PCFactorSetUpMatSolverType#

Can be called after KSPSetOperators() or PCSetOperators(), causes MatGetFactor() to be called so then one may set the options for that particular factorization object.

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCFactorSetUpMatSolverType(PC pc)

Input Parameter#

pc - the preconditioner context

Note#

After you have called this function (which has to be after the KSPSetOperators() or PCSetOperators()) you can call PCFactorGetMatrix() and then set factor options on that matrix.