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. This function raises an error if the requested combination of solver package and matrix type is not supported.