petsc-3.12.5 2020-03-29
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
See Also
KSPSetInitialGuessKnoll(), KSPSetInitialGuessNonzero(), KSPGetInitialGuessNonzero(), KSP
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