MatSTRUMPACKSetCompRelTol

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

Synopsis

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 rel_tol - 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/impl/istrumpack.c

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