429 lines
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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_1IndexIVFSpectralHash.html">IndexIVFSpectralHash</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pub-attribs">Public Attributes</a> |
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<div class="title">faiss::IndexIVFSpectralHash Struct Reference</div> </div>
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<p><code>#include <<a class="el" href="IndexIVFSpectralHash_8h_source.html">IndexIVFSpectralHash.h</a>></code></p>
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Inheritance diagram for faiss::IndexIVFSpectralHash:</div>
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<img src="structfaiss_1_1IndexIVFSpectralHash.png" usemap="#faiss::IndexIVFSpectralHash_map" alt=""/>
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<area href="structfaiss_1_1IndexIVF.html" alt="faiss::IndexIVF" shape="rect" coords="90,56,260,80"/>
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<area href="structfaiss_1_1Index.html" alt="faiss::Index" shape="rect" coords="0,0,170,24"/>
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<area href="structfaiss_1_1Level1Quantizer.html" alt="faiss::Level1Quantizer" shape="rect" coords="180,0,350,24"/>
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</map>
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</div></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:ab1fcef4721c51d66cbca92c45fba12a4"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><b>ThresholdType</b> { <b>Thresh_global</b>,
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<b>Thresh_centroid</b>,
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<b>Thresh_centroid_half</b>,
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<b>Thresh_median</b>
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}</td></tr>
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<tr class="separator:ab1fcef4721c51d66cbca92c45fba12a4"><td class="memSeparator" colspan="2"> </td></tr>
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<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>
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<tr class="memitem:ad3f0d3071f987baabbdd3da4500c87ea inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad3f0d3071f987baabbdd3da4500c87ea"></a>
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using </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> = long</td></tr>
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<tr class="memdesc:ad3f0d3071f987baabbdd3da4500c87ea 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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<tr class="separator:ad3f0d3071f987baabbdd3da4500c87ea inherit pub_types_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af317cb1e2ad0bd145f716f2243b693eb inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af317cb1e2ad0bd145f716f2243b693eb"></a>
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using </td><td class="memItemRight" valign="bottom"><b>component_t</b> = float</td></tr>
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<tr class="separator:af317cb1e2ad0bd145f716f2243b693eb inherit pub_types_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1c60d7a12bf3ad27054963df8cccd93f inherit pub_types_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1c60d7a12bf3ad27054963df8cccd93f"></a>
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using </td><td class="memItemRight" valign="bottom"><b>distance_t</b> = float</td></tr>
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<tr class="separator:a1c60d7a12bf3ad27054963df8cccd93f inherit pub_types_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:ae0f985d0c43ed103eb95638c1a51877c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae0f985d0c43ed103eb95638c1a51877c"></a>
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 </td><td class="memItemRight" valign="bottom"><b>IndexIVFSpectralHash</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t <a class="el" href="structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7">nlist</a>, int nbit, float period)</td></tr>
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<tr class="separator:ae0f985d0c43ed103eb95638c1a51877c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a47c66c0610e9e7e42e584f5560791707"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFSpectralHash.html#a47c66c0610e9e7e42e584f5560791707">train_residual</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x) override</td></tr>
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<tr class="separator:a47c66c0610e9e7e42e584f5560791707"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab875c25aaf4fb2db0313b763c9294d64"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFSpectralHash.html#ab875c25aaf4fb2db0313b763c9294d64">encode_vectors</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, const <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *list_nos, uint8_t *codes) const override</td></tr>
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<tr class="separator:ab875c25aaf4fb2db0313b763c9294d64"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4d82b242a308783e53a350fc0064e062"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4d82b242a308783e53a350fc0064e062"></a>
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<a class="el" href="structfaiss_1_1InvertedListScanner.html">InvertedListScanner</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVFSpectralHash.html#a4d82b242a308783e53a350fc0064e062">get_InvertedListScanner</a> (bool store_pairs) const override</td></tr>
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<tr class="memdesc:a4d82b242a308783e53a350fc0064e062"><td class="mdescLeft"> </td><td class="mdescRight">get a scanner for this index (store_pairs means ignore labels) <br/></td></tr>
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<tr class="separator:a4d82b242a308783e53a350fc0064e062"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_methods_structfaiss_1_1IndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1IndexIVF')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a></td></tr>
