MatSTRUMPACKSetCompAbsTol

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

Synopsis

PetscErrorCode MatSTRUMPACKSetCompAbsTol(Mat F, PetscReal atol)

Logically Collective

Input Parameters

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

• atol - absolute compression tolerance

Options Database Key

• -mat_strumpack_compression_abs_tol abs_tol - Absolute compression tolerance, when using -pctype ilu

See Also

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

Level

intermediate

Location

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

Implementations

MatSTRUMPACKSetCompAbsTol_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/impl/istrumpack.c

---

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