petsc-3.4.4 2014-03-13

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

Input Parameters

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

Output Parameter

flg -PETSC_TRUE if the factorization is available

Notes

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

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

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