petsc-3.6.2 2015-10-02
   
KSPQCGGetTrialStepNorm
Gets the norm of a trial step vector.  The WCG step may be constrained, so this is not necessarily the length of the ultimate step taken in QCG. 
Synopsis
#include "petscksp.h" 
PetscErrorCode  KSPQCGGetTrialStepNorm(KSP ksp,PetscReal *tsnorm)
Not Collective
Input Parameter
ksp  -the iterative context
Output Parameter
tsnorm  -the norm
Level:advanced
Location:src/ksp/ksp/impls/qcg/qcg.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages