petsc-3.14.6 2021-03-30
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KSPBCGSLSetXRes
Sets the parameter governing when exact residuals will be used instead of computed residuals.
Synopsis
#include "petscksp.h"
PetscErrorCode
KSPBCGSLSetXRes
(
KSP
ksp,
PetscReal
delta)
Logically Collective on ksp
Input Parameters
ksp
- iterative context obtained from
KSPCreate
delta
- computed residuals are used alone when delta is not positive
Options Database Keys
-ksp_bcgsl_xres delta
See Also
KSPBCGSLSetEll
(),
KSPBCGSLSetPol
(),
KSP
Level
intermediate
Location
src/ksp/ksp/impls/bcgsl/bcgsl.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages