|  | /* Return the complex absolute value of double complex value. | 
|  | Copyright (C) 1997-2016 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 | 
|  | __cabs (double _Complex z) | 
|  | { | 
|  | return __hypot (__real__ z, __imag__ z); | 
|  | } | 
|  | weak_alias (__cabs, cabs) | 
|  | #ifdef NO_LONG_DOUBLE | 
|  | strong_alias (__cabs, __cabsl) | 
|  | weak_alias (__cabs, cabsl) | 
|  | #endif |