KSPGetInitialGuessKnoll#

Determines whether the KSP solver is using the Knoll trick (using PCApply(pc,b,…) to compute the initial guess

Synopsis#

#include "petscksp.h" 
#include "petscmat.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#

KSP: Linear System Solvers, 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