1  #pragma once
 2  
 3  #include <iostream>
 4  
 5  class Fixed {
 6  private:
 7    int _value;
 8    static const int _fractionalBits = 8;
 9  
10  public:
11    Fixed();
12    Fixed(const Fixed &other);
13    Fixed(const int &other);
14    Fixed(const float &other);
15  
16    // Define FIXED_DEBUG to enable constructor/destructor debug prints.
17    // Example: add -DFIXED_DEBUG to CXXFLAGS in Makefile to enable.
18  
19    friend std::ostream &operator<<(std::ostream &os, const Fixed &obj);
20    float toFloat() const;
21  
22    // Accessors to extract the raw fixed-point integer and fractional bits
23    int getRawBits() const;
24    static int getFractionalBits();
25  
26    // Comparison operators
27    bool operator>(const Fixed &other) const;
28    bool operator<(const Fixed &other) const;
29    bool operator>=(const Fixed &other) const;
30    bool operator<=(const Fixed &other) const;
31    bool operator==(const Fixed &other) const;
32    bool operator!=(const Fixed &other) const;
33  
34    // Arithmetic operators
35    Fixed operator+(const Fixed &other) const;
36    Fixed operator-(const Fixed &other) const;
37    Fixed operator*(const Fixed &other) const;
38    Fixed operator/(const Fixed &other) const;
39  
40    // Increment and decrement operators
41    Fixed &operator++();   // Prefix increment
42    Fixed operator++(int); // Postfix increment
43    Fixed &operator--();   // Prefix decrement
44    Fixed operator--(int); // Postfix decrement
45  
46    // Min and max functions
47    static Fixed &min(Fixed &a, Fixed &b);
48    static const Fixed &min(const Fixed &a, const Fixed &b);
49    static Fixed &max(Fixed &a, Fixed &b);
50    static const Fixed &max(const Fixed &a, const Fixed &b);
51  
52    Fixed &operator=(const Fixed &other);
53    ~Fixed();
54  };