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<tr class="memitem:a7077b7e60e250b9a84c49ff38205bbbf inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7077b7e60e250b9a84c49ff38205bbbf">IndexIVF</a> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a>, size_t <a class="el" href="structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7">nlist</a>, size_t <a class="el" href="structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f">code_size</a>, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric=METRIC_L2)</td></tr>
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<tr class="separator:a7077b7e60e250b9a84c49ff38205bbbf inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a47a3b7665e9d2be41c6d3b2e9144b73f inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a47a3b7665e9d2be41c6d3b2e9144b73f"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a47a3b7665e9d2be41c6d3b2e9144b73f">reset</a> () override</td></tr>
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<tr class="memdesc:a47a3b7665e9d2be41c6d3b2e9144b73f inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">removes all elements from the database. <br/></td></tr>
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<tr class="separator:a47a3b7665e9d2be41c6d3b2e9144b73f inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7a1d5eec194db0977b2318c6ed6a2b86"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7a1d5eec194db0977b2318c6ed6a2b86">train</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x) override</td></tr>
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<tr class="memdesc:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Trains the quantizer and calls train_residual to train sub-quantizers. <br/></td></tr>
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<tr class="separator:a7a1d5eec194db0977b2318c6ed6a2b86 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a821002a9d3a1a74dc8d6f6072eca4075"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a821002a9d3a1a74dc8d6f6072eca4075">add</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x) override</td></tr>
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<tr class="memdesc:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Calls add_with_ids with NULL ids. <br/></td></tr>
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<tr class="separator:a821002a9d3a1a74dc8d6f6072eca4075 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a14e75169bddcd0251134821416b060a1 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a14e75169bddcd0251134821416b060a1"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a14e75169bddcd0251134821416b060a1">add_with_ids</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, const <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *xids) override</td></tr>
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<tr class="memdesc:a14e75169bddcd0251134821416b060a1 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">default implementation that calls encode_vectors <br/></td></tr>
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<tr class="memitem:a7cf3a1963394f87d61913420a66eb468 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7cf3a1963394f87d61913420a66eb468">search_preassigned</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> k, const <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *<a class="el" href="structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c">assign</a>, const float *centroid_dis, float *distances, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *labels, bool store_pairs, const <a class="el" href="structfaiss_1_1IVFSearchParameters.html">IVFSearchParameters</a> *params=nullptr) const </td></tr>
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<tr class="memitem:ae2fd47b7d52603659e269aa8f6abb613 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#ae2fd47b7d52603659e269aa8f6abb613">search</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *labels) const override</td></tr>
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<tr class="memitem:a5b7b4b3dc5ea40f7076a00c81cc83d66 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a5b7b4b3dc5ea40f7076a00c81cc83d66">range_search</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, float radius, <a class="el" href="structfaiss_1_1RangeSearchResult.html">RangeSearchResult</a> *result) const override</td></tr>
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<tr class="memitem:a20105e3d7c531d6b03bd39b296e39e43 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a20105e3d7c531d6b03bd39b296e39e43"></a>
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void </td><td class="memItemRight" valign="bottom"><b>range_search_preassigned</b> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> nx, const float *x, float radius, const <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *keys, const float *coarse_dis, <a class="el" href="structfaiss_1_1RangeSearchResult.html">RangeSearchResult</a> *result) const </td></tr>
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<tr class="memitem:a3b3270dcfa248dc30117644382a54e39 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a3b3270dcfa248dc30117644382a54e39">reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> key, float *recons) const override</td></tr>
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<tr class="memitem:a7cc286dfbd8bfd43ea4b22173e28231c inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7cc286dfbd8bfd43ea4b22173e28231c">reconstruct_n</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> i0, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> ni, float *recons) const override</td></tr>
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<tr class="memitem:a77aec24920024a09f7661790d9534c10 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a77aec24920024a09f7661790d9534c10">search_and_reconstruct</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> k, float *distances, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *labels, float *recons) const override</td></tr>
