1: /* rint replacement
2:
3: Copyright (C) 2002 Free Software Foundation, Inc.
4:
5: This file is part of Gforth.
6:
7: Gforth is free software; you can redistribute it and/or
8: modify it under the terms of the GNU General Public License
9: as published by the Free Software Foundation; either version 2
10: of the License, or (at your option) any later version.
11:
12: This program is distributed in the hope that it will be useful,
13: but WITHOUT ANY WARRANTY; without even the implied warranty of
14: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: GNU General Public License for more details.
16:
17: You should have received a copy of the GNU General Public License
18: along with this program; if not, write to the Free Software
19: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20: */
21:
22: #ifdef i386
23: #define X (1024.*1024.*1024.*1024.*1024.*1024.*16.)
24: #else /* !defined(386) */
25: #define X (1024.*1024.*1024.*1024.*1024.*8.)
26: #endif /* !defined(386) */
27: double rint(double r)
28: {
29: if (r<0.0)
30: return (r+X)-X;
31: else
32: return (r-X)+X;
33: }
34:
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