MatSTRUMPACKSetCompAbsTol#
Set STRUMPACK https://portal.nersc.gov/project/sparse/strumpack/master absolute tolerance for compression
Synopsis#
#include "petscmat.h"
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 <1e- 10> - Absolute compression tolerance, when using
-pctype ilu
See Also#
MATSOLVERSTRUMPACK, Matrices, Mat, MatGetFactor(), MatSTRUMPACKGetCompAbsTol(), MatSTRUMPACKSetReordering(), MatSTRUMPACKSetColPerm()
Level#
intermediate
Location#
Implementations#
MatSTRUMPACKSetCompAbsTol_STRUMPACK() in src/mat/impls/aij/mpi/strumpack/strumpack.c
Index of all Mat routines
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