ass="Identifier">cdouble</span><span class="Other">;</span> <span class="Identifier">fvec</span><span class="Other">:</span> <span class="Keyword">ptr</span> <span class="Identifier">cdouble</span><span class="Other">;</span>
                <span class="Identifier">dvec</span><span class="Other">:</span> <span class="Keyword">ptr</span> <span class="Keyword">ptr</span> <span class="Identifier">cdouble</span><span class="Other">;</span> <span class="Identifier">private_data</span><span class="Other">:</span