File: mul.c

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flint 2.5.2-19
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/*=============================================================================

    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);
    }
}