slepc-3.21.1 2024-04-26
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BVSetMatMultMethod

Specifies the method used for the BVMatMult() operation.

Synopsis

#include "slepcbv.h" 
PetscErrorCode BVSetMatMultMethod(BV bv,BVMatMultType method)
Logically Collective

Input Parameters

bv  - the basis vectors context
method  - the method for the BVMatMult() operation

Options Database Keys

-bv_matmult <meth>  - choose one of the methods: vecs, mat

Notes

Allowed values are
BV_MATMULT_VECS  - perform a matrix-vector multiply per each column
BV_MATMULT_MAT  - carry out a Mat-Mat product with a dense matrix
BV_MATMULT_MAT_SAVE  - this case is deprecated

The default is BV_MATMULT_MAT except in the case of BVVECS.

See Also

BVMatMult(), BVGetMatMultMethod(), BVMatMultType

Level

advanced

Location

src/sys/classes/bv/interface/bvbasic.c

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