petsc-3.12.5 2020-03-29
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MatSTRUMPACKSetHSSAbsTol

Set STRUMPACK absolute tolerance for HSS compression Logically Collective on Mat

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetHSSAbsTol(Mat F,PetscReal atol)

Input Parameters

F - the factored matrix obtained by calling MatGetFactor() from PETSc-STRUMPACK interface
atol - absolute compression tolerance

Options Database

-mat_strumpack_hss_abs_tol <1e -8> - Absolute compression tolerance (None)

References

STRUMPACK manual -

See Also

MatGetFactor()

Level

beginner

Location

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

Implementations

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

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