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<div class="title">/data/users/hoss/faiss/IndexBinaryFromFloat.h</div> </div>
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</div><!--header-->
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/**</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) Facebook, Inc. and its affiliates.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This source code is licensed under the MIT license found in the</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * LICENSE file in the root directory of this source tree.</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// -*- c++ -*-</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef FAISS_INDEX_BINARY_FROM_FLOAT_H</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define FAISS_INDEX_BINARY_FROM_FLOAT_H</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "IndexBinary.h"</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keyword">namespace </span>faiss {</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">struct </span>Index;</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/** IndexBinary backed by a float Index.</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * Supports adding vertices and searching them.</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * All queries are symmetric because there is no distinction between codes and</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * vectors.</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="structfaiss_1_1IndexBinaryFromFloat.html"> 28</a></span> <span class="keyword">struct </span><a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html">IndexBinaryFromFloat</a> : <a class="code" href="structfaiss_1_1IndexBinary.html">IndexBinary</a> {</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="structfaiss_1_1Index.html">Index</a> *index = <span class="keyword">nullptr</span>;</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="structfaiss_1_1IndexBinaryFromFloat.html#a7311fc4d11169f7bc668c16b027336ba"> 31</a></span>  <span class="keywordtype">bool</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html#a7311fc4d11169f7bc668c16b027336ba">own_fields</a> = <span class="keyword">false</span>; <span class="comment">///< Whether object owns the index pointer.</span></div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html">IndexBinaryFromFloat</a>();</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">explicit</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html">IndexBinaryFromFloat</a>(<a class="code" href="structfaiss_1_1Index.html">Index</a> *index);</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  ~<a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html">IndexBinaryFromFloat</a>();</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html#ac4f01196a335a9b2433e5c16396c1fd7">add</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">idx_t</a> n, <span class="keyword">const</span> uint8_t *x) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html#a487be675843e3146ee15bef3ee004a85">reset</a>() <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html#af92913a782c65843fbf7a65e017d6f5f">search</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">idx_t</a> n, <span class="keyword">const</span> uint8_t *x, <a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">idx_t</a> k,</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  int32_t *distances, <a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">idx_t</a> *labels) <span class="keyword">const override</span>;</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordtype">void</span> <a class="code" href="structfaiss_1_1IndexBinaryFromFloat.html#a7de4bb8e82f0dae621c87b44cfb64404">train</a>(<a class="code" href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">idx_t</a> n, <span class="keyword">const</span> uint8_t *x) <span class="keyword">override</span>;</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> };</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> } <span class="comment">// namespace faiss</span></div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#endif // FAISS_INDEX_BINARY_FROM_FLOAT_H</span></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html_ac4f01196a335a9b2433e5c16396c1fd7"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html#ac4f01196a335a9b2433e5c16396c1fd7">faiss::IndexBinaryFromFloat::add</a></div><div class="ttdeci">void add(idx_t n, const uint8_t *x) override</div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8cpp_source.html#l00034">IndexBinaryFromFloat.cpp:34</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html_a7311fc4d11169f7bc668c16b027336ba"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html#a7311fc4d11169f7bc668c16b027336ba">faiss::IndexBinaryFromFloat::own_fields</a></div><div class="ttdeci">bool own_fields</div><div class="ttdoc">Whether object owns the index pointer. </div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8h_source.html#l00031">IndexBinaryFromFloat.h:31</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinary_html_a01749bbdbd3b7ec6bb9390257ab16c5c"><div class="ttname"><a href="structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c">faiss::IndexBinary::idx_t</a></div><div class="ttdeci">Index::idx_t idx_t</div><div class="ttdoc">all indices are this type </div><div class="ttdef"><b>Definition:</b> <a href="IndexBinary_8h_source.html#l00037">IndexBinary.h:37</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html_af92913a782c65843fbf7a65e017d6f5f"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html#af92913a782c65843fbf7a65e017d6f5f">faiss::IndexBinaryFromFloat::search</a></div><div class="ttdeci">void search(idx_t n, const uint8_t *x, idx_t k, int32_t *distances, idx_t *labels) const override</div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8cpp_source.html#l00052">IndexBinaryFromFloat.cpp:52</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html">faiss::IndexBinaryFromFloat</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8h_source.html#l00028">IndexBinaryFromFloat.h:28</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html_a487be675843e3146ee15bef3ee004a85"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html#a487be675843e3146ee15bef3ee004a85">faiss::IndexBinaryFromFloat::reset</a></div><div class="ttdeci">void reset() override</div><div class="ttdoc">Removes all elements from the database. </div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8cpp_source.html#l00047">IndexBinaryFromFloat.cpp:47</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinary_html"><div class="ttname"><a href="structfaiss_1_1IndexBinary.html">faiss::IndexBinary</a></div><div class="ttdef"><b>Definition:</b> <a href="IndexBinary_8h_source.html#l00036">IndexBinary.h:36</a></div></div>
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<div class="ttc" id="structfaiss_1_1Index_html"><div class="ttname"><a href="structfaiss_1_1Index.html">faiss::Index</a></div><div class="ttdef"><b>Definition:</b> <a href="Index_8h_source.html#l00061">Index.h:61</a></div></div>
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<div class="ttc" id="structfaiss_1_1IndexBinaryFromFloat_html_a7de4bb8e82f0dae621c87b44cfb64404"><div class="ttname"><a href="structfaiss_1_1IndexBinaryFromFloat.html#a7de4bb8e82f0dae621c87b44cfb64404">faiss::IndexBinaryFromFloat::train</a></div><div class="ttdeci">void train(idx_t n, const uint8_t *x) override</div><div class="ttdef"><b>Definition:</b> <a href="IndexBinaryFromFloat_8cpp_source.html#l00069">IndexBinaryFromFloat.cpp:69</a></div></div>
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