blob: 14c0e6f8382b4ec307025b05fbb2821fad97b564 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
/* mpfr_set_prec_raw -- reset the precision of a floating-point number
Copyright (C) 2000, 2001 Free Software Foundation, Inc.
This file is part of the MPFR Library.
The MPFR Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
The MPFR Library 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with the MPFR Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#include <stdio.h>
#include <stdlib.h>
#include "gmp.h"
#include "gmp-impl.h"
#include "mpfr.h"
#include "mpfr-impl.h"
void
mpfr_set_prec_raw (mpfr_ptr x, mp_prec_t p)
{
if (p==0) {
fprintf(stderr, "*** cannot set precision to 0 bits\n"); exit(1);
}
if (p > MPFR_ABSSIZE(x) * BITS_PER_MP_LIMB) {
fprintf(stderr, "*** precision too large for allocated space\n");
exit(1);
}
MPFR_PREC(x) = p;
}
|
