/* Copyright (C) 1997-2018 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/>.  */

#ifndef _FENV_H

# error "Never use <bits/fenv.h> directly; include <fenv.h> instead."

#endif

/* Here should be the exception be defined:

    FE_INVALID

    FE_DIVBYZERO

    FE_OVERFLOW

    FE_UNDERFLOW

    FE_INEXACT

   We define no macro which signals no exception is supported.  */

#define FE_ALL_EXCEPT 0

/* Here should the rounding modes be defined:

    FE_TONEAREST

    FE_DOWNWARD

    FE_UPWARD

    FE_TOWARDZERO

   We define no macro which signals no rounding mode is selectable.  */

/* Type representing exception flags.  */

typedef unsigned int fexcept_t;

/* Type representing floating-point environment.  */

typedef struct

  {

    fexcept_t __excepts;

    /* XXX I don't know what else we should save.  */

  }

fenv_t;

/* If the default argument is used we use this value.  */

#define FE_DFL_ENV	((const fenv_t *) -1l)

#if __GLIBC_USE (IEC_60559_BFP_EXT)

/* Type representing floating-point control modes.  */

typedef unsigned int femode_t;

/* Default floating-point control modes.  */

# define FE_DFL_MODE	((const femode_t *) -1L)

#endif