62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <math.h>
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#include <wchar.h>
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#ifndef __NO_LONG_DOUBLE_MATH
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/* The actual implementation for all floating point sizes is in strtod.c.
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These macros tell it to produce the `long double' version, `wcstold'. */
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# define FLOAT long double
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# define FLT LDBL
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# ifdef USE_IN_EXTENDED_LOCALE_MODEL
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# define STRTOF __wcstold_l
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# else
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# define STRTOF wcstold
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# endif
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# define MPN2FLOAT __mpn_construct_long_double
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# define FLOAT_HUGE_VAL HUGE_VALL
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# define USE_WIDE_CHAR 1
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# define SET_MANTISSA(flt, mant) \
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do { union ieee854_long_double u; \
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u.d = (flt); \
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if ((mant & 0x7fffffffffffffffULL) == 0) \
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mant = 0x4000000000000000ULL; \
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u.ieee.mantissa0 = (((mant) >> 32) & 0x7fffffff) | 0x80000000; \
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u.ieee.mantissa1 = (mant) & 0xffffffff; \
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(flt) = u.d; \
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} while (0)
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# include <stdlib/strtod.c>
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#else
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/* There is no `long double' type, use the `double' implementations. */
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long double
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__wcstold_internal (const wchar_t *nptr, wchar_t **endptr, int group)
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{
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return __wcstod_internal (nptr, endptr, group);
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}
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long double
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wcstold (const wchar_t *nptr, wchar_t **endptr)
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{
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return __wcstod_internal (nptr, endptr, 0);
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}
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#endif
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