DMKSPSetComputeInitialGuess#

set KSP initial guess evaluation function

Synopsis#

#include "petscksp.h" 
PetscErrorCode DMKSPSetComputeInitialGuess(DM dm, PetscErrorCode (*func)(KSP, Vec, void *), void *ctx)

Not Collective

Input Parameters#

dm - DM to be used with KSP
func - initial guess evaluation function, for calling sequence see KSPSetComputeInitialGuess()
ctx - context for right hand side evaluation

Note#

KSPSetComputeInitialGuess() is normally used, but it calls this function internally because the user context is actually associated with the DM.

See Also#

KSP: Linear System Solvers, DMKSP, DM, KSP, DMKSPSetContext(), DMKSPGetComputeRHS(), KSPSetRHS()

Level#

developer

Location#

src/ksp/ksp/interface/dmksp.c

Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages