return !isnan (coordinate_a_[X_AXIS])
&& !isnan (coordinate_a_ [Y_AXIS])
&& !isinf (coordinate_a_[X_AXIS])
- && !isnan (coordinate_a_[Y_AXIS]);
+ && !isinf (coordinate_a_[Y_AXIS]);
}
Offset
d /= length ();
return d;
}
+
+Offset
+Offset::swapped () const
+{
+ return Offset (coordinate_a_[Y_AXIS], coordinate_a_[X_AXIS]);
+}