petsc-3.10.2 2018-10-09
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MatSTRUMPACKSetReordering

Set STRUMPACK fill-reducing reordering

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetReordering(Mat F,MatSTRUMPACKReordering reordering)

Input Parameters

F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface
reordering - the code to be used to find the fill-reducing reordering Possible values: NATURAL=0 METIS=1 PARMETIS=2 SCOTCH=3 PTSCOTCH=4 RCM=5

Options Database

-mat_strumpack_reordering <METIS> -Sparsity reducing matrix reordering (choose one of) NATURAL METIS PARMETIS SCOTCH PTSCOTCH RCM (None)

References

STRUMPACK manual -

See Also

MatGetFactor()

Level

beginner

Location

src/mat/impls/aij/mpi/strumpack/strumpack.c

Examples

src/ksp/ksp/examples/tutorials/ex52.c.html

Implementations

MatSTRUMPACKSetReordering_STRUMPACK in src/mat/impls/aij/mpi/strumpack/strumpack.c

Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages