glibc/stdlib/strtold.c

/* 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_IN_EXTENDED_LOCALE_MODEL
# define STRTOF		__strtold_l
#else
# define STRTOF		strtold
#endif
#define	MPN2FLOAT	__mpn_construct_long_double
#define	FLOAT_HUGE_VAL	HUGE_VALL
#define SET_MANTISSA(flt, mant) \
  do { union ieee854_long_double u;					      \
       u.d = (flt);							      \
       if ((mant & 0x7fffffffffffffffULL) == 0)				      \
	 mant = 0x4000000000000000ULL;					      \
       u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000;	      \
       u.ieee.mantissa1 = (mant) & 0xffffffff;				      \
       (flt) = u.d;							      \
  } while (0)

#include "strtod.c"