Loading...
/* Copyright (C) 1997, 1998, 1999, 2000, 2001 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) |