MatSTRUMPACKSetCompRelTol#

Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master relative tolerance for compression

Synopsis#

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetCompRelTol(Mat F, PetscReal rtol)

Logically Collective

Input Parameters#

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

  • rtol - relative compression tolerance

Options Database Key#

  • -mat_strumpack_compression_rel_tol <1e- 4> - Relative compression tolerance, when using -pctype ilu

See Also#

MATSOLVERSTRUMPACK, Matrices, Mat, MatGetFactor(), MatSTRUMPACKGetCompRelTol(), MatSTRUMPACKSetReordering(), MatSTRUMPACKSetColPerm()

Level#

intermediate

Location#

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

Examples#

src/ksp/ksp/tutorials/ex52.c

Implementations#

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


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