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52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* Multiple versions of copysign.
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Copyright (C) 2013-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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/* Redefine copysign so that the compiler won't complain about the type
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mismatch with the IFUNC selector in strong_alias below. */
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#undef __copysign
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#define __copysign __redirect_copysign
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#include <math.h>
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#include <math_ldbl_opt.h>
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#undef __copysign
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#include <shlib-compat.h>
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#include "init-arch.h"
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extern __typeof (__redirect_copysign) __copysign_ppc32 attribute_hidden;
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extern __typeof (__redirect_copysign) __copysign_power6 attribute_hidden;
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extern __typeof (__redirect_copysign) __libm_copysign;
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libc_ifunc (__libm_copysign,
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(hwcap & PPC_FEATURE_ARCH_2_05)
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? __copysign_power6
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: __copysign_ppc32);
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strong_alias (__libm_copysign, __copysign)
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weak_alias (__copysign, copysign)
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#ifdef NO_LONG_DOUBLE
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weak_alias (__copysign,copysignl)
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strong_alias(__copysign,__copysignl)
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#endif
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#if IS_IN (libm)
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# if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __copysign, copysignl, GLIBC_2_0);
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# endif
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#elif LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
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compat_symbol (libc, __copysign, copysignl, GLIBC_2_0);
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#endif
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