* Bring back rbuild build to be used until bug 6372 is fixed.
[reactos.git] / lib / sdk / crt / math / i386 / fmod.c
1 /* Math functions for i387.
2 Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by John C. Bowman <bowman@ipp-garching.mpg.de>, 1995.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20 */
21
22 #include <math.h>
23
24 double fmod (double __x, double __y);
25
26 double fmod (double __x, double __y)
27 {
28 register double __val;
29 #ifdef __GNUC__
30 __asm __volatile__
31 ("1: fprem\n\t"
32 "fstsw %%ax\n\t"
33 "sahf\n\t"
34 "jp 1b"
35 : "=t" (__val) : "0" (__x), "u" (__y) : "ax", "cc");
36 #else
37 __asm
38 {
39 fld __y
40 fld __x
41 L1: fprem1
42 fstsw ax
43 sahf
44 jp L1
45 fstp __val
46 }
47 #endif /*__GNUC__*/
48 return __val;
49 }