1 /* Copyright (C) 1999, 2004 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* The actual implementation for all floating point sizes is in strtod.c. 20 These macros tell it to produce the `__float128' version, `strtold'. */ 21 22 #define FLOAT __float128 23 #define FLT FLT128 24 #ifdef USE_WIDE_CHAR 25 # define STRTOF wcstoflt128 26 # define __STRTOF __wcstoflt128 27 #else 28 # define STRTOF strtoflt128 29 # define __STRTOF __strtoflt128 30 #endif 31 #define MPN2FLOAT mpn_construct_float128 32 #define FLOAT_HUGE_VAL HUGE_VALQ 33 #define SET_MANTISSA(flt, mant) \ 34 do { ieee854_float128 u; \ 35 u.value = (flt); \ 36 u.ieee_nan.mantissa0 = 0; \ 37 u.ieee_nan.mantissa1 = 0; \ 38 u.ieee_nan.mantissa2 = (mant) >> 32; \ 39 u.ieee_nan.mantissa3 = (mant); \ 40 u.ieee_nan.quiet_nan = 1; \ 41 (flt) = u.value; \ 42 } while (0) 43 44 static inline __attribute__((__always_inline__)) 45 __float128 ____strtoflt128_internal (const char *, char **, int); 46 47 #include "strtod_l.c" 48 49 __float128 50 strtoflt128 (const char *nptr, char **endptr) 51 { 52 return ____STRTOF_INTERNAL (nptr, endptr, 0); 53 } 54