feat(ex01): it works

ex01/Fixed.cpp

@@ -0,0 +1,70 @@
+#include "Fixed.hpp"
+#include <bitset>
+#include <sstream>
+
+const int Fixed::fracbits(8);
+
+Fixed::Fixed() {
+  std::cout << "Default constructor called" << std::endl;
+  value = 0;
+}
+
+Fixed::Fixed(const int val) {
+  std::cout << "Int constructor called with " << val << std::endl;
+  value = val << fracbits;
+}
+
+Fixed::Fixed(const float val) {
+  std::cout << "Float constructor called with " << val << std::endl;
+  const static int factor = 1 << fracbits;
+  float temp = (val * factor);
+  if (temp >= 0)
+    temp += 0.5f;
+  else
+    temp -= 0.5f;
+  value = (int)(temp);
+}
+
+Fixed::Fixed(const Fixed &other) {
+  std::cout << "Copy constructor called" << std::endl;
+  this->value = other.value;
+}
+
+Fixed &Fixed::operator=(const Fixed &other) {
+  std::cout << "Copy assignment operator called" << std::endl;
+  this->setRawBits(other.getRawBits());
+  return *this;
+}
+
+Fixed::~Fixed() { std::cout << "Destructor called" << std::endl; }
+
+int Fixed::getRawBits(void) const {
+  std::cout << "getRawBits member function called" << std::endl;
+  return value;
+}
+
+void Fixed::setRawBits(int const raw) { value = raw; }
+
+float Fixed::toFloat(void) const {
+  const static int factor = 1 << fracbits;
+  float result = (float)value / factor;
+  return (result);
+}
+
+int Fixed::toInt(void) const {
+  int result = (value >> fracbits);
+  return (result);
+}
+
+std::string Fixed::toBin(void) const {
+  std::stringstream result;
+  result << std::bitset<32 - fracbits>(value >> fracbits);
+  result << ".";
+  result << std::bitset<fracbits>(value & (1 << fracbits) - 1);
+  return result.str();
+}
+
+std::ostream &operator<<(std::ostream &stream, const Fixed &fixed) {
+  stream << fixed.toFloat();
+  return stream;
+}