petsc-3.7.3 2016-07-24
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# KSPGetInitialGuessNonzero

Determines whether the KSP solver is using a zero initial guess.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode  KSPGetInitialGuessNonzero(KSP ksp,PetscBool  *flag)

Not Collective

### Input Parameter

ksp -iterative context obtained from KSPCreate()

### Output Parameter

flag -PETSC_TRUE if guess is nonzero, else PETSC_FALSE

### Keywords

KSP, set, initial guess, nonzero

### See Also

KSPSetInitialGuessNonzero(), KSPSetInitialGuessKnoll(), KSPGetInitialGuessKnoll()

Level:intermediate
Location: src/ksp/ksp/interface/itfunc.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages