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vector.cpp
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vector.cpp
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#include "math_helpers.h"
#include "vector.h"
namespace pathfinder {
Vector::Vector(const double x, const double y) : x_(x), y_(y) {
}
bool Vector::operator==(const Vector &other) const {
return math::equal(x_, other.x_) && math::equal(y_, other.y_);
}
bool Vector::operator!=(const Vector &other) const {
return !math::equal(x_, other.x_) || !math::equal(y_, other.y_);
}
void Vector::setX(const double x) {
x_ = x;
}
void Vector::setY(const double y) {
y_ = y;
}
double Vector::x() const {
return x_;
}
double Vector::y() const {
return y_;
}
Vector operator*(const Vector &lhs, double scalar) {
return {lhs.x_ * scalar, lhs.y_ * scalar};
}
Vector operator*(double scalar, const Vector &rhs) {
return {rhs.x_ * scalar, rhs.y_ * scalar};
}
Vector operator/(const Vector &lhs, double scalar) {
return {lhs.x_ / scalar, lhs.y_ / scalar};
}
Vector operator/(double scalar, const Vector &rhs) {
return {rhs.x_ / scalar, rhs.y_ / scalar};
}
Vector operator-(const Vector &lhs, const Vector &rhs) {
return {lhs.x_-rhs.x_, lhs.y_-rhs.y_};
}
Vector operator+(const Vector &lhs, const Vector &rhs) {
return {lhs.x_+rhs.x_, lhs.y_+rhs.y_};
}
std::ostream& operator<<(std::ostream &stream, const pathfinder::Vector &vector) {
stream << '(' << vector.x() << ',' << vector.y() << ')';
return stream;
}
} // namespace pathfinder