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< title > Faiss: /data/users/hoss/faiss/IndexBinaryFromFloat.cpp Source File< / title >
2018-12-20 00:48:35 +08:00
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2019-05-28 22:17:22 +08:00
< div class = "title" > /data/users/hoss/faiss/IndexBinaryFromFloat.cpp< / div > < / 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 >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > *< / span > < / div >
< 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 >
< 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 = "l00008" > < / a > < span class = "lineno" > 8< / span >   < span class = "comment" > // -*- c++ -*-< / span > < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > #include " IndexBinaryFromFloat.h" < / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include < memory> < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / span >   < span class = "preprocessor" > #include " utils.h" < / span > < / div >
< div class = "line" > < a name = "l00014" > < / a > < span class = "lineno" > 14< / span >   < / div >
< div class = "line" > < a name = "l00015" > < / a > < span class = "lineno" > 15< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / 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 >   IndexBinaryFromFloat::IndexBinaryFromFloat() {}< / div >
< div class = "line" > < a name = "l00019" > < / a > < span class = "lineno" > 19< / span >   < / div >
< div class = "line" > < a name = "l00020" > < / a > < span class = "lineno" > 20< / span >   IndexBinaryFromFloat::IndexBinaryFromFloat(Index *index)< / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   : IndexBinary(index-> d),< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   index(index),< / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   own_fields(false) {< / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = index-> is_trained;< / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = index-> ntotal;< / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   }< / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   IndexBinaryFromFloat::~IndexBinaryFromFloat() {< / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "keywordflow" > if< / span > (< a class = "code" href = "structfaiss_1_1IndexBinaryFromFloat.html#a7311fc4d11169f7bc668c16b027336ba" > own_fields< / a > ) {< / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "keyword" > delete< / span > index;< / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   }< / div >
< div class = "line" > < a name = "l00032" > < / a > < span class = "lineno" > 32< / span >   }< / div >
< div class = "line" > < a name = "l00033" > < / a > < span class = "lineno" > 33< / span >   < / div >
< div class = "line" > < a name = "l00034" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryFromFloat.html#ac4f01196a335a9b2433e5c16396c1fd7" > 34< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFromFloat.html#ac4f01196a335a9b2433e5c16396c1fd7" > IndexBinaryFromFloat::add< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x) {< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   constexpr < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > bs = 32768;< / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > 36< / span >   std::unique_ptr< float[]> xf(< span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [bs * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ]);< / div >
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > 37< / span >   < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > 38< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > b = 0; b < n; b += bs) {< / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > 39< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > bn = std::min(bs, n - b);< / div >
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < a class = "code" href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > binary_to_real< / a > (bn * d, x + b * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > , xf.get());< / div >
< div class = "line" > < a name = "l00041" > < / a > < span class = "lineno" > 41< / span >   < / div >
< div class = "line" > < a name = "l00042" > < / a > < span class = "lineno" > 42< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a1b5e9ac70adbce0897dd6c8276ad96f2" > add< / a > (bn, xf.get());< / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   }< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   }< / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryFromFloat.html#a487be675843e3146ee15bef3ee004a85" > 47< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFromFloat.html#a487be675843e3146ee15bef3ee004a85" > IndexBinaryFromFloat::reset< / a > () {< / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191" > reset< / a > ();< / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > 50< / span >   }< / div >
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > 51< / span >   < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryFromFloat.html#af92913a782c65843fbf7a65e017d6f5f" > 52< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFromFloat.html#af92913a782c65843fbf7a65e017d6f5f" > IndexBinaryFromFloat::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 >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > 53< / span >   int32_t *distances, < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > *labels)< span class = "keyword" > const < / span > {< / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > 54< / span >   constexpr < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > bs = 32768;< / div >
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   std::unique_ptr< float[]> xf(< span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [bs * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ]);< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   std::unique_ptr< float[]> df(< span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [bs * k]);< / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordflow" > for< / span > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > b = 0; b < n; b += bs) {< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > bn = std::min(bs, n - b);< / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < a class = "code" href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > binary_to_real< / a > (bn * d, x + b * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > code_size< / a > , xf.get());< / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > 61< / span >   < / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > search< / a > (bn, xf.get(), k, df.get(), labels + b * k);< / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < bn * k; ++i) {< / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > 64< / span >   distances[b * k + i] = int32_t(std::round(df[i] / 4.0));< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   }< / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   }< / div >
