cpp02/ex02/Fixed.cpp

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Fixed.cpp                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: lfirmin <lfirmin@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/07/02 12:25:46 by lfirmin           #+#    #+#             */
/*   Updated: 2025/07/16 14:41:49 by lfirmin          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Fixed.hpp"

const int Fixed::_number_fractional_bits = 8;

Fixed::Fixed() : _fixed_p_n(0)
{
	//	std::cout << "Default constructor called\n";
}

Fixed::Fixed(const int input)
{
	//	std::cout << "Fixed Int Constructor called" << std::endl;
	this->_fixed_p_n = input << this->_number_fractional_bits;
}

Fixed::Fixed(const float input)
{
	//	std::cout << "Fixed Float Constructor called" << std::endl;
	this->_fixed_p_n = roundf(input * (1 << this->_number_fractional_bits));
}

Fixed::Fixed(const Fixed &copy)
{
	//	std::cout << "Copy constructor called\n";
	*this = copy;
}

Fixed &Fixed::operator=(const Fixed &copy)
{
	//	std::cout << "Copy assignment constructor called\n";
	setRawBits(copy.getRawBits());
	return (*this);
}

Fixed::~Fixed()
{
	//	std::cout << "Deconstructor called\n";
}

int Fixed::getRawBits(void) const
{
	//	std::cout << "getRawBits member function called\n";
	return (_fixed_p_n);
}

void Fixed::setRawBits(int const raw)
{
	_fixed_p_n = raw;
}

int	Fixed::toInt(void)const
{
	return (this->_fixed_p_n>> this->_number_fractional_bits);
}

float	Fixed::toFloat(void)const
{
	return ((float)this->_fixed_p_n/ (float)(1 << this->_number_fractional_bits));
}

std::ostream	&operator<<(std::ostream &o, Fixed const &fixed)
{
	o << fixed.toFloat();
	return (o);
}

// Overloaded comparation Operators
bool	Fixed::operator>(Fixed fixed) const
{
	return (this->toFloat() > fixed.toFloat());
}

bool	Fixed::operator<(Fixed fixed) const
{
	return (this->toFloat() < fixed.toFloat());
}

bool	Fixed::operator>=(Fixed fixed) const
{
	return (this->toFloat() >= fixed.toFloat());
}

bool	Fixed::operator<=(Fixed fixed) const
{
	return (this->toFloat() <= fixed.toFloat());
}

bool	Fixed::operator==(Fixed fixed) const
{
	return (this->toFloat() == fixed.toFloat());
}

bool	Fixed::operator!=(Fixed fixed) const
{
	return (this->toFloat() != fixed.toFloat());
}
/////

// Overloaded Arithmetic Operators
float	Fixed::operator+(Fixed fixed) const
{
	return (this->toFloat() + fixed.toFloat());
}

float	Fixed::operator-(Fixed fixed) const
{
	return (this->toFloat() - fixed.toFloat());
}

float	Fixed::operator*(Fixed fixed) const
{
	return (this->toFloat() * fixed.toFloat());
}

float	Fixed::operator/(Fixed fixed) const
{
	return (this->toFloat() / fixed.toFloat());
}
/////

// Overloaded pre-increment Operators
Fixed	Fixed::operator++()
{
	this->_fixed_p_n++;
	return (*this);
}

Fixed	Fixed::operator--()
{
	this->_fixed_p_n--;
	return (*this);
}

Fixed	Fixed::operator++(int)
{
	Fixed tmp = *this;
	++this->_fixed_p_n;
	return (tmp);
}

Fixed	Fixed::operator--(int)
{
	Fixed tmp = *this;
	--this->_fixed_p_n;
	return (tmp);
}
//////

Fixed	&Fixed::min(Fixed &first, Fixed &second)
{
	if (first.toFloat() <= second.toFloat())
		return (first);
	else
		return (second);
}

const Fixed	&Fixed::min(const Fixed &first, const Fixed &second)
{
	if (first.toFloat() <= second.toFloat())
		return (first);
	else
		return (second);
}

Fixed	&Fixed::max(Fixed &first, Fixed &second)
{
	if (first.toFloat() >= second.toFloat())
		return (first);
	else
		return (second);
}

const Fixed	&Fixed::max(const Fixed &first, const Fixed &second)
{
	if (first.toFloat() >= second.toFloat())
		return (first);
	else
		return (second);
}