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