/// 2d vector
struct Offset {
- Real coordinate_a_[NO_AXES];
+ Real coordinate_a_[NO_AXES];
- Real &y() { return coordinate_a_[Y_AXIS]; }
- Real &x() { return coordinate_a_[X_AXIS]; }
- Real y()const { return coordinate_a_[Y_AXIS]; }
- Real x()const { return coordinate_a_[X_AXIS]; }
+ Real &y() { return coordinate_a_[Y_AXIS]; }
+ Real &x() { return coordinate_a_[X_AXIS]; }
+ Real y() const { return coordinate_a_[Y_AXIS]; }
+ Real x() const { return coordinate_a_[X_AXIS]; }
- Real &operator[](Axis i) {
- return coordinate_a_[i];
- }
- Real operator[](Axis i) const{
- return coordinate_a_[i];
- }
+ Real &operator[](Axis i) {
+ return coordinate_a_[i];
+ }
+ Real operator[](Axis i) const{
+ return coordinate_a_[i];
+ }
- Offset operator+=(Offset o) {
- x()+=o.x ();
- y()+=o.y ();
- return *this;
- }
- Offset (Real ix , Real iy) {
- x()=ix;
- y()=iy;
- }
- Offset() {
- x()=0.0;
- y()=0.0;
- }
+ Offset operator+=(Offset o) {
+ x()+=o.x ();
+ y()+=o.y ();
+ return *this;
+ }
+ Offset (Real ix , Real iy) {
+ x()=ix;
+ y()=iy;
+ }
+ Offset() {
+ x()=0.0;
+ y()=0.0;
+ }
};
inline Offset
-operator+(Offset o1, Offset const& o2)
+operator+ (Offset o1, Offset const& o2)
{
- o1 += o2;
- return o1;
+ o1 += o2;
+ return o1;
}
#endif // OFFSET_HH