/* Total order operation.  flt-32 version.

   Copyright (C) 2016-2018 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 <math.h>

#include <math_private.h>

#include <libm-alias-float.h>

#include <nan-high-order-bit.h>

#include <stdint.h>

int

__totalorderf (float x, float y)

{

  int32_t ix, iy;

  GET_FLOAT_WORD (ix, x);

  GET_FLOAT_WORD (iy, y);

#if HIGH_ORDER_BIT_IS_SET_FOR_SNAN

  /* For the preferred quiet NaN convention, this operation is a

     comparison of the representations of the arguments interpreted as

     sign-magnitude integers.  If both arguments are NaNs, invert the

     quiet/signaling bit so comparing that way works.  */

  if ((ix & 0x7fffffff) > 0x7f800000 && (iy & 0x7fffffff) > 0x7f800000)

    {

      ix ^= 0x00400000;

      iy ^= 0x00400000;

    }

#endif

  uint32_t ix_sign = ix >> 31;

  uint32_t iy_sign = iy >> 31;

  ix ^= ix_sign >> 1;

  iy ^= iy_sign >> 1;

  return ix <= iy;

}

libm_alias_float (__totalorder, totalorder)