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.

See Also#

PCCHOLESKY, PCLU, PCFactorSetMatSolverType(), PCFactorGetMatrix()

Level#

intermediate

Location#

src/ksp/pc/impls/factor/factor.c

Examples#

src/ksp/ksp/tutorials/ex52.c.html
src/ksp/ksp/tutorials/ex52f.F90.html
src/ksp/ksp/tutorials/ex57f.F90.html

Implementations#

PCFactorSetUpMatSolverType_Factor in src/ksp/pc/impls/factor/factimpl.c
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