| /* Print floating point number in hexadecimal notation according to |
| ISO C99. |
| Copyright (C) 1997, 1998, 1999, 2000, 2005 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. */ |
| |
| #define PRINT_FPHEX_LONG_DOUBLE \ |
| do { \ |
| /* We have 112 bits of mantissa plus one implicit digit. Since \ |
| 112 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; \ |
| \ |
| assert (sizeof (long double) == 16); \ |
| \ |
| num0 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \ |
| | fpnum.ldbl.ieee.mantissa1); \ |
| num1 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa2) << 32 \ |
| | fpnum.ldbl.ieee.mantissa3); \ |
| \ |
| 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 = fpnum.ldbl.ieee.exponent == 0 ? '0' : '1'; \ |
| \ |
| exponent = fpnum.ldbl.ieee.exponent; \ |
| \ |
| if (exponent == 0) \ |
| { \ |
| if (zero_mantissa) \ |
| expnegative = 0; \ |
| else \ |
| { \ |
| /* This is a denormalized number. */ \ |
| expnegative = 1; \ |
| exponent = IEEE854_LONG_DOUBLE_BIAS - 1; \ |
| } \ |
| } \ |
| else if (exponent >= IEEE854_LONG_DOUBLE_BIAS) \ |
| { \ |
| expnegative = 0; \ |
| exponent -= IEEE854_LONG_DOUBLE_BIAS; \ |
| } \ |
| else \ |
| { \ |
| expnegative = 1; \ |
| exponent = -(exponent - IEEE854_LONG_DOUBLE_BIAS); \ |
| } \ |
| } while (0) |
| |
| #include <stdio-common/printf_fphex.c> |