y_engine.html#idm45152239391856-bb">private member functions</a></span>
  <span class="keyword">void</span> <a class="link" href="threefry_engine.html#idm45152239391280-bb"><span class="identifier">load_program</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// public data members</span>
  <span class="keyword">static</span> <span class="keyword">const</span> <span class="identifier">ulong_</span> <span class="identifier">default_