diff --git a/gtsam/geometry/Point2.h b/gtsam/geometry/Point2.h index 9d7190c8f..08129ab75 100644 --- a/gtsam/geometry/Point2.h +++ b/gtsam/geometry/Point2.h @@ -109,13 +109,13 @@ public: /// identity inline static Point2 identity() {return Point2();} - /// syntactic sugar for inverse, i.e., -p == inverse(p) + /// inverse inline Point2 operator- () const {return Point2(-x_,-y_);} - /// syntactic sugar for adding two points, i.e., p+q == compose(p,q) + /// add inline Point2 operator + (const Point2& q) const {return Point2(x_+q.x_,y_+q.y_);} - /// syntactic sugar for subtracting points, i.e., q-p == between(p,q) + /// subtract inline Point2 operator - (const Point2& q) const {return Point2(x_-q.x_,y_-q.y_);} /// @}