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| author | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2005-12-14 15:06:39 +0000 |
| commit | 9d13fb2413921c713f83efe331e8e4d219c62c6b (patch) | |
| tree | 2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /math/w_atan2.c | |
| parent | b6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff) | |
| download | glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.gz glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.tar.bz2 glibc-9d13fb2413921c713f83efe331e8e4d219c62c6b.zip | |
Moved to csu/errno-loc.c.
Diffstat (limited to 'math/w_atan2.c')
| -rw-r--r-- | math/w_atan2.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/math/w_atan2.c b/math/w_atan2.c new file mode 100644 index 0000000000..f0a10d4102 --- /dev/null +++ b/math/w_atan2.c @@ -0,0 +1,47 @@ +/* @(#)w_atan2.c 5.1 93/09/24 */ +/* + * ==================================================== + * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. + * + * Developed at SunPro, a Sun Microsystems, Inc. business. + * Permission to use, copy, modify, and distribute this + * software is freely granted, provided that this notice + * is preserved. + * ==================================================== + */ + +#if defined(LIBM_SCCS) && !defined(lint) +static char rcsid[] = "$NetBSD: w_atan2.c,v 1.6 1995/05/10 20:48:39 jtc Exp $"; +#endif + +/* + * wrapper atan2(y,x) + */ + +#include <math.h> +#include "math_private.h" + + +#ifdef __STDC__ + double __atan2(double y, double x) /* wrapper atan2 */ +#else + double __atan2(y,x) /* wrapper atan2 */ + double y,x; +#endif +{ +#ifdef _IEEE_LIBM + return __ieee754_atan2(y,x); +#else + double z; + z = __ieee754_atan2(y,x); + if(_LIB_VERSION != _SVID_||__isnan(x)||__isnan(y)) return z; + if(x==0.0&&y==0.0) + return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */ + return z; +#endif +} +weak_alias (__atan2, atan2) +#ifdef NO_LONG_DOUBLE +strong_alias (__atan2, __atan2l) +weak_alias (__atan2, atan2l) +#endif |