></a><span class="identifier">controlled_stepper_type</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">controlled_stepper_type</span><span class="special">::</span><span class="identifier">stepper_type</span> <a name="boost.numeric.odeint.dense_output_r_idp20189216.stepper_type"></a><span class="identifier">stepper_type</span><span class="special">;</span>             
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><sp