Class value

lib/mathlib.h:51–91

@brief value class */

    /** @brief value class */
    class value {
    private:
        bigint mIntValue{};
        double mDoubleValue{};
        enum class Type : std::uint8_t { INT, LONG, LONGLONG, FLOAT } mType;
        bool mIsUnsigned{};

        void promote(const value &v);

    public:
        /**
         * @throws InternalError thrown on invalid value
         */
        explicit value(const std::string &s);
        std::string str() const;
        bool isInt() const {
            return mType != Type::FLOAT;
        }
        bool isFloat() const {
            return mType == Type::FLOAT;
        }

        double getDoubleValue() const {
            return isFloat() ? mDoubleValue : static_cast<double>(mIntValue);
        }

        /**
         * @throws InternalError thrown on invalid/unhandled calculation or division by zero
         */
        static value calc(char op, const value &v1, const value &v2);
        int compare(const value &v) const;
        value add(int v) const;
        /**
         * @throws InternalError thrown if operand is not an integer
         */
        value shiftLeft(const value &v) const;
        /**
         * @throws InternalError thrown if operand is not an integer
         */
        value shiftRight(const value &v) const;
    };

    static const int bigint_bits;