MatSTRUMPACKSetColPerm#

Set whether STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master should try to permute the columns of the matrix in order to get a nonzero diagonal

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetColPerm(Mat F, PetscBool cperm)

Logically Collective

Input Parameters#

  • F - the factored matrix obtained by calling MatGetFactor()

  • cperm - PETSC_TRUE to permute (internally) the columns of the matrix

Options Database Key#

  • -mat_strumpack_colperm - true to use the permutation

See Also#

MATSOLVERSTRUMPACK, Matrices, MatSTRUMPACKSetReordering(), Mat, MatGetFactor(), MatSTRUMPACKGetColPerm()

Level#

intermediate

Location#

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

Examples#

src/ksp/ksp/tutorials/ex52.c

Implementations#

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

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Index of all manual pages