2013-01-03 03:01:50 +08:00
|
|
|
/* Copyright (C) 2011-2013 Free Software Foundation, Inc.
|
2011-10-12 23:27:51 +08:00
|
|
|
This file is part of the GNU C Library.
|
|
|
|
|
Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
|
1996-03-06 05:41:30 +08:00
|
|
|
|
2011-10-12 23:27:51 +08:00
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
1996-03-06 05:41:30 +08:00
|
|
|
|
2011-10-12 23:27:51 +08:00
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
|
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
Lesser General Public License for more details.
|
1996-03-06 05:41:30 +08:00
|
|
|
|
2011-10-12 23:27:51 +08:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
2012-02-10 07:18:22 +08:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
1996-03-06 05:41:30 +08:00
|
|
|
|
2005-12-14 23:06:39 +08:00
|
|
|
#include <math.h>
|
2011-10-08 17:16:04 +08:00
|
|
|
#include <math_private.h>
|
1996-03-06 05:41:30 +08:00
|
|
|
|
2011-10-12 23:27:51 +08:00
|
|
|
|
|
|
|
|
/* wrapper acoshf */
|
|
|
|
|
float
|
|
|
|
|
__acoshf (float x)
|
1996-03-06 05:41:30 +08:00
|
|
|
{
|
2012-02-19 18:20:18 +08:00
|
|
|
if (__builtin_expect (isless (x, 1.0f), 0) && _LIB_VERSION != _IEEE_)
|
2011-10-12 23:27:51 +08:00
|
|
|
/* acosh(x<1) */
|
|
|
|
|
return __kernel_standard_f (x, x, 129);
|
|
|
|
|
|
|
|
|
|
return __ieee754_acoshf (x);
|
1996-03-06 05:41:30 +08:00
|
|
|
}
|
|
|
|
|
weak_alias (__acoshf, acoshf)
|
