petsc-3.7.1 2016-05-15
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MatGetFactorAvailable

Returns a a flag if matrix supports particular package and factor type

Synopsis

#include "petscmat.h" 
PetscErrorCode MatGetFactorAvailable(Mat mat, const MatSolverPackage type,MatFactorType ftype,PetscBool  *flg)
Not Collective Many br

Input Parameters

mat - the matrix Many br
type - name of solver type, for example, superlu, petsc (to use PETSc's default) Many br
ftype - factor type, MAT_FACTOR_LU, MAT_FACTOR_CHOLESKY, MAT_FACTOR_ICC, MAT_FACTOR_ILU, Many br

Output Parameter

flg -PETSC_TRUE if the factorization is available Many br

Notes

Some PETSc matrix formats have alternative solvers available that are contained in alternative packages Many brsuch as pastix, superlu, mumps etc. Many br

PETSc must have been ./configure to use the external solver, using the option --download-package Many br

Many br

See Also

MatCopy(), MatDuplicate(), MatGetFactor()

Level:intermediate
Location:
src/mat/interface/matrix.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages