42 lines
1.3 KiB
C
42 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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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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__fabs (double x)
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{
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#if __GNUC_PREREQ (2, 8)
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return __builtin_fabs (x);
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#else
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__asm ("cpys $f31, %1, %0" : "=f" (x) : "f" (x));
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return x;
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#endif
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}
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weak_alias (__fabs, fabs)
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#ifdef NO_LONG_DOUBLE
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strong_alias (__fabs, __fabsl)
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weak_alias (__fabs, fabsl)
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#endif
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#if LONG_DOUBLE_COMPAT(libm, GLIBC_2_0)
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compat_symbol (libm, __fabs, fabsl, GLIBC_2_0);
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#endif
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