KSPMonitorRange
Prints the percentage of residual elements that are more then 10 percent of the maximum value.
Synopsis
#include "petscksp.h"
PetscErrorCode PETSCKSP_DLLEXPORT KSPMonitorRange(KSP ksp,PetscInt it,PetscReal rnorm,void *dummy)
Collective on KSP
Input Parameters
| ksp | - iterative context
|
| it | - iteration number
|
| rnorm | - 2-norm (preconditioned) residual value (may be estimated).
|
| dummy | - unused monitor context
|
Options Database Key
-ksp_monitor_range -Activates KSPMonitorRange()
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
KSP, default, monitor, residual
See Also
KSPMonitorSet(), KSPMonitorDefault(), KSPMonitorLGCreate()
Level:intermediate
Location:src/ksp/ksp/interface/iterativ.c
Index of all KSP routines
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Index of all manual pages