mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-30 10:45:40 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			68 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			68 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright (C) 1999, 2006, 2007 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/>.  */
 | |
| 
 | |
| #include <math.h>
 | |
| #include <stdlib.h>
 | |
| #include <wchar.h>
 | |
| #include <xlocale.h>
 | |
| 
 | |
| /* The actual implementation for all floating point sizes is in strtod.c.
 | |
|    These macros tell it to produce the `long double' version, `strtold'.  */
 | |
| 
 | |
| #define FLOAT		long double
 | |
| #define FLT		LDBL
 | |
| #ifdef USE_WIDE_CHAR
 | |
| extern long double ____new_wcstold_l (const wchar_t *, wchar_t **, __locale_t);
 | |
| # define STRTOF		__new_wcstold_l
 | |
| # define __STRTOF	____new_wcstold_l
 | |
| # define ____STRTOF_INTERNAL ____wcstold_l_internal
 | |
| #else
 | |
| extern long double ____new_strtold_l (const char *, char **, __locale_t);
 | |
| # define STRTOF		__new_strtold_l
 | |
| # define __STRTOF	____new_strtold_l
 | |
| # define ____STRTOF_INTERNAL ____strtold_l_internal
 | |
| #endif
 | |
| extern __typeof (__STRTOF) STRTOF;
 | |
| libc_hidden_proto (__STRTOF)
 | |
| libc_hidden_proto (STRTOF)
 | |
| #define MPN2FLOAT	__mpn_construct_long_double
 | |
| #define FLOAT_HUGE_VAL	HUGE_VALL
 | |
| # define SET_MANTISSA(flt, mant) \
 | |
|   do { union ibm_extended_long_double u;				      \
 | |
|        u.d = (flt);							      \
 | |
|        if ((mant & 0xfffffffffffffULL) == 0)				      \
 | |
| 	 mant = 0x8000000000000ULL;					      \
 | |
|        u.ieee.mantissa0 = ((mant) >> 32) & 0xfffff;			      \
 | |
|        u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
 | |
|        (flt) = u.d;							      \
 | |
|   } while (0)
 | |
| 
 | |
| #include <strtod_l.c>
 | |
| 
 | |
| #ifdef __LONG_DOUBLE_MATH_OPTIONAL
 | |
| # include <math_ldbl_opt.h>
 | |
| # ifdef USE_WIDE_CHAR
 | |
| weak_alias (____new_wcstold_l, ___new_wcstold_l);
 | |
| long_double_symbol (libc, ___new_wcstold_l, wcstold_l);
 | |
| long_double_symbol (libc, ____new_wcstold_l, __wcstold_l);
 | |
| # else
 | |
| weak_alias (____new_strtold_l, ___new_strtold_l);
 | |
| long_double_symbol (libc, ___new_strtold_l, strtold_l);
 | |
| long_double_symbol (libc, ____new_strtold_l, __strtold_l);
 | |
| # endif
 | |
| #endif
 |