an class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">Value</span>                                               <a name="boost.numeric.odeint.rosenbrock4.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>             
  <span class="keyword">typedef</span> <span class="identifier">boost</span><span class="special">::</span><spa