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<tr class="memitem:acaa919a002354a7944266c26f8965170 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#acaa919a002354a7944266c26f8965170">reconstruct_from_offset</a> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> list_no, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> offset, float *recons) const </td></tr>
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<tr class="memitem:a4e6f5ea9abc1a014531be989b5dea4b7 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4e6f5ea9abc1a014531be989b5dea4b7"></a>
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<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a4e6f5ea9abc1a014531be989b5dea4b7">remove_ids</a> (const <a class="el" href="structfaiss_1_1IDSelector.html">IDSelector</a> &sel) override</td></tr>
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<tr class="memdesc:a4e6f5ea9abc1a014531be989b5dea4b7 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Dataset manipulation functions. <br/></td></tr>
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<tr class="memitem:a7fc8b9a1fff9f3d24cf7055fbc4fed7b inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7fc8b9a1fff9f3d24cf7055fbc4fed7b">check_compatible_for_merge</a> (const <a class="el" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> &other) const </td></tr>
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<tr class="memitem:a0f22cc237c30c935df5b6560aecf8f01 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a0f22cc237c30c935df5b6560aecf8f01">merge_from</a> (<a class="el" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> &other, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> add_id)</td></tr>
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<tr class="memitem:aa64ecc5e7b286e9b0f252796edd4714b inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aa64ecc5e7b286e9b0f252796edd4714b">copy_subset_to</a> (<a class="el" href="structfaiss_1_1IndexIVF.html">IndexIVF</a> &other, int subset_type, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> a1, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> a2) const </td></tr>
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<tr class="memitem:a0475311f5faee84d024066906bae0bbd inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0475311f5faee84d024066906bae0bbd"></a>
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size_t </td><td class="memItemRight" valign="bottom"><b>get_list_size</b> (size_t list_no) const </td></tr>
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<tr class="memitem:a1c11ce77f459e2ab3e5d9a4c2263ad89 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a1c11ce77f459e2ab3e5d9a4c2263ad89">make_direct_map</a> (bool new_maintain_direct_map=true)</td></tr>
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<tr class="memitem:a4eb943aeb7df30d44ad9b665452bfcf7 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4eb943aeb7df30d44ad9b665452bfcf7"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a4eb943aeb7df30d44ad9b665452bfcf7">replace_invlists</a> (<a class="el" href="structfaiss_1_1InvertedLists.html">InvertedLists</a> *il, bool own=false)</td></tr>
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<tr class="memdesc:a4eb943aeb7df30d44ad9b665452bfcf7 inherit pub_methods_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">replace the inverted lists, old one is deallocated if own_invlists <br/></td></tr>
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<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>
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<tr class="memitem:a7b8cc435b5619d5d8382010a424bf67e inherit pub_methods_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7b8cc435b5619d5d8382010a424bf67e"></a>
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 </td><td class="memItemRight" valign="bottom"><b>Index</b> (<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">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>
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<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#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> n, const float *x, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> *labels, <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> k=1)</td></tr>
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<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#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> key) const </td></tr>
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<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>
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<tr class="inherit_header pub_methods_structfaiss_1_1Level1Quantizer"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_structfaiss_1_1Level1Quantizer')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="structfaiss_1_1Level1Quantizer.html">faiss::Level1Quantizer</a></td></tr>
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<tr class="memitem:a0069a6ee1e32c2e0c1c7df9a95740dd4 inherit pub_methods_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0069a6ee1e32c2e0c1c7df9a95740dd4"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#a0069a6ee1e32c2e0c1c7df9a95740dd4">train_q1</a> (size_t n, const float *x, bool verbose, <a class="el" href="namespacefaiss.html#afd12191c638da74760ff397cf319752c">MetricType</a> metric_type)</td></tr>
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<tr class="memdesc:a0069a6ee1e32c2e0c1c7df9a95740dd4 inherit pub_methods_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">Trains the quantizer and calls train_residual to train sub-quantizers. <br/></td></tr>
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<tr class="memitem:a7262e1eb542b177308dab0c043e90d01 inherit pub_methods_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7262e1eb542b177308dab0c043e90d01"></a>
