New <math.h> macro named issignaling to check for a signaling NaN (sNaN).
[glibc.git] / math / cimag.c
blob0c571cd4252958e9c660467d5f4f6f6810adae5e
1 /* Return imaginary part of complex double value.
2 Copyright (C) 1997-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
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.
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
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #include <complex.h>
22 double
23 __cimag (double _Complex z)
25 return __imag__ z;
27 weak_alias (__cimag, cimag)
28 #ifdef NO_LONG_DOUBLE
29 strong_alias (__cimag, __cimagl)
30 weak_alias (__cimag, cimagl)
31 #endif