MatSTRUMPACKSetHSSRelTol

Set STRUMPACK relative tolerance for HSS compression

Synopsis

#include "petscmat.h" 
PetscErrorCode MatSTRUMPACKSetHSSRelTol(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_hss_rel_tol <1e- 2> - Relative compression tolerance (None)

References

• **** -*** STRUMPACK manual

See Also

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

Level

beginner

Location

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

Examples

src/ksp/ksp/tutorials/ex52.c

Implementations

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

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