al">.</span><span class="number">0</span><span class="special">,</span> <span class="identifier">RealType</span> <span class="special">=</span> <span class="number">1</span><span class="special">.</span><span class="number">0</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="param_type.html#idp83018320-bb">public member functions</a></span>
  <span class="identifier">RealType</span> <a class="link" href="param_type.html#idp83018528-bb"><span