1
/* w_atan2l.c -- long double version of w_atan2.c.
2
* Conversion to long double by Ulrich Drepper,
3
* Cygnus Support, drepper@cygnus.com.
7
* ====================================================
8
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
10
* Developed at SunPro, a Sun Microsystems, Inc. business.
11
* Permission to use, copy, modify, and distribute this
12
* software is freely granted, provided that this notice
14
* ====================================================
17
#if defined(LIBM_SCCS) && !defined(lint)
18
static char rcsid[] = "$NetBSD: $";
1
/* Copyright (C) 2011 Free Software Foundation, Inc.
2
This file is part of the GNU C Library.
3
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
5
The GNU C Library is free software; you can redistribute it and/or
6
modify it under the terms of the GNU Lesser General Public
7
License as published by the Free Software Foundation; either
8
version 2.1 of the License, or (at your option) any later version.
10
The GNU C Library is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13
Lesser General Public License for more details.
15
You should have received a copy of the GNU Lesser General Public
16
License along with the GNU C Library; if not, write to the Free
17
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22
21
* wrapper atan2l(y,x)
26
#include "math_private.h"
30
long double __atan2l(long double y, long double x) /* wrapper atan2l */
32
long double __atan2l(y,x) /* wrapper atan2l */
25
#include <math_private.h>
29
__atan2l (long double y, long double x)
37
return __ieee754_atan2l(y,x);
40
z = __ieee754_atan2l(y,x);
41
if(_LIB_VERSION != _SVID_||__isnanl(x)||__isnanl(y)) return z;
43
return __kernel_standard(y,x,203); /* atan2(+-0,+-0) */
31
if (__builtin_expect (x == 0.0L && y == 0.0L, 0) && _LIB_VERSION == _SVID_)
32
return __kernel_standard (y, x, 203); /* atan2(+-0,+-0) */
34
return __ieee754_atan2l (y, x);
47
36
weak_alias (__atan2l, atan2l)