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/* Double-precision math error handling.
   Copyright (C) 2019 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   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/>.  */

#include <fpu/math-barriers.h>
#include "math_config_dbl.h"

/* NOINLINE reduces code size.  */
NOINLINE static double
xflow (uint32_t sign, double y)
{
  y = math_opt_barrier (sign ? -y : y) * y;
  return y;
}

attribute_hidden double
__math_uflow (uint32_t sign)
{
  return xflow (sign, 0x1p-767);
}

attribute_hidden double
__math_oflow (uint32_t sign)
{
  return xflow (sign, 0x1p769);
}