pqc/external/flint-2.4.3/fmpq_mat/init.c
2014-05-24 23:16:06 +02:00

50 lines
1.7 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 William Hart
Copyright (C) 2011 Fredrik Johansson
******************************************************************************/
#include "fmpq_mat.h"
void fmpq_mat_init(fmpq_mat_t mat, slong rows, slong cols)
{
if ((rows) && (cols))
{
slong i;
mat->entries = (fmpq *) flint_calloc(rows * cols, sizeof(fmpq));
mat->rows = (fmpq **) flint_malloc(rows * sizeof(fmpq *));
/* Set denominators */
for (i = 0; i < rows * cols; i++)
mat->entries[i].den = WORD(1);
for (i = 0; i < rows; i++)
mat->rows[i] = mat->entries + i * cols;
}
else
mat->entries = NULL;
mat->r = rows;
mat->c = cols;
}