l">::</span><span class="identifier">input_type</span> <a name="boost.random.lognormal_distribution.input_type"></a><span class="identifier">input_type</span><span class="special">;</span> 
  <span class="keyword">typedef</span> <span class="identifier">RealType</span>                                    <a name="boost.random.lognormal_distribution.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>

  <span class="comment">// member classes/structs/unions</span>

  <sp