CIRCLE</span> <span class="special">(</span><span class="identifier">UDEF_CIRCLE</span><span class="special">)</span>
<span class="preprocessor">#define</span> <span class="identifier">BOOST_VMD_REGISTER_UDEF_SQUARE</span> <span class="special">(</span><span class="identifier">UDEF_SQUARE</span><span class="special">)</span>
<span class="preprocessor">#define</span> <span class="identifier">BOOST_VMD_REGISTER_UDEF_TRIANGLE</span> <span class="special">(</span><span class="identifier">UDEF_TRIANGLE</span><sp