MatSTRUMPACKSetGeometricComponents#

Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master number of degrees of freedom per mesh point, for use with GEOMETRIC ordering.

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetGeometricComponents(Mat F, PetscInt nc)

Logically Collective

Input Parameters#

  • F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface

  • nc - Number of components/dof’s per grid point

Options Database Key#

  • -mat_strumpack_geometric_components <1> - Number of components per mesh point, for geometric nested dissection ordering

See Also#

MATSOLVERSTRUMPACK, MatGetFactor()

Level#

intermediate

Location#

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

Examples#

src/ksp/ksp/tutorials/ex52.c

Implementations#

MatSTRUMPACKSetGeometricComponents_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/strumpack.c

Index of all Mat routines
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Index of all manual pages