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 </td><td class="memItemRight" valign="bottom"><b>Level1Quantizer</b> (<a class="el" href="structfaiss_1_1Index.html">Index</a> *<a class="el" href="structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5">quantizer</a>, size_t <a class="el" href="structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7">nlist</a>)</td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public Attributes</h2></td></tr>
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<tr class="memitem:aea6fba82a2b471e8bdddbaba2050e446"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aea6fba82a2b471e8bdddbaba2050e446"></a>
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<a class="el" href="structfaiss_1_1VectorTransform.html">VectorTransform</a> * </td><td class="memItemRight" valign="bottom"><b>vt</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>own_fields</b></td></tr>
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<tr class="memitem:a0fab89bc0764922e318968e2c58a3b10"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0fab89bc0764922e318968e2c58a3b10"></a>
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int </td><td class="memItemRight" valign="bottom"><b>nbit</b></td></tr>
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float </td><td class="memItemRight" valign="bottom"><b>period</b></td></tr>
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<tr class="memitem:a9e078b0de9b87e427ce6b0b157020f85"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9e078b0de9b87e427ce6b0b157020f85"></a>
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ThresholdType </td><td class="memItemRight" valign="bottom"><b>threshold_type</b></td></tr>
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std::vector< float > </td><td class="memItemRight" valign="bottom"><b>trained</b></td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1IndexIVF"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1IndexIVF')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1IndexIVF.html">faiss::IndexIVF</a></td></tr>
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<tr class="memitem:aa0e8fc5e04cbd8e0dde61f98bc7dd0bc inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa0e8fc5e04cbd8e0dde61f98bc7dd0bc"></a>
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<a class="el" href="structfaiss_1_1InvertedLists.html">InvertedLists</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aa0e8fc5e04cbd8e0dde61f98bc7dd0bc">invlists</a></td></tr>
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<tr class="memdesc:aa0e8fc5e04cbd8e0dde61f98bc7dd0bc inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">Acess to the actual data. <br/></td></tr>
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<tr class="separator:aa0e8fc5e04cbd8e0dde61f98bc7dd0bc inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5743b18d78fe1b9910d8ff8670f207d7 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5743b18d78fe1b9910d8ff8670f207d7"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>own_invlists</b></td></tr>
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<tr class="separator:a5743b18d78fe1b9910d8ff8670f207d7 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a46d1aeddb60643c5b3f096147c3e028f inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a46d1aeddb60643c5b3f096147c3e028f"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a46d1aeddb60643c5b3f096147c3e028f">code_size</a></td></tr>
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<tr class="memdesc:a46d1aeddb60643c5b3f096147c3e028f inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">code size per vector in bytes <br/></td></tr>
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<tr class="memitem:affed235eadf27a13d753ee4d33a1dc58 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="affed235eadf27a13d753ee4d33a1dc58"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#affed235eadf27a13d753ee4d33a1dc58">nprobe</a></td></tr>
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<tr class="memdesc:affed235eadf27a13d753ee4d33a1dc58 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">number of probes at query time <br/></td></tr>
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<tr class="memitem:a7f2dd34f66f8770acba74a0a591fa4a8 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7f2dd34f66f8770acba74a0a591fa4a8"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a7f2dd34f66f8770acba74a0a591fa4a8">max_codes</a></td></tr>
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<tr class="memdesc:a7f2dd34f66f8770acba74a0a591fa4a8 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">max nb of codes to visit to do a query <br/></td></tr>
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<tr class="memitem:a244ec2067da495ff1493687e0048ae02 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#a244ec2067da495ff1493687e0048ae02">parallel_mode</a></td></tr>
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<tr class="separator:a244ec2067da495ff1493687e0048ae02 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aedd0c14b5654295b291638ec7f9f9517"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1IndexIVF.html#aedd0c14b5654295b291638ec7f9f9517">maintain_direct_map</a></td></tr>
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<tr class="memdesc:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="mdescLeft"> </td><td class="mdescRight">map for direct access to the elements. Enables <a class="el" href="structfaiss_1_1IndexIVF.html#a3b3270dcfa248dc30117644382a54e39">reconstruct()</a>. <br/></td></tr>
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<tr class="separator:aedd0c14b5654295b291638ec7f9f9517 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a009f1cf185e6468de2c4ec5cb8766469 inherit pub_attribs_structfaiss_1_1IndexIVF"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a009f1cf185e6468de2c4ec5cb8766469"></a>
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std::vector< <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> > </td><td class="memItemRight" valign="bottom"><b>direct_map</b></td></tr>
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<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>
