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41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/* Copyright (C) 2000, 2006 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Richard Henderson.
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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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#include <math.h>
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#include <math_ldbl_opt.h>
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double
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__copysign (double x, double y)
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{
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__asm ("cpys %1, %2, %0" : "=f" (x) : "f" (y), "f" (x));
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return x;
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}
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weak_alias (__copysign, copysign)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__copysign, __copysignl)
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weak_alias (__copysign, copysignl)
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#endif
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#ifdef 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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