faf2289fa1
* manual/intro.texi: Change reference from System Information to System Management. * manual/users.texi: Likewise. * manual/conf.texi: Likewise. * manual/sysinfo.texi: Document mount, umount, and umount2. Patch by Bryan Henderson <bryanh@giraffe-data.com>. 2000-04-17 Jakub Jelinek <jakub@redhat.com> * sysdeps/ieee754/ldbl-128/printf_fphex.c (PRINT_FPHEX_LONG_DOUBLE): Create wnumstr as well as numstr to support wide character output correctly. 2000-04-15 Jakub Jelinek <jakub@redhat.com> * sysdeps/sparc/sparc64/Makefile: Remove sysdep-CFLAGS modification and move it... * sysdeps/unix/sysv/linux/sparc/sparc64/Makefile: ...here. Add -melf64_sparc switch to $(LD) on sparc64-linux. * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Add -melf32_sparc switch to $(LD) on sparc-linux. 2000-04-17 Thorsten Kukuk <kukuk@suse.de> * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile: Remove setresgid and setresuid frm sysdep_routines. 2000-04-17 Ulrich Drepper <drepper@redhat.com> * manual/resource.texi: ...here. New file. Document ulimit, vlimit, and vtimes.
105 lines
4 KiB
C
105 lines
4 KiB
C
/* Print floating point number in hexadecimal notation according to
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ISO C99.
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Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#define PRINT_FPHEX_LONG_DOUBLE \
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do { \
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/* We have 112 bits of mantissa plus one implicit digit. Since \
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112 bits are representable without rest using hexadecimal \
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digits we use only the implicit digits for the number before \
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the decimal point. */ \
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unsigned long long int num0, num1; \
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\
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assert (sizeof (long double) == 16); \
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\
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num0 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa0) << 32 \
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| fpnum.ldbl.ieee.mantissa1); \
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num1 = (((unsigned long long int) fpnum.ldbl.ieee.mantissa2) << 32 \
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| fpnum.ldbl.ieee.mantissa3); \
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\
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zero_mantissa = (num0|num1) == 0; \
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\
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if (sizeof (unsigned long int) > 6) \
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{ \
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numstr = _itoa_word (num1, numbuf + sizeof numbuf, 16, \
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info->spec == 'A'); \
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wnumstr = _itowa_word (num1, wnumbuf + sizeof wnumbuf, 16, \
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info->spec == 'A'); \
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} \
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else \
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{ \
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numstr = _itoa (num1, numbuf + sizeof numbuf, 16, \
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info->spec == 'A'); \
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wnumstr = _itowa (num1, wnumbuf + sizeof wnumbuf, 16, \
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info->spec == 'A'); \
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} \
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\
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while (numstr > numbuf + (sizeof numbuf - 64 / 4)) \
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{ \
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*--numstr = '0'; \
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*--wnumstr = L'0'; \
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} \
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\
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if (sizeof (unsigned long int) > 6) \
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{ \
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numstr = _itoa_word (num0, numstr, 16, info->spec == 'A'); \
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wnumstr = _itowa_word (num0, wnumstr, 16, info->spec == 'A'); \
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} \
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else \
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{ \
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numstr = _itoa (num0, numstr, 16, info->spec == 'A'); \
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wnumstr = _itowa (num0, wnumstr, 16, info->spec == 'A'); \
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} \
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\
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/* Fill with zeroes. */ \
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while (numstr > numbuf + (sizeof numbuf - 112 / 4)) \
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{ \
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*--numstr = '0'; \
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*--wnumstr = L'0'; \
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} \
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\
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leading = fpnum.ldbl.ieee.exponent == 0 ? '0' : '1'; \
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\
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exponent = fpnum.ldbl.ieee.exponent; \
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\
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if (exponent == 0) \
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{ \
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if (zero_mantissa) \
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expnegative = 0; \
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else \
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{ \
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/* This is a denormalized number. */ \
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expnegative = 1; \
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exponent = IEEE854_LONG_DOUBLE_BIAS - 1; \
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} \
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} \
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else if (exponent >= IEEE854_LONG_DOUBLE_BIAS) \
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{ \
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expnegative = 0; \
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exponent -= IEEE854_LONG_DOUBLE_BIAS; \
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} \
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else \
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{ \
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expnegative = 1; \
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exponent = -(exponent - IEEE854_LONG_DOUBLE_BIAS); \
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} \
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} while (0)
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#include <sysdeps/generic/printf_fphex.c>
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