def point_at_t(self, t):
one_minus_t_powers = np.power(<NUM_LIT:1.>-t, self._orders)[::-<NUM_LIT:1>]<EOL>t_powers = np.power(t, self._orders)<EOL>tt = one_minus_t_powers * t_powers<EOL>_x = sum(tt * self._px)<EOL>_y = sum(tt * self._py)<EOL>return _x, _y<EOL>
evaluate a point at t