Fixed.hpp

[詳解]

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Fixed.hpp                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: kamitsui <kamitsui@student.42tokyo.jp>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/04/28 17:17:18 by kamitsui          #+#    #+#             */
/*   Updated: 2025/05/06 17:11:29 by kamitsui         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#ifndef FIXED_HPP
#define FIXED_HPP
 
#include <iostream>
 
class Fixed {
  private:
    int fixedPointValue;
    static const int fractionalBits = 8;
 
  public:
    Fixed();
    Fixed(const int raw);
    Fixed(const float raw);
    Fixed(const Fixed &other);
    Fixed &operator=(const Fixed &other);
    ~Fixed();
 
    int getRawBits(void) const;
    void setRawBits(int const raw);
    float toFloat(void) const;
    int toInt(void) const;
 
    // Comparison operators
    bool operator>(const Fixed &other) const;
    bool operator<(const Fixed &other) const;
    bool operator>=(const Fixed &other) const;
    bool operator<=(const Fixed &other) const;
    bool operator==(const Fixed &other) const;
    bool operator!=(const Fixed &other) const;
 
    // Arithmetic operators
    Fixed operator+(const Fixed &other) const;
    Fixed operator-(const Fixed &other) const;
    Fixed operator*(const Fixed &other) const;
    Fixed operator/(const Fixed &other) const;
 
    // Increment/decrement operators
    Fixed &operator++();   // Pre-increment
    Fixed operator++(int); // Post-increment
    Fixed &operator--();   // Pre-decrement
    Fixed operator--(int); // Post-decrement
 
    // Min/Max functions
    static Fixed &min(Fixed &a, Fixed &b);
    static const Fixed &min(const Fixed &a, const Fixed &b);
    static Fixed &max(Fixed &a, Fixed &b);
    static const Fixed &max(const Fixed &a, const Fixed &b);
};
 
std::ostream &operator<<(std::ostream &o, const Fixed &fixed);
 
#endif