diff options
Diffstat (limited to 'sysdeps/ieee754/float128/ieee754_float128.h')
| -rw-r--r-- | sysdeps/ieee754/float128/ieee754_float128.h | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/sysdeps/ieee754/float128/ieee754_float128.h b/sysdeps/ieee754/float128/ieee754_float128.h deleted file mode 100644 index e8e7211d88..0000000000 --- a/sysdeps/ieee754/float128/ieee754_float128.h +++ /dev/null @@ -1,140 +0,0 @@ -/* _Float128 IEEE like macros. - Copyright (C) 2017 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 _IEEE754_FLOAT128_H -#define _IEEE754_FLOAT128_H - -#include <endian.h> -#include <stdint.h> - -# if __FLOAT_WORD_ORDER == BIG_ENDIAN -# define __FLT_EORDER2(t, a, b) t a; t b; -# define __FLT_EORDER4(t, a, b, c, d) \ - t a; t b; t c; t d; -# define __FLT_EORDER6(t, a, b, c, d, e, f) \ - t a; t b; t c; t d; t e; t f; -# define __FLT_EORDER7(t, a, b, c, d, e, f, g) \ - t a; t b; t c; t d; t e; t f; t g; -# else -# define __FLT_EORDER2(t, a, b) \ - t b; t a; -# define __FLT_EORDER4(t, a, b, c, d) \ - t d; t c; t b; t a; -# define __FLT_EORDER6(t, a, b, c, d, e, f) \ - t f; t e; t d; t c; t b; t a; -# define __FLT_EORDER7(t, a, b, c, d, e, f, g) \ - t g; t f; t e; t d; t c; t b; t a; -# endif - -/* A union which permits us to convert between _Float128 and - four 32 bit ints or two 64 bit ints. */ - -typedef union -{ - _Float128 value; - struct - { - __FLT_EORDER2 (uint64_t, msw, lsw); - } parts64; - struct - { - __FLT_EORDER4 (uint32_t, w0, w1, w2, w3); - } parts32; -} ieee854_float128_shape_type; - -/* Get two 64 bit ints from a _Float128. */ - -# define GET_FLOAT128_WORDS64(ix0,ix1,d) \ -do { \ - ieee854_float128_shape_type qw_u; \ - qw_u.value = (d); \ - (ix0) = qw_u.parts64.msw; \ - (ix1) = qw_u.parts64.lsw; \ -} while (0) - -/* Set a _Float128 from two 64 bit ints. */ - -# define SET_FLOAT128_WORDS64(d,ix0,ix1) \ -do { \ - ieee854_float128_shape_type qw_u; \ - qw_u.parts64.msw = (ix0); \ - qw_u.parts64.lsw = (ix1); \ - (d) = qw_u.value; \ -} while (0) - -/* Get the more significant 64 bits of a _Float128 mantissa. */ - -# define GET_FLOAT128_MSW64(v,d) \ -do { \ - ieee854_float128_shape_type sh_u; \ - sh_u.value = (d); \ - (v) = sh_u.parts64.msw; \ -} while (0) - -/* Set the more significant 64 bits of a _Float128 mantissa from an int. */ - -# define SET_FLOAT128_MSW64(d,v) \ -do { \ - ieee854_float128_shape_type sh_u; \ - sh_u.value = (d); \ - sh_u.parts64.msw = (v); \ - (d) = sh_u.value; \ -} while (0) - -/* Get the least significant 64 bits of a _Float128 mantissa. */ - -# define GET_FLOAT128_LSW64(v,d) \ -do { \ - ieee854_float128_shape_type sh_u; \ - sh_u.value = (d); \ - (v) = sh_u.parts64.lsw; \ -} while (0) - -/* Likewise, some helper macros which are exposed via ieee754.h for - C99 real types, but not _Float128. */ - -union ieee854_float128 - { - _Float128 d; - - /* This is the IEEE 854 quad-precision format. */ - struct - { - __FLT_EORDER6 (unsigned int, negative:1, - exponent:15, - mantissa0:16, - mantissa1:32, - mantissa2:32, - mantissa3:32) - } ieee; - - /* This format makes it easier to see if a NaN is a signalling NaN. */ - struct - { - __FLT_EORDER7 (unsigned int, negative:1, - exponent:15, - quiet_nan:1, - mantissa0:15, - mantissa1:32, - mantissa2:32, - mantissa3:32) - } ieee_nan; - }; - -#define IEEE854_FLOAT128_BIAS 0x3fff /* Added to exponent. */ - -#endif |