petsc-3.11.4 2019-09-28
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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 Argument

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

DMKSPSetContext(), DMKSPGetComputeRHS(), KSPSetRHS()

Level

advanced

Location

src/ksp/ksp/interface/dmksp.c
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages