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<li class="navelem"><a class="el" href="namespacefaiss.html">faiss</a></li><li class="navelem"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html">MultiIndexQuantizer</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="structfaiss_1_1MultiIndexQuantizer-members.html">List of all members</a> </div>
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<div class="title">faiss::MultiIndexQuantizer Struct Reference</div> </div>
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<p><code>#include <<a class="el" href="IndexPQ_8h_source.html">IndexPQ.h</a>></code></p>
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Inheritance diagram for faiss::MultiIndexQuantizer:</div>
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<img src="structfaiss_1_1MultiIndexQuantizer.png" usemap="#faiss::MultiIndexQuantizer_map" alt=""/>
<map id="faiss::MultiIndexQuantizer_map" name="faiss::MultiIndexQuantizer_map">
<area href="structfaiss_1_1Index.html" alt="faiss::Index" shape="rect" coords="0,0,163,24"/>
<area href="structfaiss_1_1MultiIndexQuantizer2.html" alt="faiss::MultiIndexQuantizer2" shape="rect" coords="0,112,163,136"/>
</map>
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<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:a01a568055ebc1e841f7e4218722efa01"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#a01a568055ebc1e841f7e4218722efa01">MultiIndexQuantizer</a> (int <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t M, size_t nbits)</td></tr>
<tr class="memdesc:a01a568055ebc1e841f7e4218722efa01"><td class="mdescLeft"> </td><td class="mdescRight">number of bit per subvector index <a href="#a01a568055ebc1e841f7e4218722efa01">More...</a><br/></td></tr>
<tr class="separator:a01a568055ebc1e841f7e4218722efa01"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6fa1d1a295eb2d4377b8de5096ab3ef4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#a6fa1d1a295eb2d4377b8de5096ab3ef4">train</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
<tr class="separator:a6fa1d1a295eb2d4377b8de5096ab3ef4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a999ee03f4e65f453377e209d10e25681"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#a999ee03f4e65f453377e209d10e25681">search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels) const override</td></tr>
<tr class="separator:a999ee03f4e65f453377e209d10e25681"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa72640bcbe2e5d9029954c2fa6633453"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa72640bcbe2e5d9029954c2fa6633453"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#aa72640bcbe2e5d9029954c2fa6633453">add</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x) override</td></tr>
<tr class="memdesc:aa72640bcbe2e5d9029954c2fa6633453"><td class="mdescLeft"> </td><td class="mdescRight">add and reset will crash at runtime <br/></td></tr>
<tr class="separator:aa72640bcbe2e5d9029954c2fa6633453"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4808ce22fcc95c7af902b97969f2a90d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4808ce22fcc95c7af902b97969f2a90d"></a>
void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#a4808ce22fcc95c7af902b97969f2a90d">reset</a> () override</td></tr>
<tr class="memdesc:a4808ce22fcc95c7af902b97969f2a90d"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
<tr class="separator:a4808ce22fcc95c7af902b97969f2a90d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa5bd578560419955a4bf7035cf09a392"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1MultiIndexQuantizer.html#aa5bd578560419955a4bf7035cf09a392">reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key, float *recons) const override</td></tr>
<tr class="separator:aa5bd578560419955a4bf7035cf09a392"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
<tr class="memitem:a7b8cc435b5619d5d8382010a424bf67e inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b8cc435b5619d5d8382010a424bf67e"></a>
 </td><td class="memItemRight" valign="bottom"><b>Index</b> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>=0, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric=METRIC_L2)</td></tr>
<tr class="separator:a7b8cc435b5619d5d8382010a424bf67e inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f">add_with_ids</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, const long *xids)</td></tr>
<tr class="separator:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a236897832a58dbb205e2d662c1929fb1 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a236897832a58dbb205e2d662c1929fb1">range_search</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, float radius, <a class="el" href="structfaiss_1_1RangeSearchResult.html">RangeSearchResult</a> *result) const </td></tr>
<tr class="separator:a236897832a58dbb205e2d662c1929fb1 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c">assign</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k=1)</td></tr>
<tr class="separator:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#af8bf7bd97aeed8ad5fc48b242379a68a">remove_ids</a> (const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> &sel)</td></tr>
<tr class="separator:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a1936604fffe16b0ef2a3879305950738">reconstruct_n</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> i0, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> ni, float *recons) const </td></tr>
<tr class="separator:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa5b4e63e1064f9bf9c75625d114b353f inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aa5b4e63e1064f9bf9c75625d114b353f">search_and_reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> *labels, float *recons) const </td></tr>
<tr class="separator:aa5b4e63e1064f9bf9c75625d114b353f inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9">compute_residual</a> (const float *x, float *residual, <a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> key) const </td></tr>
<tr class="separator:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a373c30e3d87d1d4e616f450d87152b1a">display</a> () const </td></tr>
<tr class="separator:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a8ddb6030d00d326268b3a8ded2f83dac"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8ddb6030d00d326268b3a8ded2f83dac"></a>
<a class="el" href="structfaiss_1_1ProductQuantizer.html">ProductQuantizer</a> </td><td class="memItemRight" valign="bottom"><b>pq</b></td></tr>
<tr class="separator:a8ddb6030d00d326268b3a8ded2f83dac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_attribs_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
<tr class="memitem:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2a002388d2c081c2dbab8508dcefe73d"></a>
int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a></td></tr>
<tr class="memdesc:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">vector dimension <br/></td></tr>
<tr class="separator:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6970683faa021b7a6f1a0865c0d4eccd"></a>
<a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a></td></tr>
