identifier">state_type</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">value_type</span> <a name="boost.numeric.odeint.checked_steppe_idp18950048.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>  
  <span class="keyword">typedef</span> <span class="identifier">stepper_type</span><span class="special">::</span><span class="identifier">deriv_