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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<li class="navelem"><a class="el" href="namespacebm.html">bm</a></li><li class="navelem"><a class="el" href="classbm_1_1rank__compressor.html">rank_compressor</a></li> </ul>
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<div class="title">bm::rank_compressor< BV > Class Template Reference<div class="ingroups"><a class="el" href="group__bmagic.html">BitMagic Library</a> » <a class="el" href="group__bvector.html">bvector<> container</a> » <a class="el" href="group__setalgo.html">bvector<> algorithms</a></div></div> </div>
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<p>Algorithms for rank compression of bit-vector.
<a href="classbm_1_1rank__compressor.html#details">More...</a></p>
<p><code>#include <<a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for bm::rank_compressor< BV >:</div>
<div class="dyncontent">
<div class="center"><img src="classbm_1_1rank__compressor__inherit__graph.png" border="0" usemap="#bm_1_1rank__compressor_3_01BV_01_4_inherit__map" alt="Inheritance graph"/></div>
<map name="bm_1_1rank__compressor_3_01BV_01_4_inherit__map" id="bm_1_1rank__compressor_3_01BV_01_4_inherit__map">
<area shape="rect" title="Algorithms for rank compression of bit-vector." alt="" coords="5,5,153,47"/>
<area shape="rect" href="classbm_1_1rank__compressor.html" title=" " alt="" coords="5,109,153,151"/>
</map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a5679f4467161dc8f79319d9567c9788a"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#a5679f4467161dc8f79319d9567c9788a">buffer_cap</a> { <a class="el" href="classbm_1_1rank__compressor.html#a5679f4467161dc8f79319d9567c9788aa55db2bd669ffae10c0d9d74d7bf35744">n_buffer_cap</a> = 1024
}</td></tr>
<tr class="separator:a5679f4467161dc8f79319d9567c9788a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f529c238713832c166c72ccfc847533"><td class="memItemLeft" align="right" valign="top">typedef BV </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#a5f529c238713832c166c72ccfc847533">bvector_type</a></td></tr>
<tr class="separator:a5f529c238713832c166c72ccfc847533"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a805eff657a6285d1c7168988fa4f48e1"><td class="memItemLeft" align="right" valign="top">typedef BV::size_type </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#a805eff657a6285d1c7168988fa4f48e1">size_type</a></td></tr>
<tr class="separator:a805eff657a6285d1c7168988fa4f48e1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae2160f0764c5fa4665f412e73aa92295"><td class="memItemLeft" align="right" valign="top">typedef BV::rs_index_type </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#ae2160f0764c5fa4665f412e73aa92295">rs_index_type</a></td></tr>
<tr class="separator:ae2160f0764c5fa4665f412e73aa92295"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a42f314905fb8119d0bd574c4765f31fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#a42f314905fb8119d0bd574c4765f31fe">decompress</a> (BV &bv_target, const BV &bv_idx, const BV &bv_src)</td></tr>
<tr class="memdesc:a42f314905fb8119d0bd574c4765f31fe"><td class="mdescLeft"> </td><td class="mdescRight">Rank decompression. <a href="classbm_1_1rank__compressor.html#a42f314905fb8119d0bd574c4765f31fe">More...</a><br /></td></tr>
<tr class="separator:a42f314905fb8119d0bd574c4765f31fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad915e9f0fb1862c3f05cbe36229cfc45"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#ad915e9f0fb1862c3f05cbe36229cfc45">compress</a> (BV &bv_target, const BV &bv_idx, const BV &bv_src)</td></tr>
<tr class="memdesc:ad915e9f0fb1862c3f05cbe36229cfc45"><td class="mdescLeft"> </td><td class="mdescRight">Rank compression algorithm based on two palallel iterators/enumerators set of source vector gets re-mapped in accord with the index/rank vector. <a href="classbm_1_1rank__compressor.html#ad915e9f0fb1862c3f05cbe36229cfc45">More...</a><br /></td></tr>
<tr class="separator:ad915e9f0fb1862c3f05cbe36229cfc45"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a59956fb7f893a11bd7ed963fc7ef5cca"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classbm_1_1rank__compressor.html#a59956fb7f893a11bd7ed963fc7ef5cca">compress_by_source</a> (BV &bv_target, const BV &bv_idx, const <a class="el" href="classbm_1_1rank__compressor.html#ae2160f0764c5fa4665f412e73aa92295">rs_index_type</a> &bc_idx, const BV &bv_src)</td></tr>
<tr class="memdesc:a59956fb7f893a11bd7ed963fc7ef5cca"><td class="mdescLeft"> </td><td class="mdescRight">Source vector priority + index based rank. <a href="classbm_1_1rank__compressor.html#a59956fb7f893a11bd7ed963fc7ef5cca">More...</a><br /></td></tr>
<tr class="separator:a59956fb7f893a11bd7ed963fc7ef5cca"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename BV><br />
class bm::rank_compressor< BV ></h3>
<p>Algorithms for rank compression of bit-vector. </p>
<ol type="1">
<li>Source vector (bv_src) is a subset of index vector (bv_idx)</li>
<li>As a subset it can be collapsed using bit-rank method, where each position in the source vector is defined by population count (range) [0..index_position] (count_range()) As a result all integer set of source vector gets re-mapped in accord with the index vector. </li>
</ol>
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00407">407</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a5f529c238713832c166c72ccfc847533"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5f529c238713832c166c72ccfc847533">◆ </a></span>bvector_type</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename BV > </div>
<table class="memname">
<tr>
