Added cpp02/ex02

1 files changed, 85 insertions, 0 deletions

diff --git a/cpp02/ex02/Fixed.cpp b/cpp02/ex02/Fixed.cpp
new file mode 100644
index 0000000..7769083
--- /dev/null
+++ b/cpp02/ex02/Fixed.cpp
@@ -0,0 +1,85 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   Fixed.cpp                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: charles <charles.cabergs@gmail.com>        +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/04/13 11:45:18 by charles           #+#    #+#             */
+/*   Updated: 2020/10/19 12:41:30 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);         }
+bool Fixed::operator>=(Fixed const& other) const { return !(*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);        }
+
+int Fixed::getFractionalBits() { return m_fractionalBits; }
+
+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;
+}