/* Copyright (C) 1998, 1999, 2000 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

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

enum
  {
    FE_INEXACT = 0x01,
#define FE_INEXACT	FE_INEXACT
    FE_UNDERFLOW = 0x02,
#define FE_UNDERFLOW	FE_UNDERFLOW
    FE_OVERFLOW = 0x04,
#define FE_OVERFLOW	FE_OVERFLOW
    FE_DIVBYZERO = 0x08,
#define FE_DIVBYZERO	FE_DIVBYZERO
    FE_INVALID = 0x10,
#define FE_INVALID	FE_INVALID
  };

#define FE_ALL_EXCEPT \
	(FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID)

enum
  {
    FE_TONEAREST = 0x0,
#define FE_TONEAREST	FE_TONEAREST
    FE_TOWARDZERO = 0x1,
#define FE_TOWARDZERO	FE_TOWARDZERO
    FE_DOWNWARD = 0x2,
#define FE_DOWNWARD	FE_DOWNWARD
    FE_UPWARD = 0x3
#define FE_UPWARD	FE_UPWARD
  };


typedef unsigned int fexcept_t;
typedef unsigned int fenv_t;

/* If the default argument is used we use this value.  */
#define FE_DFL_ENV	((__const fenv_t *) -1)

#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
