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📄 tree__vat_8h-source.html

📁 这是一个用于数据挖掘的常用算法的模板库(数据挖掘的C++模板库for UNIX)
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<a name="l00283"></a>00283       cerr&lt;&lt;<span class="stringliteral">"tree_vat: call to back in empty vat"</span>&lt;&lt;endl;<a name="l00284"></a>00284       exit(0);<a name="l00285"></a>00285     }<a name="l00286"></a>00286     <span class="keywordflow">return</span> _idlist.back();<a name="l00287"></a>00287   }<a name="l00288"></a>00288   <a name="l00289"></a>00289 };<span class="comment">//end class vat-embedded tree</span><a name="l00290"></a>00290 <a name="l00291"></a>00291 <span class="keyword">template</span>&lt;<span class="keyword">typename</span> PP, <span class="keyword">typename</span> MP, <span class="keyword">template</span>&lt;<span class="keyword">typename</span>&gt; <span class="keyword">class </span>VAT_ST&gt;<a name="l00292"></a>00292 ostream&amp; operator&lt;&lt; (ostream&amp; ostr, const vat&lt;TREE_PROP, V_Fkk_MINE_PROP, VAT_ST&gt;* tvat) {<a name="l00293"></a>00293   <span class="keyword">typedef</span> <a class="code" href="classvat.html">vat&lt;TREE_PROP, V_Fkk_MINE_PROP, VAT_ST&gt;</a> VAT;<a name="l00294"></a>00294   <span class="keyword">typename</span> VAT::CONST_IT it=tvat-&gt;begin();<a name="l00295"></a>00295   <a name="l00296"></a>00296   <span class="keywordflow">while</span>(it!=tvat-&gt;end()) {<a name="l00297"></a>00297     ostr&lt;&lt;it-&gt;first&lt;&lt;<span class="stringliteral">" "</span>;<a name="l00298"></a>00298     <span class="keyword">typename</span> VAT::CONST_INST_IT inst_it=it-&gt;second.begin();<a name="l00299"></a>00299     <span class="keywordflow">while</span>(inst_it!=it-&gt;second.end())<a name="l00300"></a>00300       ostr&lt;&lt;(*inst_it++)&lt;&lt;<span class="stringliteral">" "</span>;<a name="l00301"></a>00301     ostr&lt;&lt;endl;<a name="l00302"></a>00302     it++;<a name="l00303"></a>00303   }<a name="l00304"></a>00304   <a name="l00305"></a>00305   <span class="keywordflow">return</span> ostr;<a name="l00306"></a>00306 }<span class="comment">//end friend operator&lt;&lt;</span><a name="l00307"></a>00307 <a name="l00308"></a>00308 <a name="l00316"></a>00316 <span class="keyword">template</span>&lt;<span class="keyword">typename</span> PP, <span class="keyword">typename</span> MP, <span class="keyword">template</span> &lt;<span class="keyword">typename</span>&gt; <span class="keyword">class </span>ALLOC, <span class="keyword">template</span>&lt;<span class="keyword">typename</span>, <span class="keyword">typename</span>&gt; <span class="keyword">class </span>VAT_ST&gt;<a name="l00317"></a><a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">00317</a> <span class="keyword">class </span><a class="code" href="classvat.html">vat</a>&lt;TREE_PROP, V_Fkk_IND_MINE_PROP, ALLOC, VAT_ST&gt;<a name="l00318"></a>00318 {<a name="l00319"></a>00319   <a name="l00320"></a>00320  <span class="keyword">public</span>:<a name="l00321"></a>00321   <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T1, <span class="keyword">typename</span> A&gt;<a name="l00322"></a>00322     <span class="keyword">class </span>ST: <span class="keyword">public</span> VAT_ST&lt;T1, A&gt; {};<a name="l00323"></a>00323   <a name="l00324"></a>00324   <span class="keyword">typedef</span> <a class="code" href="classpattern__support.html">pattern_support&lt;V_Fkk_IND_MINE_PROP&gt;</a> <a class="code" href="classpattern__support.html">PAT_SUP</a>;<a name="l00325"></a>00325   <a name="l00326"></a>00326   <span