s="identifier">BOOST_VMD_TYPE_UDEF_SHAPES</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_SUBTYPE_REGISTER_UDEF_SQUARE</span> <span class="special">(</span><span class="identifier">BOOST_VMD_TYPE_UDEF_SHAPES</span><span class="special">,</span><span class="identifier">UDEF_SQUARE</span><span class="special">)</span>
<span class="preprocessor">#define</span> <span class="