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/* Copyright (C) 1998, 1999, 2000, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Alexandre Oliva <aoliva@redhat.com>
based on the corresponding file in the mips port.
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
/* Define bits representing the exception. We use the EF bit
positions of the appropriate bits in the FPCR register. */
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)
/* The AM33/2.0 FPU supports only Round to nearest. Bits 3<<16 are
reserved to represent other rounding modes. */
enum
{
FE_TONEAREST = 0x00000,
#define FE_TONEAREST FE_TONEAREST
};
/* Type representing exception flags. */
typedef unsigned int fexcept_t;
/* Type representing floating-point environment. */
typedef unsigned int fenv_t;
/* If the default argument is used we use this value. */
#define FE_DFL_ENV ((__const fenv_t *) -1)
#ifdef __USE_GNU
/* Floating-point environment where none of the exception is masked. */
# define FE_NOMASK_ENV ((__const fenv_t *) -2)
#endif
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