33 lines
1.1 KiB
C
33 lines
1.1 KiB
C
/* Compute argument of complex double value.
|
|
Copyright (C) 1997 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 <math.h>
|
|
|
|
double
|
|
__carg (__complex__ double x)
|
|
{
|
|
return __atan2 (__imag__ x, __real__ x);
|
|
}
|
|
weak_alias (__carg, carg)
|
|
#ifdef NO_LONG_DOUBLE
|
|
strong_alias (__carg, __cargl)
|
|
weak_alias (__carg, cargl)
|
|
#endif
|