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b6ab06ce | 1 | /* Compute argument of complex float value. |
b168057a | 2 | Copyright (C) 1997-2015 Free Software Foundation, Inc. |
478b92f0 | 3 | This file is part of the GNU C Library. |
b6ab06ce | 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. |
478b92f0 UD |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
478b92f0 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
478b92f0 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 | 19 | |
b6ab06ce UD |
20 | #include <complex.h> |
21 | #include <math.h> | |
28f540f4 | 22 | |
b6ab06ce UD |
23 | float |
24 | __cargf (__complex__ float x) | |
28f540f4 | 25 | { |
b6ab06ce | 26 | return __atan2f (__imag__ x, __real__ x); |
28f540f4 | 27 | } |
b6ab06ce | 28 | weak_alias (__cargf, cargf) |