class="keyword">typedef</span> <a class="code" href="classvat.html">vat&lt;TREE_PROP, V_Fkk_IND_MINE_PROP, ALLOC, VAT_ST&gt;</a> <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>;<a name="l00327"></a>00327   <span class="keyword">typedef</span> <a class="code" href="classtree__instance.html">tree_instance&lt;std::vector, PP&gt;</a> <a class="code" href="classtree__instance.html">INSTANCE</a>;<a name="l00328"></a>00328   <span class="keyword">typedef</span> VAT_ST&lt;pair&lt;int, VAT_ST&lt;INSTANCE, ALLOC&lt;INSTANCE&gt; &gt; &gt;, ALLOC&lt;pair&lt;int, VAT_ST&lt;INSTANCE, ALLOC&lt;INSTANCE&gt; &gt; &gt; &gt; &gt; IDLIST_T;<a name="l00329"></a>00329   <span class="keyword">typedef</span> <span class="keyword">typename</span> IDLIST_T::const_iterator CONST_IT;<a name="l00330"></a>00330   <span class="keyword">typedef</span> <span class="keyword">typename</span> IDLIST_T::iterator IT;<a name="l00331"></a>00331   <span class="keyword">typedef</span> <span class="keyword">typename</span> VAT_ST&lt;INSTANCE, ALLOC&lt;INSTANCE&gt; &gt;::const_iterator CONST_INST_IT;<a name="l00332"></a>00332   <span class="keyword">typedef</span> VAT_ST&lt;INSTANCE, ALLOC&lt;INSTANCE&gt; &gt; INSTANCES;<a name="l00333"></a>00333   <span class="keyword">typedef</span> <span class="keyword">typename</span> VAT_ST&lt;INSTANCE, ALLOC&lt;INSTANCE&gt; &gt;::iterator INST_IT;<a name="l00334"></a>00334   <span class="keyword">typedef</span> <span class="keyword">typename</span> std::vector&lt;int&gt;::const_iterator CONST_STORE_IT;<a name="l00335"></a>00335   <span class="keyword">typedef</span> <span class="keyword">typename</span> std::vector&lt;int&gt;::iterator STORE_IT; <a name="l00336"></a>00336   IT begin() {<span class="keywordflow">return</span> _idlist.begin();}<a name="l00337"></a>00337   CONST_IT begin()<span class="keyword"> const </span>{<span class="keywordflow">return</span> _idlist.begin();}<a name="l00338"></a>00338   IT end() {<span class="keywordflow">return</span> _idlist.end();}<a name="l00339"></a>00339   CONST_IT end()<span class="keyword"> const </span>{<span class="keywordflow">return</span> _idlist.end();}<a name="l00340"></a>00340   <a name="l00341"></a>00341   <span class="keywordtype">bool</span> empty()<span class="keyword"> const </span>{<span class="keywordflow">return</span> _idlist.empty();}<a name="l00342"></a>00342   <span class="keywordtype">int</span> size() {<span class="keywordflow">return</span> _idlist.size();}<a name="l00343"></a>00343   <a name="l00345"></a><a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html#c7891a49cdd7dbea2ffa3a91d7d1b5e7">00345</a>   <span class="keywordtype">void</span> push_back(<span class="keyword">const</span> pair&lt;<span class="keywordtype">int</span>, VAT_ST&lt;<a class="code" href="classtree__instance.html">INSTANCE</a>, ALLOC&lt;INSTANCE&gt; &gt; &gt;&amp; val) {<a name="l00346"></a>00346     _idlist.push_back(val);<a name="l00347"></a>00347   }<a name="l00348"></a>00348   <a name="l00349"></a>00349           <a name="l00350"></a>00350    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> byte_size()<span class="keyword"> const</span>{<a name="l00351"></a>00351       <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span>  b_size=0;<a name="l00352"></a>00352       CONST_IT it;<a name="l00353"></a>00353       CONST_INST_IT it_inst;<a name="l00354"></a>00354       <span class="comment">//for each instance we will store 5 integer (1 for the vector size) and the vector</span><a name="l00355"></a>00355       <span class="keywordflow">for</span> (it = begin(); it!