mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/* Return cosine of complex double value.
|
|
Copyright (C) 1997-2014 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
|
|
|
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.
|
|
|
|
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.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <complex.h>
|
|
#include <fenv.h>
|
|
#include <math.h>
|
|
#include <math_private.h>
|
|
|
|
|
|
__complex__ double
|
|
__ccos (__complex__ double x)
|
|
{
|
|
__complex__ double y;
|
|
|
|
__real__ y = -__imag__ x;
|
|
__imag__ y = __real__ x;
|
|
|
|
return __ccosh (y);
|
|
}
|
|
weak_alias (__ccos, ccos)
|
|
#ifdef NO_LONG_DOUBLE
|
|
strong_alias (__ccos, __ccosl)
|
|
weak_alias (__ccos, ccosl)
|
|
#endif
|