xref: /haiku/src/system/libroot/posix/glibc/wcsmbs/wcstof.c (revision 5af32e752606778be5dd7379f319fe43cb3f6b8c)
1*5af32e75SAxel Dörfler /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
2*5af32e75SAxel Dörfler    This file is part of the GNU C Library.
3*5af32e75SAxel Dörfler    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
4*5af32e75SAxel Dörfler 
5*5af32e75SAxel Dörfler    The GNU C Library is free software; you can redistribute it and/or
6*5af32e75SAxel Dörfler    modify it under the terms of the GNU Lesser General Public
7*5af32e75SAxel Dörfler    License as published by the Free Software Foundation; either
8*5af32e75SAxel Dörfler    version 2.1 of the License, or (at your option) any later version.
9*5af32e75SAxel Dörfler 
10*5af32e75SAxel Dörfler    The GNU C Library is distributed in the hope that it will be useful,
11*5af32e75SAxel Dörfler    but WITHOUT ANY WARRANTY; without even the implied warranty of
12*5af32e75SAxel Dörfler    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13*5af32e75SAxel Dörfler    Lesser General Public License for more details.
14*5af32e75SAxel Dörfler 
15*5af32e75SAxel Dörfler    You should have received a copy of the GNU Lesser General Public
16*5af32e75SAxel Dörfler    License along with the GNU C Library; if not, write to the Free
17*5af32e75SAxel Dörfler    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18*5af32e75SAxel Dörfler    02111-1307 USA.  */
19*5af32e75SAxel Dörfler 
20*5af32e75SAxel Dörfler 
21*5af32e75SAxel Dörfler /* The actual implementation for all floating point sizes is in strtod.c.
22*5af32e75SAxel Dörfler    These macros tell it to produce the `float' version, `wcstof'.  */
23*5af32e75SAxel Dörfler 
24*5af32e75SAxel Dörfler #define	FLOAT		float
25*5af32e75SAxel Dörfler #define	FLT		FLT
26*5af32e75SAxel Dörfler #ifdef USE_IN_EXTENDED_LOCALE_MODEL
27*5af32e75SAxel Dörfler # define STRTOF		__wcstof_l
28*5af32e75SAxel Dörfler #else
29*5af32e75SAxel Dörfler # define STRTOF		wcstof
30*5af32e75SAxel Dörfler #endif
31*5af32e75SAxel Dörfler #define	MPN2FLOAT	__mpn_construct_float
32*5af32e75SAxel Dörfler #define	FLOAT_HUGE_VAL	HUGE_VALF
33*5af32e75SAxel Dörfler #define	USE_WIDE_CHAR	1
34*5af32e75SAxel Dörfler #define SET_MANTISSA(flt, mant) \
35*5af32e75SAxel Dörfler   do { union ieee754_float u;						      \
36*5af32e75SAxel Dörfler        u.f = (flt);							      \
37*5af32e75SAxel Dörfler        if ((mant & 0x7fffff) == 0)					      \
38*5af32e75SAxel Dörfler 	 mant = 0x400000;						      \
39*5af32e75SAxel Dörfler        u.ieee.mantissa = (mant) & 0x7fffff;				      \
40*5af32e75SAxel Dörfler        (flt) = u.f;							      \
41*5af32e75SAxel Dörfler   } while (0)
42*5af32e75SAxel Dörfler 
43*5af32e75SAxel Dörfler #include <stdlib/strtod.c>
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