number.hpp

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 * Copyright (c) 2023-2025 NWSOFT                                                                 *
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#pragma once
 
#include <string>

namespace steppable
{
    enum RoundingMode
    {
        USE_MAXIMUM_PREC = 0xFF,

        USE_MINIMUM_PREC = 0x01,

        USE_CURRENT_PREC = 0x02,

        USE_OTHER_PREC = 0x03,

        DISCARD_ALL_DECIMALS = 0x00
    };

    class Number
    {
    private:
        std::string value;

        size_t prec;

        RoundingMode mode = USE_CURRENT_PREC;
 
    public:
        Number();

        Number(std::string value = "0", size_t prec = 0, RoundingMode mode = USE_CURRENT_PREC);

        Number operator+(const Number& rhs) const;

        Number operator-(const Number& rhs) const;

        Number operator*(const Number& rhs) const;

        Number operator/(const Number& rhs) const;

        Number operator%(const Number& rhs) const;

        Number operator^(const Number& rhs) const;

        Number& operator+=(const Number& rhs);

        Number& operator-=(const Number& rhs);

        Number& operator*=(const Number& rhs);

        Number& operator/=(const Number& rhs);

        Number& operator%=(const Number& rhs);

        Number& operator^=(const Number& rhs);

        bool operator==(const Number& rhs) const;

        bool operator!=(const Number& rhs) const;

        bool operator<(const Number& rhs) const;

        bool operator>(const Number& rhs) const;

        bool operator<=(const Number& rhs) const;

        bool operator>=(const Number& rhs) const;

        Number operator++();

        Number operator--();

        [[nodiscard]] std::string present() const;
    };
} // namespace steppable