petsc-3.9.4 2018-09-11

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KSPCGGetNormD

Got norm of the direction.

Synopsis

#include "petscksp.h" 
PetscErrorCode  KSPCGGetNormD(KSP ksp, PetscReal *norm_d)

Collective on KSP

Input Parameters

	ksp	- the iterative context
	norm_d	- the norm of the direction

Keywords

get, norm direction

See Also

KSP, KSPCG, KSPNASH, KSPSTCG, KSPGLTR

Level

advanced

Location

src/ksp/ksp/impls/cg/cgtype.c

Implementations

KSPCGGetNormD_GLTR in src/ksp/ksp/impls/cg/gltr/gltr.c
KSPCGGetNormD_NASH in src/ksp/ksp/impls/cg/nash/nash.c
KSPCGGetNormD_STCG in src/ksp/ksp/impls/cg/stcg/stcg.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages