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			104 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			104 lines
		
	
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // -*- C++ -*-
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| //===----------------------------------------------------------------------===//
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| //
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| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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| // See https://llvm.org/LICENSE.txt for license information.
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| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef _LIBCPP_CHARCONV
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| #define _LIBCPP_CHARCONV
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| 
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| /*
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|     charconv synopsis
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| 
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| namespace std {
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| 
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|   // floating-point format for primitive numerical conversion
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|   enum class chars_format {
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|     scientific = unspecified,
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|     fixed = unspecified,
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|     hex = unspecified,
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|     general = fixed | scientific
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|   };
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| 
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|   // 23.20.2, primitive numerical output conversion
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|   struct to_chars_result {
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|     char* ptr;
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|     errc ec;
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|     friend bool operator==(const to_chars_result&, const to_chars_result&) = default; // since C++20
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|   };
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| 
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|   constexpr to_chars_result to_chars(char* first, char* last, see below value,
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|                                      int base = 10);                                  // constexpr since C++23
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|   to_chars_result to_chars(char* first, char* last, bool value,
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|                            int base = 10) = delete;
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| 
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|   to_chars_result to_chars(char* first, char* last, float value);
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|   to_chars_result to_chars(char* first, char* last, double value);
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|   to_chars_result to_chars(char* first, char* last, long double value);
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| 
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|   to_chars_result to_chars(char* first, char* last, float value,
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|                            chars_format fmt);
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|   to_chars_result to_chars(char* first, char* last, double value,
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|                            chars_format fmt);
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|   to_chars_result to_chars(char* first, char* last, long double value,
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|                            chars_format fmt);
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| 
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|   to_chars_result to_chars(char* first, char* last, float value,
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|                            chars_format fmt, int precision);
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|   to_chars_result to_chars(char* first, char* last, double value,
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|                            chars_format fmt, int precision);
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|   to_chars_result to_chars(char* first, char* last, long double value,
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|                            chars_format fmt, int precision);
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| 
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|   // 23.20.3, primitive numerical input conversion
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|   struct from_chars_result {
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|     const char* ptr;
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|     errc ec;
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|     friend bool operator==(const from_chars_result&, const from_chars_result&) = default; // since C++20
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|   };
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| 
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|   constexpr from_chars_result from_chars(const char* first, const char* last,
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|                                see below& value, int base = 10);                         // constexpr since C++23
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| 
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| } // namespace std
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| 
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| */
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| 
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| #include <__assert> // all public C++ headers provide the assertion handler
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| #include <__charconv/chars_format.h>
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| #include <__charconv/from_chars_integral.h>
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| #include <__charconv/from_chars_result.h>
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| #include <__charconv/tables.h>
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| #include <__charconv/to_chars.h>
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| #include <__charconv/to_chars_base_10.h>
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| #include <__charconv/to_chars_floating_point.h>
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| #include <__charconv/to_chars_integral.h>
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| #include <__charconv/to_chars_result.h>
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| #include <__charconv/traits.h>
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| #include <__config>
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| #include <__debug>
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| #include <__system_error/errc.h>
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| #include <cmath> // for log2f
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| #include <cstdint>
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| #include <limits>
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| 
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| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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| #  pragma GCC system_header
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| #endif
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| 
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| _LIBCPP_BEGIN_NAMESPACE_STD
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| 
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| _LIBCPP_END_NAMESPACE_STD
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| 
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| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
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| #  include <concepts>
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| #  include <cstdlib>
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| #  include <cstring>
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| #  include <iosfwd>
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| #  include <type_traits>
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| #endif
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| 
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| #endif // _LIBCPP_CHARCONV
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