<td class="memname">typedef BV <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::<a class="el" href="classbm_1_1rank__compressor.html#a5f529c238713832c166c72ccfc847533">bvector_type</a></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00410">410</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div>
</div>
<a id="ae2160f0764c5fa4665f412e73aa92295"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae2160f0764c5fa4665f412e73aa92295">◆ </a></span>rs_index_type</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename BV > </div>
<table class="memname">
<tr>
<td class="memname">typedef BV::rs_index_type <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::<a class="el" href="classbm_1_1rank__compressor.html#ae2160f0764c5fa4665f412e73aa92295">rs_index_type</a></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00412">412</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div>
</div>
<a id="a805eff657a6285d1c7168988fa4f48e1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a805eff657a6285d1c7168988fa4f48e1">◆ </a></span>size_type</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename BV > </div>
<table class="memname">
<tr>
<td class="memname">typedef BV::size_type <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::<a class="el" href="classbm_1_1rank__compressor.html#a805eff657a6285d1c7168988fa4f48e1">size_type</a></td>
</tr>
</table>
</div><div class="memdoc">
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00411">411</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div>
</div>
<h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a5679f4467161dc8f79319d9567c9788a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5679f4467161dc8f79319d9567c9788a">◆ </a></span>buffer_cap</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<typename BV > </div>
<table class="memname">
<tr>
<td class="memname">enum <a class="el" href="classbm_1_1rank__compressor.html#a5679f4467161dc8f79319d9567c9788a">bm::rank_compressor::buffer_cap</a></td>
</tr>
</table>
</div><div class="memdoc">
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a5679f4467161dc8f79319d9567c9788aa55db2bd669ffae10c0d9d74d7bf35744"></a>n_buffer_cap </td><td class="fielddoc"></td></tr>
</table>
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00413">413</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="ad915e9f0fb1862c3f05cbe36229cfc45"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad915e9f0fb1862c3f05cbe36229cfc45">◆ </a></span>compress()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class BV > </div>
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::compress </td>
<td>(</td>
<td class="paramtype">BV & </td>
<td class="paramname"><em>bv_target</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_src</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Rank compression algorithm based on two palallel iterators/enumerators set of source vector gets re-mapped in accord with the index/rank vector. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">bv_target</td><td>- target bit-vector </td></tr>
<tr><td class="paramname">bv_idx</td><td>- index (rank) vector used for address recalculation </td></tr>
<tr><td class="paramname">bv_src</td><td>- source vector for re-mapping </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00452">452</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
<p class="reference">Referenced by <a class="el" href="bmsparsevec__compr_8h_source.html#l00889">bm::rsc_sparse_vector< Val, SV >::load_from()</a>.</p>
</div>
</div>
<a id="a59956fb7f893a11bd7ed963fc7ef5cca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a59956fb7f893a11bd7ed963fc7ef5cca">◆ </a></span>compress_by_source()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class BV > </div>
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::compress_by_source </td>
<td>(</td>
<td class="paramtype">BV & </td>
<td class="paramname"><em>bv_target</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classbm_1_1rank__compressor.html#ae2160f0764c5fa4665f412e73aa92295">rs_index_type</a> & </td>
<td class="paramname"><em>bc_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_src</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Source vector priority + index based rank. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classbm_1_1rank__compressor.html#ad915e9f0fb1862c3f05cbe36229cfc45" title="Rank compression algorithm based on two palallel iterators/enumerators set of source vector gets re-m...">compress</a> </dd></dl>
<p>Rank compressor visitor (functor)</p>
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00602">602</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
</div>
</div>
<a id="a42f314905fb8119d0bd574c4765f31fe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a42f314905fb8119d0bd574c4765f31fe">◆ </a></span>decompress()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class BV > </div>
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="classbm_1_1rank__compressor.html">bm::rank_compressor</a>< BV >::decompress </td>
<td>(</td>
<td class="paramtype">BV & </td>
<td class="paramname"><em>bv_target</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_idx</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const BV & </td>
<td class="paramname"><em>bv_src</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Rank decompression. </p>
<p class="definition">Definition at line <a class="el" href="bmalgo_8h_source.html#l00525">525</a> of file <a class="el" href="bmalgo_8h_source.html">bmalgo.h</a>.</p>
<p class="reference">Referenced by <a class="el" href="bmsparsevec__compr_8h_source.html#l00930">bm::rsc_sparse_vector< Val, SV >::load_to()</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="bmalgo_8h_source.html">bmalgo.h</a></li>
</ul>
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