Update.
[glibc.git] / math / w_fmod.c
blob0ceeb98c5587edc079e4c0d0d3aae2e71975b15f
1 /* @(#)w_fmod.c 5.1 93/09/24 */
2 /*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
13 #if defined(LIBM_SCCS) && !defined(lint)
14 static char rcsid[] = "$NetBSD: w_fmod.c,v 1.6 1995/05/10 20:48:55 jtc Exp $";
15 #endif
18 * wrapper fmod(x,y)
21 #include "math.h"
22 #include "math_private.h"
25 #ifdef __STDC__
26 double __fmod(double x, double y) /* wrapper fmod */
27 #else
28 double __fmod(x,y) /* wrapper fmod */
29 double x,y;
30 #endif
32 #ifdef _IEEE_LIBM
33 return __ieee754_fmod(x,y);
34 #else
35 double z;
36 z = __ieee754_fmod(x,y);
37 if(_LIB_VERSION == _IEEE_ ||__isnan(y)||__isnan(x)) return z;
38 if(y==0.0) {
39 return __kernel_standard(x,y,27); /* fmod(x,0) */
40 } else
41 return z;
42 #endif
44 weak_alias (__fmod, fmod)
45 #ifdef NO_LONG_DOUBLE
46 strong_alias (__fmod, __fmodl)
47 weak_alias (__fmod, fmodl)
48 #endif