/div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function/Subroutine Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a451d5b19041b12b842e87775cba090d4">&#9670;&#160;</a></span>add_double_sub()</h2>

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          <td class="memname">procedure di