tifier">z</span><span class="special">=</span><span class="number">0.0</span><span class="special">,</span> <span class="keyword">double</span> <span class="identifier">w</span><span class="special">=</span><span class="number">1.0</span><span class="special">);</span>

<span class="identifier">BOOST_PYTHON_MODULE</span><span class="special">(</span><span class="identifier">xxx</span><span class="special">)</span>
<span class="special">{</span>
  <span class="identifier">def</span><span class="special">(</s