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<tr class="memitem:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2a002388d2c081c2dbab8508dcefe73d"></a>
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int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d">d</a></td></tr>
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<tr class="memdesc:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">vector dimension <br/></td></tr>
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<tr class="separator:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6970683faa021b7a6f1a0865c0d4eccd"></a>
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<a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd">ntotal</a></td></tr>
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<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>
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<tr class="separator:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5590d847c5c2b958affd2a05e58a6f23"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23">verbose</a></td></tr>
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<tr class="memdesc:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="mdescLeft"> </td><td class="mdescRight">verbosity level <br/></td></tr>
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<tr class="separator:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e92732617c4dbe364e7678dd8773a7f"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f">is_trained</a></td></tr>
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<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>
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<tr class="separator:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8e18f641854b2bde83ecff0a2f9a6f4e"></a>
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<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>
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<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>
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<tr class="separator:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="inherit_header pub_attribs_structfaiss_1_1Level1Quantizer"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_structfaiss_1_1Level1Quantizer')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="structfaiss_1_1Level1Quantizer.html">faiss::Level1Quantizer</a></td></tr>
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<tr class="memitem:a3cf99e2ee92b8558a066f821efab95d5 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3cf99e2ee92b8558a066f821efab95d5"></a>
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<a class="el" href="structfaiss_1_1Index.html">Index</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#a3cf99e2ee92b8558a066f821efab95d5">quantizer</a></td></tr>
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<tr class="memdesc:a3cf99e2ee92b8558a066f821efab95d5 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">quantizer that maps vectors to inverted lists <br/></td></tr>
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<tr class="separator:a3cf99e2ee92b8558a066f821efab95d5 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1c4fc9d874d9492ee0ea27a5be388fa7 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1c4fc9d874d9492ee0ea27a5be388fa7"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#a1c4fc9d874d9492ee0ea27a5be388fa7">nlist</a></td></tr>
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<tr class="memdesc:a1c4fc9d874d9492ee0ea27a5be388fa7 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">number of possible key values <br/></td></tr>
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<tr class="separator:a1c4fc9d874d9492ee0ea27a5be388fa7 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1dcea762fc322fdcffe64f78994edea0 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#a1dcea762fc322fdcffe64f78994edea0">quantizer_trains_alone</a></td></tr>
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<tr class="separator:a1dcea762fc322fdcffe64f78994edea0 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab688c629cd42122d73517078b87f483d inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab688c629cd42122d73517078b87f483d"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#ab688c629cd42122d73517078b87f483d">own_fields</a></td></tr>
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<tr class="memdesc:ab688c629cd42122d73517078b87f483d inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">whether object owns the quantizer <br/></td></tr>
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<tr class="separator:ab688c629cd42122d73517078b87f483d inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:abb7097ed40b15ba0af08af6d03608f72 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abb7097ed40b15ba0af08af6d03608f72"></a>
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<a class="el" href="structfaiss_1_1ClusteringParameters.html">ClusteringParameters</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#abb7097ed40b15ba0af08af6d03608f72">cp</a></td></tr>
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<tr class="memdesc:abb7097ed40b15ba0af08af6d03608f72 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">to override default clustering params <br/></td></tr>
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<tr class="separator:abb7097ed40b15ba0af08af6d03608f72 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a45d29dd6a5c53789c08e5ceb3f63d989 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a45d29dd6a5c53789c08e5ceb3f63d989"></a>
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<a class="el" href="structfaiss_1_1Index.html">Index</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1Level1Quantizer.html#a45d29dd6a5c53789c08e5ceb3f63d989">clustering_index</a></td></tr>
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<tr class="memdesc:a45d29dd6a5c53789c08e5ceb3f63d989 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="mdescLeft"> </td><td class="mdescRight">to override index used during clustering <br/></td></tr>
