From 9cee42f10dbc5b33866ff137b926a74abd7c1a5b Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Fri, 1 Mar 2002 20:46:26 +0000 Subject: Major rework of the include files to eliminate redundancy and to better support each arch. This is a really big patch... -Erik --- libc/sysdeps/linux/common/bits/fenv.h | 56 +++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 libc/sysdeps/linux/common/bits/fenv.h (limited to 'libc/sysdeps/linux/common/bits/fenv.h') diff --git a/libc/sysdeps/linux/common/bits/fenv.h b/libc/sysdeps/linux/common/bits/fenv.h new file mode 100644 index 000000000..a9cb53b40 --- /dev/null +++ b/libc/sysdeps/linux/common/bits/fenv.h @@ -0,0 +1,56 @@ +/* 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _FENV_H +# error "Never use directly; include 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) -- cgit v1.2.3