psds-cpp-2025/01_week/tasks/length_lit/length_lit.cpp at 331e387abfdb69422055686d71618c2876054c38 · psds-cpp/psds-cpp-2025 · GitHub

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// ft -> в другие единицы
constexpr long double operator""_ft_to_in(long double ft) {
    return ft*12.0;
}
constexpr long double operator""_ft_to_m(long double ft) {
    return ft*0.3048;
}
constexpr long double operator""_ft_to_cm(long double ft) {
    return ft*30.48;
}
// m-> в другие единицы
constexpr long double operator""_m_to_ft(long double m) {
    return m/0.3048;
}
constexpr long double operator""_m_to_in(long double m) {
    return m/0.0254;
}
constexpr long double operator""_m_to_cm(long double m) {
    return m*100.0;
}
// in-> в другие единицы
constexpr long double operator""_in_to_ft(long double in) {
    return in/12.0;
}
constexpr long double operator""_in_to_m(long double in) {
    return in*0.0254;
}
constexpr long double operator""_in_to_cm(long double in) {
    return in*2.54;
}
// cm-> в другие единицы

constexpr long double operator""_cm_to_ft(long double cm) {
    return cm/30.48;
}
constexpr long double operator""_cm_to_in(long double cm) {
    return cm/2.54;
}
constexpr long double operator""_cm_to_m(long double cm) {
    return cm/100.0;
}