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149 lines
3.4 KiB
149 lines
3.4 KiB
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* Fixed.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: narnaud <narnaud@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/06/20 10:07:44 by narnaud #+# #+# */
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/* Updated: 2022/06/23 10:41:09 by narnaud ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "Fixed.hpp"
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const int Fixed::_fract_bits = 8;
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Fixed::Fixed (void) {
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_raw_bits = 0;
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}
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Fixed::Fixed (const int init_int) {
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_raw_bits = init_int * (1 << _fract_bits);
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}
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Fixed::Fixed (const float init_float) {
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_raw_bits = std::roundf(init_float * (1 << _fract_bits));
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}
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Fixed::Fixed (Fixed const & src) {
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_raw_bits = src.getRawBits();
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}
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Fixed::~Fixed (void) {
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}
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int Fixed::getRawBits(void) const {
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return (_raw_bits);
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}
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void Fixed::setRawBits(int const raw) {
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_raw_bits = raw;
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}
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float Fixed::toFloat(void) const {
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return ((float)((float)_raw_bits / (float)(1 << _fract_bits)));
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}
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int Fixed::toInt(void) const {
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return ((int)((float)_raw_bits / (float)(1 << _fract_bits)));
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}
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Fixed & Fixed::operator= (Fixed const & src) {
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_raw_bits = src.getRawBits();
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return (*this);
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}
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Fixed Fixed::operator+ (Fixed const & src) {
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return (Fixed(_raw_bits + src.getRawBits()));
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}
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Fixed Fixed::operator- (Fixed const & src) {
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return (Fixed(_raw_bits - src.getRawBits()));
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}
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Fixed Fixed::operator * (Fixed const & src) {
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return (Fixed(this->toFloat() * src.toFloat()));
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}
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Fixed Fixed::operator / (Fixed const & src) {
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return (Fixed(this->toFloat() / src.toFloat()));
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}
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Fixed & Fixed::operator++ (void) {
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_raw_bits++;
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return (*this);
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}
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Fixed & Fixed::operator-- (void) {
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_raw_bits--;
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return (*this);
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}
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Fixed Fixed::operator++ (int) {
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Fixed ret;
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ret.setRawBits(_raw_bits++);
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return (ret);
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}
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Fixed Fixed::operator-- (int) {
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Fixed ret;
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ret.setRawBits(_raw_bits++);
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return (ret);
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}
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bool Fixed::operator< (Fixed const & src) {
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return (_raw_bits < src.getRawBits());
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}
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bool Fixed::operator> (Fixed const & src) {
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return (_raw_bits > src.getRawBits());
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}
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bool Fixed::operator<= (Fixed const & src) {
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return (_raw_bits <= src.getRawBits());
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}
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bool Fixed::operator>= (Fixed const & src) {
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return (_raw_bits >= src.getRawBits());
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}
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bool Fixed::operator== (Fixed const & src) {
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return (_raw_bits == src.getRawBits());
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}
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bool Fixed::operator!= (Fixed const & src) {
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return (_raw_bits != src.getRawBits());
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}
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std::ostream & operator << (std::ostream &out, const Fixed &f){
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out << f.toFloat();
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return (out);
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}
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Fixed & Fixed::min(Fixed & a, Fixed & b) {
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if (a < b)
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return (a);
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else
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return (b);
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}
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Fixed & Fixed::max(Fixed & a, Fixed & b) {
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if (a > b)
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return (a);
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else
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return (b);
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}
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const Fixed & Fixed::min(Fixed const & a, Fixed const & b){
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if (a.getRawBits() < b.getRawBits())
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return (a);
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else
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return (b);
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}
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const Fixed & Fixed::max(Fixed const & a, Fixed const & b){
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if (a.getRawBits() > b.getRawBits())
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return (a);
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else
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return (b);
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}
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