<tr class="memdesc:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">total nb of indexed vectors <br/></td></tr>
<tr class="separator:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5590d847c5c2b958affd2a05e58a6f23"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a></td></tr>
<tr class="memdesc:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">verbosity level <br/></td></tr>
<tr class="separator:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e92732617c4dbe364e7678dd8773a7f"></a>
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f">is_trained</a></td></tr>
<tr class="memdesc:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">set if the <a class="el" href="structfaiss_1_1Index.html">Index</a> does not require training, or if training is done already <br/></td></tr>
<tr class="separator:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8e18f641854b2bde83ecff0a2f9a6f4e"></a>
<a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e">metric_type</a></td></tr>
<tr class="memdesc:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">type of metric this index uses for search <br/></td></tr>
<tr class="separator:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
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Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_structfaiss_1_1Index"><td colspan="2" onclick="javascript:toggleInherit('pub_types_structfaiss_1_1Index')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="structfaiss_1_1Index.html">faiss::Index</a></td></tr>
<tr class="memitem:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a040c6aed1f224f3ea7bf58eebc0c31a4"></a>
typedef long </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a></td></tr>
<tr class="memdesc:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">all indices are this type <br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Quantizer where centroids are virtual: they are the Cartesian product of sub-centroids. </p>
<p>Definition at line <a class="el" href="IndexPQ_8h_source.html#l00135">135</a> of file <a class="el" href="IndexPQ_8h_source.html">IndexPQ.h</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td class="memname">faiss::MultiIndexQuantizer::MultiIndexQuantizer </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>d</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>M</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">size_t </td>
<td class="paramname"><em>nbits</em> </td>
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<td>)</td>
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<p>number of bit per subvector index </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">d</td><td>dimension of the input vectors </td></tr>
<tr><td class="paramname">M</td><td>number of subquantizers </td></tr>
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</dd>
</dl>
<p>Definition at line <a class="el" href="IndexPQ_8cpp_source.html#l00826">826</a> of file <a class="el" href="IndexPQ_8cpp_source.html">IndexPQ.cpp</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void faiss::MultiIndexQuantizer::reconstruct </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
<td class="paramname"><em>key</em>, </td>
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<td class="paramtype">float * </td>
<td class="paramname"><em>recons</em> </td>
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<td>)</td>
<td></td><td> const</td>
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<p>Reconstruct a stored vector (or an approximation if lossy coding)</p>
<p>this function may not be defined for some indexes </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">key</td><td>id of the vector to reconstruct </td></tr>
<tr><td class="paramname">recons</td><td>reconstucted vector (size d) </td></tr>
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</dd>
</dl>
<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#aaef6f4132b1f390121ebb11058baf190">faiss::Index</a>.</p>
<p>Definition at line <a class="el" href="IndexPQ_8cpp_source.html#l00905">905</a> of file <a class="el" href="IndexPQ_8cpp_source.html">IndexPQ.cpp</a>.</p>
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<td class="memname">void faiss::MultiIndexQuantizer::search </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
<td class="paramname"><em>n</em>, </td>
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<td></td>
<td class="paramtype">const float * </td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
<td class="paramname"><em>k</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">float * </td>
<td class="paramname"><em>distances</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> * </td>
<td class="paramname"><em>labels</em> </td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>query n vectors of dimension d to the index.</p>
<p>return at most k vectors. If there are not enough results for a query, the result array is padded with -1s.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>input vectors to search, size n * d </td></tr>
<tr><td class="paramname">labels</td><td>output labels of the NNs, size n*k </td></tr>
<tr><td class="paramname">distances</td><td>output pairwise distances, size n*k </td></tr>
</table>
</dd>
</dl>
<p>Implements <a class="el" href="structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7">faiss::Index</a>.</p>
<p>Reimplemented in <a class="el" href="structfaiss_1_1MultiIndexQuantizer2.html#adff25d40c18f5d7a65d359d1cd80ea29">faiss::MultiIndexQuantizer2</a>.</p>
<p>Definition at line <a class="el" href="IndexPQ_8cpp_source.html#l00849">849</a> of file <a class="el" href="IndexPQ_8cpp_source.html">IndexPQ.cpp</a>.</p>
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<td class="memname">void faiss::MultiIndexQuantizer::train </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4">idx_t</a> </td>
<td class="paramname"><em>n</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const float * </td>
<td class="paramname"><em>x</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Perform training on a representative set of vectors</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">n</td><td>nb of training vectors </td></tr>
<tr><td class="paramname">x</td><td>training vecors, size n * d </td></tr>
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</dd>
</dl>
<p>Reimplemented from <a class="el" href="structfaiss_1_1Index.html#abf601502bdbfa02b9d7bcd7b3671b71d">faiss::Index</a>.</p>
<p>Reimplemented in <a class="el" href="structfaiss_1_1MultiIndexQuantizer2.html#a553b9a33e9be7f231ffdc0ac53c59e7c">faiss::MultiIndexQuantizer2</a>.</p>
<p>Definition at line <a class="el" href="IndexPQ_8cpp_source.html#l00837">837</a> of file <a class="el" href="IndexPQ_8cpp_source.html">IndexPQ.cpp</a>.</p>
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<hr/>The documentation for this struct was generated from the following files:<ul>
<li>/data/users/matthijs/github_faiss/faiss/<a class="el" href="IndexPQ_8h_source.html">IndexPQ.h</a></li>
<li>/data/users/matthijs/github_faiss/faiss/<a class="el" href="IndexPQ_8cpp_source.html">IndexPQ.cpp</a></li>
</ul>
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