petsc-3.7.5 2017-01-01
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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 -

Keywords

KSP, BiCGStab(L), set, exact residuals

See Also

KSPBCGSLSetEll(), KSPBCGSLSetPol()

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