1 /* Multiple versions of copysign.
2 Copyright (C) 2013-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
19 #define NO_MATH_REDIRECT
20 /* Redefine copysign so that the compiler won't complain about the type
21 mismatch with the IFUNC selector in strong_alias below. */
23 #define __copysign __redirect_copysign
25 #include <math_ldbl_opt.h>
27 #include <shlib-compat.h>
28 #include "init-arch.h"
29 #include <libm-alias-double.h>
31 extern __typeof (__redirect_copysign
) __copysign_ppc64 attribute_hidden
;
32 extern __typeof (__redirect_copysign
) __copysign_power6 attribute_hidden
;
34 extern __typeof (__redirect_copysign
) __libm_copysign
;
35 libc_ifunc (__libm_copysign
,
36 (hwcap
& PPC_FEATURE_ARCH_2_05
)
40 strong_alias (__libm_copysign
, __copysign
)
41 libm_alias_double (__copysign
, copysign
)
43 #if LONG_DOUBLE_COMPAT (libc, GLIBC_2_0)
44 compat_symbol (libc
, __copysign
, copysignl
, GLIBC_2_0
);