License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <ldbl-128/printf_fphex_macros.h>
#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; \
- union ieee854_long_double u; \
- u.d = fpnum.ldbl; \
- \
- assert (sizeof (long double) == 16); \
- \
- num0 = (((unsigned long long int) u.ieee.mantissa0) << 32 \
- | u.ieee.mantissa1); \
- num1 = (((unsigned long long int) u.ieee.mantissa2) << 32 \
- | u.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 = u.ieee.exponent == 0 ? '0' : '1'; \
- \
- exponent = u.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)
+ PRINT_FPHEX (long double, fpnum.ldbl, ieee854_long_double, \
+ IEEE854_LONG_DOUBLE_BIAS)
#include <stdio-common/printf_fphex.c>
--- /dev/null
+/* Macro to print floating point numbers in hexadecimal notation.
+ 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/>. */
+
+#define PRINT_FPHEX(FLOAT, VAR, IEEE854_UNION, IEEE854_BIAS) \
+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; \
+ union IEEE854_UNION u; \
+ u.d = VAR; \
+ \
+ assert (sizeof (FLOAT) == 16); \
+ \
+ num0 = (((unsigned long long int) u.ieee.mantissa0) << 32 \
+ | u.ieee.mantissa1); \
+ num1 = (((unsigned long long int) u.ieee.mantissa2) << 32 \
+ | u.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 = u.ieee.exponent == 0 ? '0' : '1'; \
+ \
+ exponent = u.ieee.exponent; \
+ \
+ if (exponent == 0) \
+ { \
+ if (zero_mantissa) \
+ expnegative = 0; \
+ else \
+ { \
+ /* This is a denormalized number. */ \
+ expnegative = 1; \
+ exponent = IEEE854_BIAS - 1; \
+ } \
+ } \
+ else if (exponent >= IEEE854_BIAS) \
+ { \
+ expnegative = 0; \
+ exponent -= IEEE854_BIAS; \
+ } \
+ else \
+ { \
+ expnegative = 1; \
+ exponent = -(exponent - IEEE854_BIAS); \
+ } \
+} while (0)
projects / thirdparty / glibc.git / commitdiff
