diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128/math_ldbl.h')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/math_ldbl.h | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/sysdeps/ieee754/ldbl-128/math_ldbl.h b/sysdeps/ieee754/ldbl-128/math_ldbl.h deleted file mode 100644 index bb5cce2a36..0000000000 --- a/sysdeps/ieee754/ldbl-128/math_ldbl.h +++ /dev/null @@ -1,120 +0,0 @@ -/* Manipulation of the bit representation of 'long double' quantities. - Copyright (C) 1999-2017 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 _MATH_LDBL_H_ -#define _MATH_LDBL_H_ 1 - -#include <stdint.h> -#include <endian.h> - -/* A union which permits us to convert between a long double and - four 32 bit ints or two 64 bit ints. */ - -#if __FLOAT_WORD_ORDER == __BIG_ENDIAN - -typedef union -{ - long double value; - struct - { - uint64_t msw; - uint64_t lsw; - } parts64; - struct - { - uint32_t w0, w1, w2, w3; - } parts32; -} ieee854_long_double_shape_type; - -#endif - -#if __FLOAT_WORD_ORDER == __LITTLE_ENDIAN - -typedef union -{ - long double value; - struct - { - uint64_t lsw; - uint64_t msw; - } parts64; - struct - { - uint32_t w3, w2, w1, w0; - } parts32; -} ieee854_long_double_shape_type; - -#endif - -/* Get two 64 bit ints from a long double. */ - -#define GET_LDOUBLE_WORDS64(ix0,ix1,d) \ -do { \ - ieee854_long_double_shape_type qw_u; \ - qw_u.value = (d); \ - (ix0) = qw_u.parts64.msw; \ - (ix1) = qw_u.parts64.lsw; \ -} while (0) - -/* Set a long double from two 64 bit ints. */ - -#define SET_LDOUBLE_WORDS64(d,ix0,ix1) \ -do { \ - ieee854_long_double_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 long double mantissa. */ - -#define GET_LDOUBLE_MSW64(v,d) \ -do { \ - ieee854_long_double_shape_type sh_u; \ - sh_u.value = (d); \ - (v) = sh_u.parts64.msw; \ -} while (0) - -/* Set the more significant 64 bits of a long double mantissa from an int. */ - -#define SET_LDOUBLE_MSW64(d,v) \ -do { \ - ieee854_long_double_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 long double mantissa. */ - -#define GET_LDOUBLE_LSW64(v,d) \ -do { \ - ieee854_long_double_shape_type sh_u; \ - sh_u.value = (d); \ - (v) = sh_u.parts64.lsw; \ -} while (0) - -/* - On a platform already supporting a binary128 long double, - _Float128 will alias to long double. This transformation - makes aliasing *l functions to *f128 trivial. -*/ -#define _Float128 long double -#define L(x) x##L - -#endif /* math_ldbl.h */ |