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94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* Read decimal floating point numbers.
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This file is part of the GNU C Library.
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Copyright (C) 1995-2023 Free Software Foundation, Inc.
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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, see
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<https://www.gnu.org/licenses/>. */
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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 `float' version, `strtof'. */
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#include <bits/floatn.h>
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#include <bits/long-double.h>
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#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
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# define strtof128 __hide_strtof128
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# define wcstof128 __hide_wcstof128
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#endif
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#if __HAVE_FLOAT64X_LONG_DOUBLE
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# define strtof64x __hide_strtof64x
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# define wcstof64x __hide_wcstof64x
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#endif
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#ifdef __LONG_DOUBLE_MATH_OPTIONAL
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# include <wchar.h>
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# define NEW(x) NEW1(x)
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# define NEW1(x) __new_##x
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long double ____new_strtold_internal (const char *, char **, int);
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long double __new_strtold (const char *, char **);
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long double ____new_wcstold_internal (const wchar_t *, wchar_t **, int);
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long double __new_wcstold (const wchar_t *, wchar_t **);
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libc_hidden_proto (____new_strtold_internal)
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libc_hidden_proto (____new_wcstold_internal)
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libc_hidden_proto (__new_strtold)
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libc_hidden_proto (__new_wcstold)
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#else
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# define NEW(x) x
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#endif
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#define FLOAT long double
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#define FLT LDBL
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#ifdef USE_WIDE_CHAR
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# define STRTOF NEW (wcstold)
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# define STRTOF_L __wcstold_l
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#else
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# define STRTOF NEW (strtold)
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# define STRTOF_L __strtold_l
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#endif
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#include "strtod.c"
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#ifdef __LONG_DOUBLE_MATH_OPTIONAL
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# include <math_ldbl_opt.h>
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# ifdef USE_WIDE_CHAR
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long_double_symbol (libc, __new_wcstold, wcstold);
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long_double_symbol (libc, ____new_wcstold_internal, __wcstold_internal);
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libc_hidden_ver (____new_wcstold_internal, __wcstold_internal)
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# else
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long_double_symbol (libc, __new_strtold, strtold);
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long_double_symbol (libc, ____new_strtold_internal, __strtold_internal);
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libc_hidden_ver (____new_strtold_internal, __strtold_internal)
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# endif
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#endif
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#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
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# undef strtof128
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# undef wcstof128
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# ifdef USE_WIDE_CHAR
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weak_alias (NEW (wcstold), wcstof128)
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# else
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weak_alias (NEW (strtold), strtof128)
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# endif
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#endif
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#if __HAVE_FLOAT64X_LONG_DOUBLE
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# undef strtof64x
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# undef wcstof64x
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# ifdef USE_WIDE_CHAR
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weak_alias (NEW (wcstold), wcstof64x)
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# else
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weak_alias (NEW (strtold), strtof64x)
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# endif
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#endif
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