1 /* Copy a sign bit between floating-point values.
2 IBM extended format long double version.
3 Copyright (C) 2004-2015 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
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/>. */
21 #include <math_ldbl_opt.h>
24 /* long double [f1,f2] copysign (long double [f1,f2] x, long double [f3,f4] y);
25 copysign(x,y) returns a value with the magnitude of x and
26 with the sign bit of y. */
47 long_double_symbol (libm, __copysignl, copysignl)
49 long_double_symbol (libc, __copysignl, copysignl)