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > 67< / span >   }< / div >
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexBinaryFromFloat.html#a7de4bb8e82f0dae621c87b44cfb64404" > 69< / a > < / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexBinaryFromFloat.html#a7de4bb8e82f0dae621c87b44cfb64404" > IndexBinaryFromFloat::train< / a > (< a class = "code" href = "structfaiss_1_1IndexBinary.html#a01749bbdbd3b7ec6bb9390257ab16c5c" > idx_t< / a > n, < span class = "keyword" > const< / span > uint8_t *x) {< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   std::unique_ptr< float[]> xf(< span class = "keyword" > new< / span > < span class = "keywordtype" > float< / span > [n * < a class = "code" href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > d< / a > ]);< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < a class = "code" href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > binary_to_real< / a > (n * d, x, xf.get());< / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   index-> < a class = "code" href = "structfaiss_1_1Index.html#abf601502bdbfa02b9d7bcd7b3671b71d" > train< / a > (n, xf.get());< / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > is_trained< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < a class = "code" href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > ntotal< / a > = index-> < a class = "code" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > ;< / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   }< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   < / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   } < span class = "comment" > // namespace faiss< / span > < / div >
< 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 >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a849361f5f0ab0aba8d419c86f2594191" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a849361f5f0ab0aba8d419c86f2594191" > faiss::Index::reset< / a > < / div > < div class = "ttdeci" > virtual void reset()=0< / div > < div class = "ttdoc" > removes all elements from the database. < / div > < / div >
2019-05-28 22:17:22 +08:00
< 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 >
< div class = "ttc" id = "structfaiss_1_1Index_html_abf601502bdbfa02b9d7bcd7b3671b71d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#abf601502bdbfa02b9d7bcd7b3671b71d" > faiss::Index::train< / a > < / div > < div class = "ttdeci" > virtual void train(idx_t n, const float *x)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8cpp_source.html#l00023" > Index.cpp:23< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a132119ae93e240b54621c5c669853c7f" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a132119ae93e240b54621c5c669853c7f" > faiss::IndexBinary::is_trained< / a > < / div > < div class = "ttdeci" > bool is_trained< / div > < div class = "ttdoc" > set if the Index does not require training, or if training is done already < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00047" > IndexBinary.h:47< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a277c2645b8def11c5d982384098c5380" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a277c2645b8def11c5d982384098c5380" > faiss::IndexBinary::code_size< / a > < / div > < div class = "ttdeci" > int code_size< / div > < div class = "ttdoc" > number of bytes per vector ( = d / 8 ) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00042" > IndexBinary.h:42< / a > < / div > < / div >
< 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 >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a0e485a7189eec2675032486d3b12cf88" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a0e485a7189eec2675032486d3b12cf88" > faiss::IndexBinary::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00041" > IndexBinary.h:41< / a > < / div > < / div >
< 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 >
2018-12-20 00:48:35 +08:00
< div class = "ttc" id = "structfaiss_1_1Index_html_a1b5e9ac70adbce0897dd6c8276ad96f2" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a1b5e9ac70adbce0897dd6c8276ad96f2" > faiss::Index::add< / a > < / div > < div class = "ttdeci" > virtual void add(idx_t n, const float *x)=0< / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a6970683faa021b7a6f1a0865c0d4eccd" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > faiss::Index::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00067" > Index.h:67< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_aced51b1ebc33c47ab3ae15ea906559a7" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > faiss::Index::search< / a > < / div > < div class = "ttdeci" > virtual void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const =0< / div > < / div >
2019-05-28 22:17:22 +08:00
< 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 >
< div class = "ttc" id = "structfaiss_1_1IndexBinary_html_a41b6759d127475d5fcd2b3982a8f355e" > < div class = "ttname" > < a href = "structfaiss_1_1IndexBinary.html#a41b6759d127475d5fcd2b3982a8f355e" > faiss::IndexBinary::ntotal< / a > < / div > < div class = "ttdeci" > idx_t ntotal< / div > < div class = "ttdoc" > total nb of indexed vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexBinary_8h_source.html#l00043" > IndexBinary.h:43< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_ac8260e10cfeed08a4344b85845773e16" > < div class = "ttname" > < a href = "namespacefaiss.html#ac8260e10cfeed08a4344b85845773e16" > faiss::binary_to_real< / a > < / div > < div class = "ttdeci" > void binary_to_real(size_t d, const uint8_t *x_in, float *x_out)< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "utils_8cpp_source.html#l01564" > utils.cpp:1564< / a > < / div > < / div >
< 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 >
2018-12-20 00:48:35 +08:00
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