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/* Absolute value.
Copyright (C) 2012-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
/* Specification. */
#include <math.h>
/* fabsl (x) can be defined as copysignl (x, 1.0L).
Or, more directly, as (signbit (x) ? - x : x). */
#if HAVE_SAME_LONG_DOUBLE_AS_DOUBLE
long double
fabsl (long double x)
{
return fabs (x);
}
#else
long double
fabsl (long double x)
{
return (signbit (x) ? - x : x);
}
#endif
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