# Program Listing for File format.cc

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    // Formatting library for C++
    //
    // Copyright (c) 2012 - 2016, Victor Zverovich
    // All rights reserved.
    //
    // For the license information refer to format.h.

    #include "fmt/format-inl.h"

    FMT_BEGIN_NAMESPACE
    namespace detail {

    // DEPRECATED!
    template <typename T = void> struct basic_data {
      FMT_API static constexpr const char digits[100][2] = {
          {'0', '0'}, {'0', '1'}, {'0', '2'}, {'0', '3'}, {'0', '4'}, {'0', '5'},
          {'0', '6'}, {'0', '7'}, {'0', '8'}, {'0', '9'}, {'1', '0'}, {'1', '1'},
          {'1', '2'}, {'1', '3'}, {'1', '4'}, {'1', '5'}, {'1', '6'}, {'1', '7'},
          {'1', '8'}, {'1', '9'}, {'2', '0'}, {'2', '1'}, {'2', '2'}, {'2', '3'},
          {'2', '4'}, {'2', '5'}, {'2', '6'}, {'2', '7'}, {'2', '8'}, {'2', '9'},
          {'3', '0'}, {'3', '1'}, {'3', '2'}, {'3', '3'}, {'3', '4'}, {'3', '5'},
          {'3', '6'}, {'3', '7'}, {'3', '8'}, {'3', '9'}, {'4', '0'}, {'4', '1'},
          {'4', '2'}, {'4', '3'}, {'4', '4'}, {'4', '5'}, {'4', '6'}, {'4', '7'},
          {'4', '8'}, {'4', '9'}, {'5', '0'}, {'5', '1'}, {'5', '2'}, {'5', '3'},
          {'5', '4'}, {'5', '5'}, {'5', '6'}, {'5', '7'}, {'5', '8'}, {'5', '9'},
          {'6', '0'}, {'6', '1'}, {'6', '2'}, {'6', '3'}, {'6', '4'}, {'6', '5'},
          {'6', '6'}, {'6', '7'}, {'6', '8'}, {'6', '9'}, {'7', '0'}, {'7', '1'},
          {'7', '2'}, {'7', '3'}, {'7', '4'}, {'7', '5'}, {'7', '6'}, {'7', '7'},
          {'7', '8'}, {'7', '9'}, {'8', '0'}, {'8', '1'}, {'8', '2'}, {'8', '3'},
          {'8', '4'}, {'8', '5'}, {'8', '6'}, {'8', '7'}, {'8', '8'}, {'8', '9'},
          {'9', '0'}, {'9', '1'}, {'9', '2'}, {'9', '3'}, {'9', '4'}, {'9', '5'},
          {'9', '6'}, {'9', '7'}, {'9', '8'}, {'9', '9'}};
      FMT_API static constexpr const char hex_digits[] = "0123456789abcdef";
      FMT_API static constexpr const char signs[4] = {0, '-', '+', ' '};
      FMT_API static constexpr const char left_padding_shifts[5] = {31, 31, 0, 1,
                                                                    0};
      FMT_API static constexpr const char right_padding_shifts[5] = {0, 31, 0, 1,
                                                                     0};
      FMT_API static constexpr const unsigned prefixes[4] = {0, 0, 0x1000000u | '+',
                                                             0x1000000u | ' '};
    };

    #ifdef FMT_SHARED
    // Required for -flto, -fivisibility=hidden and -shared to work
    extern template struct basic_data<void>;
    #endif

    #if __cplusplus < 201703L
    // DEPRECATED! These are here only for ABI compatiblity.
    template <typename T> constexpr const char basic_data<T>::digits[][2];
    template <typename T> constexpr const char basic_data<T>::hex_digits[];
    template <typename T> constexpr const char basic_data<T>::signs[];
    template <typename T> constexpr const char basic_data<T>::left_padding_shifts[];
    template <typename T>
    constexpr const char basic_data<T>::right_padding_shifts[];
    template <typename T> constexpr const unsigned basic_data<T>::prefixes[];
    #endif

    template <typename T>
    int format_float(char* buf, std::size_t size, const char* format, int precision,
                     T value) {
    #ifdef FMT_FUZZ
      if (precision > 100000)
        throw std::runtime_error(
            "fuzz mode - avoid large allocation inside snprintf");
    #endif
      // Suppress the warning about nonliteral format string.
      int (*snprintf_ptr)(char*, size_t, const char*, ...) = FMT_SNPRINTF;
      return precision < 0 ? snprintf_ptr(buf, size, format, value)
                           : snprintf_ptr(buf, size, format, precision, value);
    }

    template FMT_API dragonbox::decimal_fp<float> dragonbox::to_decimal(float x)
        FMT_NOEXCEPT;
    template FMT_API dragonbox::decimal_fp<double> dragonbox::to_decimal(double x)
        FMT_NOEXCEPT;
    }  // namespace detail

    // Workaround a bug in MSVC2013 that prevents instantiation of format_float.
    int (*instantiate_format_float)(double, int, detail::float_specs,
                                    detail::buffer<char>&) = detail::format_float;

    #ifndef FMT_STATIC_THOUSANDS_SEPARATOR
    template FMT_API detail::locale_ref::locale_ref(const std::locale& loc);
    template FMT_API std::locale detail::locale_ref::get<std::locale>() const;
    #endif

    // Explicit instantiations for char.

    template FMT_API auto detail::thousands_sep_impl(locale_ref)
        -> thousands_sep_result<char>;
    template FMT_API char detail::decimal_point_impl(locale_ref);

    template FMT_API void detail::buffer<char>::append(const char*, const char*);

    // DEPRECATED!
    // There is no correspondent extern template in format.h because of
    // incompatibility between clang and gcc (#2377).
    template FMT_API void detail::vformat_to(
        detail::buffer<char>&, string_view,
        basic_format_args<FMT_BUFFER_CONTEXT(char)>, detail::locale_ref);

    template FMT_API int detail::snprintf_float(double, int, detail::float_specs,
                                                detail::buffer<char>&);
    template FMT_API int detail::snprintf_float(long double, int,
                                                detail::float_specs,
                                                detail::buffer<char>&);
    template FMT_API int detail::format_float(double, int, detail::float_specs,
                                              detail::buffer<char>&);
    template FMT_API int detail::format_float(long double, int, detail::float_specs,
                                              detail::buffer<char>&);

    // Explicit instantiations for wchar_t.

    template FMT_API auto detail::thousands_sep_impl(locale_ref)
        -> thousands_sep_result<wchar_t>;
    template FMT_API wchar_t detail::decimal_point_impl(locale_ref);

    template FMT_API void detail::buffer<wchar_t>::append(const wchar_t*,
                                                          const wchar_t*);

    template struct detail::basic_data<void>;

    FMT_END_NAMESPACE