55 lines
1.8 KiB
C
55 lines
1.8 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
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdlib.h>
|
|
#include <gmp.h>
|
|
#include <mpfr.h>
|
|
#include "flint.h"
|
|
#include "mpfr_mat.h"
|
|
|
|
void
|
|
mpfr_mat_init(mpfr_mat_t mat, slong rows, slong cols, mpfr_prec_t prec)
|
|
{
|
|
|
|
if ((rows) && (cols)) /* Allocate space for r*c small entries */
|
|
{
|
|
slong i;
|
|
mat->entries =
|
|
(__mpfr_struct *) flint_malloc(rows * cols * sizeof(__mpfr_struct));
|
|
mat->rows = (__mpfr_struct **) flint_malloc(rows * sizeof(__mpfr_struct *)); /* Initialise rows */
|
|
|
|
for (i = 0; i < rows * cols; i++)
|
|
mpfr_init2(mat->entries + i, prec);
|
|
for (i = 0; i < rows; i++)
|
|
mat->rows[i] = mat->entries + i * cols;
|
|
}
|
|
else
|
|
mat->entries = NULL;
|
|
|
|
mat->r = rows;
|
|
mat->c = cols;
|
|
mat->prec = prec;
|
|
}
|