CPP/CPP02/ex01/Fixed.cpp

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   Fixed.cpp                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: narnaud <narnaud@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/06/20 10:07:44 by narnaud           #+#    #+#             */
/*   Updated: 2022/07/18 14:00:06 by narnaud          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "Fixed.hpp"

const int	Fixed::_fract_bits = 8;

Fixed::Fixed (void) {

	std::cout << "Fixed default constructor called " << std::endl;
	_raw_bits = 0;
}

Fixed::Fixed (const int init_int) {

	std::cout << "Integer constructor called " << std::endl;
	_raw_bits = init_int * (1 << _fract_bits);
}

Fixed::Fixed (const float init_float) {

	std::cout << "Float constructor called " << std::endl;
	_raw_bits = std::roundf(init_float * (1 << _fract_bits));
}

Fixed::Fixed (Fixed const & src) {

	std::cout << "Copy constructor called" << std::endl;
	*this = src;
}

Fixed & Fixed::operator= (Fixed const & src) {
	std::cout << "Copy assignment operator called" << std::endl;
	_raw_bits = src.getRawBits();
	return (*this);
}

Fixed::~Fixed (void) {
	std::cout << "Fixed default destructor called" << std::endl;
}

int	Fixed::getRawBits(void) const {
	return (_raw_bits);
}

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

float	Fixed::toFloat(void) const {

	//std::cout << "toFloat member function called" << std::endl;
	return ((float)((float)_raw_bits / (float)(1 << _fract_bits)));
}

int	Fixed::toInt(void) const {

	//std::cout << "toInt member function called" << std::endl;
	return ((int)((float)_raw_bits / (float)(1 << _fract_bits)));
}

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