1/*
 2 * floor, trunc, ceil
 3 */
 4/*
 5 * MIPS floating point support
 6 * Copyright (C) 1994-2000 Algorithmics Ltd.
 7 *
 8 * ########################################################################
 9 *
10 *  This program is free software; you can distribute it and/or modify it
11 *  under the terms of the GNU General Public License (Version 2) as
12 *  published by the Free Software Foundation.
13 *
14 *  This program is distributed in the hope it will be useful, but WITHOUT
15 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
17 *  for more details.
18 *
19 *  You should have received a copy of the GNU General Public License along
20 *  with this program; if not, write to the Free Software Foundation, Inc.,
21 *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
22 *
23 * ########################################################################
24 */
25
26
27#include "ieee754.h"
28
29ieee754dp ieee754dp_floor(ieee754dp x)
30{
31	ieee754dp i;
32
33	if (ieee754dp_lt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
34		return ieee754dp_sub(i, ieee754dp_one(0));
35	else
36		return i;
37}
38
39ieee754dp ieee754dp_ceil(ieee754dp x)
40{
41	ieee754dp i;
42
43	if (ieee754dp_gt(ieee754dp_modf(x, &i), ieee754dp_zero(0)))
44		return ieee754dp_add(i, ieee754dp_one(0));
45	else
46		return i;
47}
48
49ieee754dp ieee754dp_trunc(ieee754dp x)
50{
51	ieee754dp i;
52
53	(void) ieee754dp_modf(x, &i);
54	return i;
55}