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glibc  2.9
fenv_libc.h
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00001 /* Internal libc stuff for floating point environment routines.
00002    Copyright (C) 2000 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #ifndef _FENV_LIBC_H
00021 #define _FENV_LIBC_H 1
00022 
00023 #include <fenv.h>
00024 
00025 #define FPCR_ROUND_MASK            (3UL << 58)
00026 #define FPCR_ROUND_SHIFT    58
00027 
00028 #define SWCR_MAP_MASK              (3UL << 12)
00029 #define SWCR_ENABLE_SHIFT   16
00030 #define SWCR_ENABLE_MASK    (FE_ALL_EXCEPT >> SWCR_ENABLE_SHIFT)
00031 #define SWCR_STATUS_MASK    (FE_ALL_EXCEPT)
00032 #define SWCR_ALL_MASK              (SWCR_ENABLE_MASK    \
00033                             | SWCR_MAP_MASK             \
00034                             | SWCR_STATUS_MASK)
00035 
00036 #endif /* fenv_libc.h */