an class="keyword">typename</span> <span class="identifier">IntegerType</span> <span class="special">&gt;</span>
   <span class="keyword">class</span> <span class="identifier">lcm_evaluator</span><span class="special">;</span>

<span class="keyword">template</span> <span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">IntegerType</span> <span class="special">&gt;</span>
   <span class="identifier">IntegerType</span>  <span class="identifier">gcd</span><span class="