source: trunk/sys/libm/w_fmod.c @ 1

Last change on this file since 1 was 1, checked in by alain, 5 years ago

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File size: 860 bytes
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1
2/* @(#)w_fmod.c 5.1 93/09/24 */
3/*
4 * ====================================================
5 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 *
7 * Developed at SunPro, a Sun Microsystems, Inc. business.
8 * Permission to use, copy, modify, and distribute this
9 * software is freely granted, provided that this notice
10 * is preserved.
11 * ====================================================
12 */
13
14/*
15 * wrapper fmod(x,y)
16 */
17
18#include <libm/fdlibm.h>
19
20
21#ifdef __STDC__
22        double fmod(double x, double y) /* wrapper fmod */
23#else
24        double fmod(x,y)                /* wrapper fmod */
25        double x,y;
26#endif
27{
28#ifdef _IEEE_LIBM
29        return __ieee754_fmod(x,y);
30#else
31        double z;
32        z = __ieee754_fmod(x,y);
33        if(_LIB_VERSION == _IEEE_ ||isnan(y)||isnan(x)) return z;
34        if(y==0.0) {
35                return __kernel_standard(x,y,27); /* fmod(x,0) */
36        } else
37            return z;
38#endif
39}
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