Vec2d function ( Vec2d arg0 ) { return set ( arg0 . x , arg0 . y ) ; }
set the x and y values of this vector to match input vector ` v ' . return this vector for chaining . concode_field_sep double x concode_elem_sep double y concode_field_sep Vec2d add concode_elem_sep Vec2d add concode_elem_sep Vec2d sub concode_elem_sep Vec2d sub concode_elem_sep Vec2d scale concode_elem_sep String toString