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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* Fixed.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/13 11:45:18 by charles #+# #+# */
/* Updated: 2020/11/10 12:00:43 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "Fixed.hpp"
Fixed::Fixed() : m_value(0) {}
Fixed::Fixed(Fixed const& other) { *this = other; }
Fixed::~Fixed() {}
Fixed& Fixed::operator=(Fixed const& other)
{
m_value = other.getRawBits();
return *this;
}
Fixed::Fixed(const int from)
{
m_value = from << m_fractionalBits;
}
Fixed::Fixed(const float from)
{
m_value = roundf(from * (1 << m_fractionalBits));
}
int Fixed::getRawBits() const
{
return m_value;
}
void Fixed::setRawBits(int const raw)
{
m_value = raw;
}
float Fixed::toFloat() const
{
return (float)m_value / (float)(1 << m_fractionalBits);
}
int Fixed::toInt() const
{
return m_value >> m_fractionalBits;
}
Fixed Fixed::operator+(Fixed const& other) const { return Fixed(toFloat() + other.toFloat()); }
Fixed Fixed::operator-(Fixed const& other) const { return Fixed(toFloat() - other.toFloat()); }
Fixed Fixed::operator*(Fixed const& other) const { return Fixed(toFloat() * other.toFloat()); }
Fixed Fixed::operator/(Fixed const& other) const { return Fixed(toFloat() / other.toFloat()); }
Fixed& Fixed::operator++() { m_value++; return *this; }
Fixed& Fixed::operator--() { m_value++; return *this; }
Fixed Fixed::operator++(int) { Fixed copy(*this); m_value++; return copy; }
Fixed Fixed::operator--(int) { Fixed copy(*this); m_value--; return copy; }
bool Fixed::operator<(Fixed const& other) const { return m_value < other.m_value; }
bool Fixed::operator>(Fixed const& other) const { return m_value > other.m_value; }
bool Fixed::operator<=(Fixed const& other) const { return *this < other || *this == other; }
bool Fixed::operator>=(Fixed const& other) const { return *this > other || *this == other; }
bool Fixed::operator==(Fixed const& other) const { return m_value == other.m_value; }
bool Fixed::operator!=(Fixed const& other) const { return !(*this == other); }
Fixed& Fixed::max(Fixed& a, Fixed& b) { return a > b ? a : b; }
Fixed& Fixed::min(Fixed& a, Fixed& b) { return a < b ? a : b; }
Fixed const& Fixed::max(Fixed const& a, Fixed const& b) { return a > b ? a : b; }
Fixed const& Fixed::min(Fixed const& a, Fixed const& b) { return a < b ? a : b; }
std::ostream& operator<<(std::ostream& out, Fixed const& f)
{
out << f.toFloat();
return out;
}
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