Consolidate sched_getcpu
[glibc.git] / math / s_cprojf.c
blob531d10e14f566285eeed4f3461cefca45523ce6c
1 /* Compute projection of complex float value to Riemann sphere.
2 Copyright (C) 1997-2015 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>
21 #include <math.h>
22 #include <math_private.h>
25 __complex__ float
26 __cprojf (__complex__ float x)
28 if (__isinf_nsf (__real__ x) || __isinf_nsf (__imag__ x))
30 __complex__ float res;
32 __real__ res = INFINITY;
33 __imag__ res = __copysignf (0.0, __imag__ x);
35 return res;
38 return x;
40 #ifndef __cprojf
41 weak_alias (__cprojf, cprojf)
42 #endif