psds-cpp-2025/01_week/tasks/length_lit/length_lit.cpp at 8c10777c14a830743a764f4de5c0e5ec9f8892bb · psds-cpp/psds-cpp-2025 · GitHub

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// Константы для преобразования
#define IN_TO_CM 2.54
#define FT_TO_IN 12.0
#define M_TO_CM 100.0


constexpr double operator"" _ft_to_m(long double x) {
    return static_cast<double>(x / M_TO_CM * FT_TO_IN * IN_TO_CM); // преобразование фт в метры
}

constexpr double operator"" _ft_to_cm(long double x) {
    return static_cast<double>(x * FT_TO_IN * IN_TO_CM); // преобразование фт в см
}

constexpr double operator"" _ft_to_in(long double x) {
    return static_cast<double>( x * FT_TO_IN); // преобразование фт в дюймы
}


//Дюймы
constexpr double operator"" _in_to_m(long double x) {
   return static_cast<double>(x * IN_TO_CM / M_TO_CM);
}

constexpr double operator"" _in_to_cm(long double x) {
    return static_cast<double>(x * IN_TO_CM); //
}

constexpr double operator"" _in_to_ft(long double x) {
    return static_cast<double>(x / FT_TO_IN); //
}

//Метры
constexpr double operator"" _m_to_ft(long double x) {
   return static_cast<double>(x / IN_TO_CM / FT_TO_IN * M_TO_CM); //
}

constexpr double operator"" _m_to_cm(long double x) {
    return static_cast<double>( x * M_TO_CM); //
}

constexpr double operator"" _m_to_in(long double x) {
    return static_cast<double>(x / IN_TO_CM * M_TO_CM); //
}


//см
constexpr double operator"" _cm_to_ft(long double x) {
    return static_cast<double>(x / FT_TO_IN / IN_TO_CM); //
}

constexpr double operator"" _cm_to_m(long double x) {
     return static_cast<double>(x / M_TO_CM); //
}

constexpr double operator"" _cm_to_in(long double x) {
    return static_cast<double>(x / IN_TO_CM); //
}