petsc-3.8.4 2018-03-24
KSPGetInitialGuessKnoll
Determines whether the KSP solver is using the Knoll trick (using PCApply(pc,b,...) to compute the initial guess
Synopsis
#include "petscksp.h"
PetscErrorCode KSPGetInitialGuessKnoll(KSP ksp,PetscBool *flag)
Not Collective
Input Parameter
ksp -iterative context obtained from KSPCreate()
Output Parameter
flag -PETSC_TRUE if using Knoll trick, else PETSC_FALSE
Keywords
KSP, set, initial guess, nonzero
See Also
KSPSetInitialGuessKnoll(), KSPSetInitialGuessNonzero(), KSPGetInitialGuessNonzero()
Level:advanced
Location:src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages