diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/printf_fphex.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/printf_fphex.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c b/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c deleted file mode 100644 index 2f87ec17cc..0000000000 --- a/sysdeps/ieee754/ldbl-128ibm/printf_fphex.c +++ /dev/null @@ -1,139 +0,0 @@ -/* Print floating point number in hexadecimal notation according to ISO C99. - Copyright (C) 1997-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. - - 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/>. */ - -#define PRINT_FPHEX_LONG_DOUBLE \ -do { \ - /* We have 105 bits of mantissa plus one implicit digit. Since \ - 106 bits are representable without rest using hexadecimal \ - digits we use only the implicit digits for the number before \ - the decimal point. */ \ - unsigned long long int num0, num1; \ - unsigned long long hi, lo; \ - int ediff; \ - union ibm_extended_long_double u; \ - u.ld = fpnum.ldbl; \ - \ - assert (sizeof (long double) == 16); \ - \ - lo = ((long long)u.d[1].ieee.mantissa0 << 32) | u.d[1].ieee.mantissa1; \ - hi = ((long long)u.d[0].ieee.mantissa0 << 32) | u.d[0].ieee.mantissa1; \ - lo <<= 7; /* pre-shift lo to match ieee854. */ \ - /* If the lower double is not a denormal or zero then set the hidden \ - 53rd bit. */ \ - if (u.d[1].ieee.exponent != 0) \ - lo |= (1ULL << (52 + 7)); \ - else \ - lo <<= 1; \ - /* The lower double is normalized separately from the upper. We \ - may need to adjust the lower manitissa to reflect this. */ \ - ediff = u.d[0].ieee.exponent - u.d[1].ieee.exponent - 53; \ - if (ediff > 63) \ - lo = 0; \ - else if (ediff > 0) \ - lo = lo >> ediff; \ - else if (ediff < 0) \ - lo = lo << -ediff; \ - if (u.d[0].ieee.negative != u.d[1].ieee.negative \ - && lo != 0) \ - { \ - lo = (1ULL << 60) - lo; \ - if (hi == 0L) \ - { \ - /* we have a borrow from the hidden bit, so shift left 1. */ \ - hi = 0xffffffffffffeLL | (lo >> 59); \ - lo = 0xfffffffffffffffLL & (lo << 1); \ - u.d[0].ieee.exponent--; \ - } \ - else \ - hi--; \ - } \ - num1 = (hi << 60) | lo; \ - num0 = hi >> 4; \ - \ - zero_mantissa = (num0|num1) == 0; \ - \ - if (sizeof (unsigned long int) > 6) \ - { \ - numstr = _itoa_word (num1, numbuf + sizeof numbuf, 16, \ - info->spec == 'A'); \ - wnumstr = _itowa_word (num1, \ - wnumbuf + sizeof (wnumbuf) / sizeof (wchar_t),\ - 16, info->spec == 'A'); \ - } \ - else \ - { \ - numstr = _itoa (num1, numbuf + sizeof numbuf, 16, \ - info->spec == 'A'); \ - wnumstr = _itowa (num1, \ - wnumbuf + sizeof (wnumbuf) / sizeof (wchar_t), \ - 16, info->spec == 'A'); \ - } \ - \ - while (numstr > numbuf + (sizeof numbuf - 64 / 4)) \ - { \ - *--numstr = '0'; \ - *--wnumstr = L'0'; \ - } \ - \ - if (sizeof (unsigned long int) > 6) \ - { \ - numstr = _itoa_word (num0, numstr, 16, info->spec == 'A'); \ - wnumstr = _itowa_word (num0, wnumstr, 16, info->spec == 'A'); \ - } \ - else \ - { \ - numstr = _itoa (num0, numstr, 16, info->spec == 'A'); \ - wnumstr = _itowa (num0, wnumstr, 16, info->spec == 'A'); \ - } \ - \ - /* Fill with zeroes. */ \ - while (numstr > numbuf + (sizeof numbuf - 112 / 4)) \ - { \ - *--numstr = '0'; \ - *--wnumstr = L'0'; \ - } \ - \ - leading = u.d[0].ieee.exponent == 0 ? '0' : '1'; \ - \ - exponent = u.d[0].ieee.exponent; \ - \ - if (exponent == 0) \ - { \ - if (zero_mantissa) \ - expnegative = 0; \ - else \ - { \ - /* This is a denormalized number. */ \ - expnegative = 1; \ - exponent = IEEE754_DOUBLE_BIAS - 1; \ - } \ - } \ - else if (exponent >= IEEE754_DOUBLE_BIAS) \ - { \ - expnegative = 0; \ - exponent -= IEEE754_DOUBLE_BIAS; \ - } \ - else \ - { \ - expnegative = 1; \ - exponent = -(exponent - IEEE754_DOUBLE_BIAS); \ - } \ -} while (0) - -#include <stdio-common/printf_fphex.c> |