGResidualNormCreate(),KSPMonitorTrueResidualNorm()

Level:intermediate
Location:
src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages