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Diffstat (limited to 'sysdeps/ia64/ieee754.h')
| -rw-r--r-- | sysdeps/ia64/ieee754.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/sysdeps/ia64/ieee754.h b/sysdeps/ia64/ieee754.h deleted file mode 100644 index 44629430f8..0000000000 --- a/sysdeps/ia64/ieee754.h +++ /dev/null @@ -1,205 +0,0 @@ -/* Copyright (C) 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 _IEEE754_H - -#define _IEEE754_H 1 -#include <features.h> - -#include <endian.h> - -__BEGIN_DECLS - -union ieee754_float - { - float f; - - /* This is the IEEE 754 single-precision format. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int negative:1; - unsigned int exponent:8; - unsigned int mantissa:23; -#endif /* Big endian. */ -#if __BYTE_ORDER == __LITTLE_ENDIAN - unsigned int mantissa:23; - unsigned int exponent:8; - unsigned int negative:1; -#endif /* Little endian. */ - } ieee; - - /* This format makes it easier to see if a NaN is a signalling NaN. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int negative:1; - unsigned int exponent:8; - unsigned int quiet_nan:1; - unsigned int mantissa:22; -#endif /* Big endian. */ -#if __BYTE_ORDER == __LITTLE_ENDIAN - unsigned int mantissa:22; - unsigned int quiet_nan:1; - unsigned int exponent:8; - unsigned int negative:1; -#endif /* Little endian. */ - } ieee_nan; - }; - -#define IEEE754_FLOAT_BIAS 0x7f /* Added to exponent. */ - - -union ieee754_double - { - double d; - - /* This is the IEEE 754 double-precision format. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int negative:1; - unsigned int exponent:11; - /* Together these comprise the mantissa. */ - unsigned int mantissa0:20; - unsigned int mantissa1:32; -#endif /* Big endian. */ -#if __BYTE_ORDER == __LITTLE_ENDIAN -# if __FLOAT_WORD_ORDER == __BIG_ENDIAN - unsigned int mantissa0:20; - unsigned int exponent:11; - unsigned int negative:1; - unsigned int mantissa1:32; -# else - /* Together these comprise the mantissa. */ - unsigned int mantissa1:32; - unsigned int mantissa0:20; - unsigned int exponent:11; - unsigned int negative:1; -# endif -#endif /* Little endian. */ - } ieee; - - /* This format makes it easier to see if a NaN is a signalling NaN. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int negative:1; - unsigned int exponent:11; - unsigned int quiet_nan:1; - /* Together these comprise the mantissa. */ - unsigned int mantissa0:19; - unsigned int mantissa1:32; -#else -# if __FLOAT_WORD_ORDER == __BIG_ENDIAN - unsigned int mantissa0:19; - unsigned int quiet_nan:1; - unsigned int exponent:11; - unsigned int negative:1; - unsigned int mantissa1:32; -# else - /* Together these comprise the mantissa. */ - unsigned int mantissa1:32; - unsigned int mantissa0:19; - unsigned int quiet_nan:1; - unsigned int exponent:11; - unsigned int negative:1; -# endif -#endif - } ieee_nan; - }; - -#define IEEE754_DOUBLE_BIAS 0x3ff /* Added to exponent. */ - - -union ieee854_long_double - { - long double d; - - /* This is the IEEE 854 double-extended-precision format. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int empty0:32; - unsigned int negative:1; - unsigned int exponent:15; - unsigned int empty1:16; - unsigned int mantissa0:32; - unsigned int mantissa1:32; -#endif -#if __BYTE_ORDER == __LITTLE_ENDIAN -# if __FLOAT_WORD_ORDER == __BIG_ENDIAN - unsigned int empty0:32; - unsigned int exponent:15; - unsigned int negative:1; - unsigned int empty1:16; - unsigned int mantissa0:32; - unsigned int mantissa1:32; -# else - unsigned int mantissa1:32; - unsigned int mantissa0:32; - unsigned int exponent:15; - unsigned int negative:1; - unsigned int empty1:16; - unsigned int empty0:32; -# endif -#endif - } ieee; - - /* This is for NaNs in the IEEE 854 double-extended-precision format. */ - struct - { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned int empty0:32; - unsigned int negative:1; - unsigned int exponent:15; - unsigned int empty1:16; - unsigned int one:1; - unsigned int quiet_nan:1; - unsigned int mantissa0:30; - unsigned int mantissa1:32; -#endif -#if __BYTE_ORDER == __LITTLE_ENDIAN -# if __FLOAT_WORD_ORDER == __BIG_ENDIAN - unsigned int empty0:32; - unsigned int exponent:15; - unsigned int negative:1; - unsigned int empty1:16; - unsigned int mantissa0:30; - unsigned int quiet_nan:1; - unsigned int one:1; - unsigned int mantissa1:32; -# else - unsigned int mantissa1:32; - unsigned int mantissa0:30; - unsigned int quiet_nan:1; - unsigned int one:1; - unsigned int exponent:15; - unsigned int negative:1; - unsigned int empty1:16; - unsigned int empty0:32; -# endif -#endif - } ieee_nan; - }; - -#define IEEE854_LONG_DOUBLE_BIAS 0x3fff - -__END_DECLS - -#endif /* ieee754.h */ |