pqc/external/flint-2.4.3/fmpq_mat/get_fmpz_mat.c

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2014-05-18 22:03:37 +00:00
/*=============================================================================
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) 2011 Fredrik Johansson
******************************************************************************/
#include "fmpq_mat.h"
int
fmpq_mat_get_fmpz_mat(fmpz_mat_t dest, const fmpq_mat_t mat)
{
slong i, j;
for (i = 0; i < mat->r; i++)
{
for (j = 0; j < mat->c; j++)
{
if (fmpz_is_one(fmpq_mat_entry_den(mat, i, j)))
fmpz_set(fmpz_mat_entry(dest, i, j),
fmpq_mat_entry_num(mat, i, j));
else
return 0;
}
}
return 1;
}