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<tr class="separator:a45d29dd6a5c53789c08e5ceb3f63d989 inherit pub_attribs_structfaiss_1_1Level1Quantizer"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Inverted list that stores binary codes of size nbit. Before the binary conversion, the dimension of the vectors is transformed from dim d into dim nbit by vt (a random rotation by default).</p>
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<p>Each coordinate is subtracted from a value determined by threshold_type, and split into intervals of size period. Half of the interval is a 0 bit, the other half a 1. </p>
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<p>Definition at line <a class="el" href="IndexIVFSpectralHash_8h_source.html#l00031">31</a> of file <a class="el" href="IndexIVFSpectralHash_8h_source.html">IndexIVFSpectralHash.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="ab875c25aaf4fb2db0313b763c9294d64"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<table class="memname">
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<td class="memname">void faiss::IndexIVFSpectralHash::encode_vectors </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> </td>
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<td class="paramname"><em>n</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const float * </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> * </td>
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<td class="paramname"><em>list_nos</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint8_t * </td>
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<td class="paramname"><em>codes</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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</tr>
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</table>
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</td>
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<td class="mlabels-right">
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
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</table>
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</div><div class="memdoc">
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<p>Encodes a set of vectors as they would appear in the inverted lists</p>
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<dl class="params"><dt>Parameters</dt><dd>
|
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<table class="params">
|
||
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<tr><td class="paramname">list_nos</td><td>inverted list ids as returned by the quantizer (size n). -1s are ignored. </td></tr>
|
||
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<tr><td class="paramname">codes</td><td>output codes, size n * code_size </td></tr>
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</table>
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</dd>
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</dl>
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<p>Implements <a class="el" href="structfaiss_1_1IndexIVF.html#a2f16f939a418d8e58ff43f4ee0dc17cc">faiss::IndexIVF</a>.</p>
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<p>Definition at line <a class="el" href="IndexIVFSpectralHash_8cpp_source.html#l00161">161</a> of file <a class="el" href="IndexIVFSpectralHash_8cpp_source.html">IndexIVFSpectralHash.cpp</a>.</p>
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</div>
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<a class="anchor" id="a47c66c0610e9e7e42e584f5560791707"></a>
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<div class="memitem">
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<div class="memproto">
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<table class="mlabels">
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<tr>
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<td class="mlabels-left">
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<table class="memname">
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<tr>
|
||
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<td class="memname">void faiss::IndexIVFSpectralHash::train_residual </td>
|
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<td>(</td>
|
||
|
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<td class="paramtype"><a class="el" href="structfaiss_1_1Index.html#ad3f0d3071f987baabbdd3da4500c87ea">idx_t</a> </td>
|
||
|
|
<td class="paramname"><em>n</em>, </td>
|
||
|
|
</tr>
|
||
|
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<tr>
|
||
|
|
<td class="paramkey"></td>
|
||
|
|
<td></td>
|
||
|
|
<td class="paramtype">const float * </td>
|
||
|
|
<td class="paramname"><em>x</em> </td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td></td>
|
||
|
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<td>)</td>
|
||
|
|
<td></td><td></td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</td>
|
||
|
|
<td class="mlabels-right">
|
||
|
|
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
</div><div class="memdoc">
|
||
|
|
<p>Sub-classes that encode the residuals can train their encoders here does nothing by default </p>
|
||
|
|
|
||
|
|
<p>Reimplemented from <a class="el" href="structfaiss_1_1IndexIVF.html#a567ef760fd09d09ce2ee4f4e6c2d7280">faiss::IndexIVF</a>.</p>
|
||
|
|
|
||
|
|
<p>Definition at line <a class="el" href="IndexIVFSpectralHash_8cpp_source.html#l00066">66</a> of file <a class="el" href="IndexIVFSpectralHash_8cpp_source.html">IndexIVFSpectralHash.cpp</a>.</p>
|
||
|
|
|
||
|
|
</div>
|
||
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|
</div>
|
||
|
|
<hr/>The documentation for this struct was generated from the following files:<ul>
|
||
|
|
<li>/data/users/hoss/faiss/<a class="el" href="IndexIVFSpectralHash_8h_source.html">IndexIVFSpectralHash.h</a></li>
|
||
|
|
<li>/data/users/hoss/faiss/<a class="el" href="IndexIVFSpectralHash_8cpp_source.html">IndexIVFSpectralHash.cpp</a></li>
|
||
|
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</ul>
|
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