/* Return positive difference between arguments.
   Copyright (C) 1997-2013 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.

   The GNU C Library 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 2.1 of the License, or (at your option) any later version.

   The GNU C Library 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 the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

#ifndef __FDLIBM_H__
#include "fdlibm.h"
#endif

double __fdim(double x, double y)
{
	double r;

	if (islessequal(x, y))
		return 0.0;

	r = x - y;

	if (isinf(r) && !isinf(x) && !isinf(y))
		__set_errno(ERANGE);

	return r;
}

__typeof(__fdim) fdim __attribute__((weak, alias("__fdim")));
#ifdef __NO_LONG_DOUBLE_MATH
__typeof(fdiml) __fdiml __attribute__((alias("__fdim")));
__typeof(__fdiml) fdiml __attribute__((weak, alias("__fdim")));
#endif
