MatSTRUMPACKSetHSSAbsTol

Set STRUMPACK absolute tolerance for HSS compression

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetHSSAbsTol(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_hss_abs_tol <1e- 8> - Absolute compression tolerance (None)

References

• **** -*** STRUMPACK manual

See Also

Matrices, Mat, MatGetFactor(), MatSTRUMPACKSetReordering(), MatSTRUMPACKSetColPerm(), MatSTRUMPACKSetHSSRelTol(), MatSTRUMPACKSetHSSMaxRank(), MatSTRUMPACKSetHSSLeafSize(), MatSTRUMPACKSetHSSMinSepSize()

Level

beginner

Location

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

Implementations

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

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