pqc/external/flint-2.4.3/nmod_mat/mul.c

52 lines
1.5 KiB
C

/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2010 Fredrik Johansson
******************************************************************************/
#include <stdlib.h>
#include <gmp.h>
#include "flint.h"
#include "nmod_mat.h"
#include "nmod_vec.h"
void
nmod_mat_mul(nmod_mat_t C, const nmod_mat_t A, const nmod_mat_t B)
{
slong m, k, n;
m = A->r;
k = A->c;
n = B->c;
if (m < NMOD_MAT_MUL_STRASSEN_CUTOFF ||
n < NMOD_MAT_MUL_STRASSEN_CUTOFF ||
k < NMOD_MAT_MUL_STRASSEN_CUTOFF)
{
nmod_mat_mul_classical(C, A, B);
}
else
{
nmod_mat_mul_strassen(C, A, B);
}
}