e</span>                       <a name="boost.numeric.odeint.runge_kutta4_classic.operations_type"></a><span class="identifier">operations_type</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">stepper_base_type</span><span class="special">::</span><span class="identifier">resizer_type</span>                          <a name="boost.numeric.odeint.runge_kutta4_classic.resizer_type"></a><span class="identifier">resizer_type</span><span class="special">;</sp