=end();++it){<a name="l00356"></a>00356         b_size+=2*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>);<a name="l00357"></a>00357         <span class="keywordflow">for</span> (it_inst=it-&gt;second.begin();it_inst!=it-&gt;second.end();++it_inst)<a name="l00358"></a>00358            b_size+=(it_inst-&gt;get_ml_size()+5)*<span class="keyword">sizeof</span>(<span class="keywordtype">int</span>);<a name="l00359"></a>00359       }<a name="l00360"></a>00360       <span class="keywordflow">return</span> b_size;<a name="l00361"></a>00361   }<a name="l00362"></a>00362 <a name="l00363"></a>00363   <span class="comment">//writing a VAT to a binary file</span><a name="l00364"></a>00364   <span class="keywordtype">void</span> write_file(ostream &amp; output) {<a name="l00365"></a>00365       <span class="comment">//cout&lt;&lt;"Writing to the file"&lt;&lt;endl;</span><a name="l00366"></a>00366       <span class="comment">//cout&lt;&lt; *this ;</span><a name="l00367"></a>00367       <span class="comment">//cout&lt;&lt;endl;</span><a name="l00368"></a>00368       <span class="keywordtype">int</span> ITSZ=<span class="keyword">sizeof</span>(int);<a name="l00369"></a>00369       CONST_IT it;<a name="l00370"></a>00370       CONST_INST_IT it_inst;<a name="l00371"></a>00371       CONST_STORE_IT it_store;<a name="l00372"></a>00372       <span class="keywordtype">int</span> tid,inst_sz,ml_sz,_lb,_ub,_depth,_type;<a name="l00373"></a>00373       <span class="keywordflow">for</span> (it=begin();it!=end();++it){<a name="l00374"></a>00374         tid=it-&gt;first;<a name="l00375"></a>00375         inst_sz=it-&gt;second.size();<a name="l00376"></a>00376         output.write(reinterpret_cast&lt;const char *&gt;(&amp;tid), ITSZ);<a name="l00377"></a>00377         output.write(reinterpret_cast&lt;const char *&gt;(&amp;inst_sz), ITSZ);<a name="l00378"></a>00378         <span class="keywordflow">for</span> (it_inst =it-&gt;second.begin(); it_inst!=it-&gt;second.end(); ++it_inst){<a name="l00379"></a>00379           ml_sz=it_inst-&gt;get_ml_size();<a name="l00380"></a>00380           output.write(reinterpret_cast&lt;const char *&gt;(&amp;ml_sz), ITSZ);<a name="l00381"></a>00381           <span class="keywordflow">for</span> (it_store=it_inst-&gt;get_ml_begin();it_store!=it_inst-&gt;get_ml_end();++it_store){<a name="l00382"></a>00382             output.write(reinterpret_cast&lt;const char *&gt;(&amp;(*it_store)), ITSZ);<a name="l00383"></a>00383           }          <a name="l00384"></a>00384           _lb=it_inst-&gt;get_lb();  <a name="l00385"></a>00385           output.write(reinterpret_cast&lt;const char *&gt;(&amp;_lb), ITSZ);<a name="l00386"></a>00386           _ub=it_inst-&gt;get_ub();  <a name="l00387"></a>00387           output.write(reinterpret_cast&lt;const char *&gt;(&amp;_ub), ITSZ);<a name="l00388"></a>00388           _depth=it_inst-&gt;get_depth();  <a name="l00389"></a>00389           output.write(reinterpret_cast&lt;const char *&gt;(&amp;_depth), ITSZ);<a name="l00390"></a>00390           _type=(int)it_inst-&gt;induced();  <a name="l00391"></a>00391           output.write(reinterpret_cast&lt;const char *&gt;(&amp;_type), ITSZ);<a name="l00392"></a>00392         } <span class="comment">//for it_inst</span><a name="l00393"></a>00393       }<span class="comment">//it</span><a name="l00394"></a>00394 <a name="l00395"></a>00395   }<a name="l00396"></a>00396     <a name="l00397"></a>00397   <span class="keywordtype">void</span> read_file (istream &amp; input, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">int</span> size) {<a name="l00398"></a>00398      <span class="comment">//cout&lt;&lt;"reading from the the file"&lt;&lt;endl;</span><a name="l00399"></a>00399      <span class="keywordtype">int</span> ITSZ=<span class="keyword">sizeof</span>(int);<a name="l00400"></a>00400      <span class="keywordtype">int</span> buf_size=size/ITSZ;   <a name="l00401"></a>00401      <span class="keywordtype">int</span> *buf = <span class="keyword">new</span> <span class="keywordtype">int</span>[buf_size];<a name="l00402"></a>00402      input.read((<span class="keywordtype">char</span> *)buf, (size)); <a name="l00403"></a>00403      <span class="keywordtype">int</span> current=0;<a name="l00404"></a>00404      <span class="keywordflow">while</span>(current&lt;buf_size){<a name="l00405"></a>00405        <span class="keywordtype">int</span> tid=buf[current++];<a name="l00406"></a>00406        <span class="keywordtype">int</span> inst_sz=buf[current++];<a name="l00407"></a>00407        INSTANCES _new_instlist;<a name="l00408"></a>00408        <span class="keywordflow">while</span> (inst_sz--&gt;0){<a name="l00409"></a>00409          <span class="keywordtype">int</span> ml_sz=buf[current++];<a name="l00410"></a>00410          std::vector&lt;int&gt; ml;<a name="l00411"></a>00411          <span class="keywordflow">while</span>(ml_sz--&gt;0)<a name="l00412"></a>00412            ml.push_back(buf[current++]);        <a name="l00413"></a>00413          _new_instlist.push_back(INSTANCE(ml, buf[current],buf[current+1],buf[current+2],buf[current+3]));<a name="l00414"></a>00414          current=current+4;<a name="l00415"></a>00415           <a name="l00416"></a>00416        }<a name="l00417"></a>00417        _idlist.push_back(make_pair(tid,_new_instlist));<a name="l00418"></a>00418      } <a name="l00419"></a>00419      input.clear();<a name="l00420"></a>00420      <span class="keyword">delete</span> []  buf;<a name="l00421"></a>00421   } <a name="l00422"></a>00422 <a name="l00423"></a>00423 <a name="l00427"></a>00427   <span class="keyword">template</span>&lt;<span class="keyword">class</span> PAT&gt;<a name="l00428"></a><a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html#ba7f1a941691892133cc56a79865860d">00428</a>     <span class="keyword">static</span> <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>** intersection(<span class="keyword">const</span> <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>*<span class="keyword">const</span>&amp; v1, <span class="keyword">const</span> <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>*<span class="keyword">const</span>&amp; v2, <a class="code" href="classpattern__support.html">PAT_SUP</a>** cand_sups, PAT**, <span class="keywordtype">bool</span> is_l2) {<a name="l00429"></a>00429     <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>** cand_vats=<span class="keyword">new</span> <a class="code" href="classvat_3_01TREE__PROP_00_01V__Fkk__IND__MINE__PROP_00_01ALLOC_00_01VAT__ST_01_4.html">VAT</a>*[2]; <span class="comment">// max of 2 candidates possible</span><a name="l00430"></a>00430     <span class="keywordtype">bool</span> do_child, do_cousin;<a name="l00431"></a>00431     do_cousin=(cand_sups[0]? 1:0);<a name="l00432"></a>00432     do_child=(cand_sups[1]? 1:0);<a name="l00433"></a>00433     <span class="keywordtype">int</span> last_etid_cousin=-1, last_itid_cousin=-1, last_etid_child=-1, last_itid_child=-1;<a name="l00434"></a>00434     <span class="keywordtype">int</span> d;<a name="l00435"></a>00435     <span class="keywordtype">bool</span> iflag;

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