2017-06-21 21:54:28 +08:00
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
< html xmlns = "http://www.w3.org/1999/xhtml" >
< head >
< meta http-equiv = "Content-Type" content = "text/xhtml;charset=UTF-8" / >
< meta http-equiv = "X-UA-Compatible" content = "IE=9" / >
< meta name = "generator" content = "Doxygen 1.8.5" / >
< title > Faiss: /data/users/matthijs/github_faiss/faiss/IndexIVFScalarQuantizer.h Source File< / title >
< link href = "tabs.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "jquery.js" > < / script >
< script type = "text/javascript" src = "dynsections.js" > < / script >
< link href = "search/search.css" rel = "stylesheet" type = "text/css" / >
< script type = "text/javascript" src = "search/search.js" > < / script >
< script type = "text/javascript" >
$(document).ready(function() { searchBox.OnSelectItem(0); });
< / script >
< link href = "doxygen.css" rel = "stylesheet" type = "text/css" / >
< / head >
< body >
< div id = "top" > <!-- do not remove this div, it is closed by doxygen! -->
< div id = "titlearea" >
< table cellspacing = "0" cellpadding = "0" >
< tbody >
< tr style = "height: 56px;" >
< td style = "padding-left: 0.5em;" >
< div id = "projectname" > Faiss
< / div >
< / td >
< / tr >
< / tbody >
< / table >
< / div >
<!-- end header part -->
<!-- Generated by Doxygen 1.8.5 -->
< script type = "text/javascript" >
var searchBox = new SearchBox("searchBox", "search",false,'Search');
< / script >
< div id = "navrow1" class = "tabs" >
< ul class = "tablist" >
< li > < a href = "index.html" > < span > Main  Page< / span > < / a > < / li >
< li > < a href = "namespaces.html" > < span > Namespaces< / span > < / a > < / li >
< li > < a href = "annotated.html" > < span > Classes< / span > < / a > < / li >
< li class = "current" > < a href = "files.html" > < span > Files< / span > < / a > < / li >
< li >
< div id = "MSearchBox" class = "MSearchBoxInactive" >
< span class = "left" >
< img id = "MSearchSelect" src = "search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
< input type = "text" id = "MSearchField" value = "Search" accesskey = "S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
< / span > < span class = "right" >
< a id = "MSearchClose" href = "javascript:searchBox.CloseResultsWindow()" > < img id = "MSearchCloseImg" border = "0" src = "search/close.png" alt = "" / > < / a >
< / span >
< / div >
< / li >
< / ul >
< / div >
< div id = "navrow2" class = "tabs2" >
< ul class = "tablist" >
< li > < a href = "files.html" > < span > File  List< / span > < / a > < / li >
< / ul >
< / div >
< / div > <!-- top -->
<!-- window showing the filter options -->
< div id = "MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
< a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(0)" > < span class = "SelectionMark" >   < / span > All< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(1)" > < span class = "SelectionMark" >   < / span > Classes< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(2)" > < span class = "SelectionMark" >   < / span > Namespaces< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(3)" > < span class = "SelectionMark" >   < / span > Functions< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(4)" > < span class = "SelectionMark" >   < / span > Variables< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(5)" > < span class = "SelectionMark" >   < / span > Typedefs< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(6)" > < span class = "SelectionMark" >   < / span > Enumerations< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(7)" > < span class = "SelectionMark" >   < / span > Enumerator< / a > < a class = "SelectItem" href = "javascript:void(0)" onclick = "searchBox.OnSelectItem(8)" > < span class = "SelectionMark" >   < / span > Friends< / a > < / div >
<!-- iframe showing the search results (closed by default) -->
< div id = "MSearchResultsWindow" >
< iframe src = "javascript:void(0)" frameborder = "0"
name="MSearchResults" id="MSearchResults">
< / iframe >
< / div >
< div class = "header" >
< div class = "headertitle" >
< div class = "title" > /data/users/matthijs/github_faiss/faiss/IndexIVFScalarQuantizer.h< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< div class = "fragment" > < div class = "line" > < a name = "l00001" > < / a > < span class = "lineno" > 1< / span >   < span class = "comment" > /**< / span > < / div >
< div class = "line" > < a name = "l00002" > < / a > < span class = "lineno" > 2< / span >   < span class = "comment" > * Copyright (c) 2015-present, Facebook, Inc.< / span > < / div >
< div class = "line" > < a name = "l00003" > < / a > < span class = "lineno" > 3< / span >   < span class = "comment" > * All rights reserved.< / span > < / div >
< div class = "line" > < a name = "l00004" > < / a > < span class = "lineno" > 4< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00005" > < / a > < span class = "lineno" > 5< / span >   < span class = "comment" > * This source code is licensed under the CC-by-NC license found in the< / span > < / div >
< div class = "line" > < a name = "l00006" > < / a > < span class = "lineno" > 6< / span >   < span class = "comment" > * LICENSE file in the root directory of this source tree.< / span > < / div >
< div class = "line" > < a name = "l00007" > < / a > < span class = "lineno" > 7< / span >   < span class = "comment" > */< / span > < / div >
< div class = "line" > < a name = "l00008" > < / a > < span class = "lineno" > 8< / span >   < / div >
< div class = "line" > < a name = "l00009" > < / a > < span class = "lineno" > 9< / span >   < span class = "preprocessor" > #ifndef FAISS_INDEX_IVF_SCALAR_QUANTIZER_H< / span > < / div >
< div class = "line" > < a name = "l00010" > < / a > < span class = "lineno" > 10< / span >   < span class = "preprocessor" > < / span > < span class = "preprocessor" > #define FAISS_INDEX_IVF_SCALAR_QUANTIZER_H< / span > < / div >
< div class = "line" > < a name = "l00011" > < / a > < span class = "lineno" > 11< / span >   < span class = "preprocessor" > < / span > < / div >
< div class = "line" > < a name = "l00012" > < / a > < span class = "lineno" > 12< / span >   < span class = "preprocessor" > #include < stdint.h> < / span > < / div >
< div class = "line" > < a name = "l00013" > < / a > < span class = "lineno" > 13< / 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 = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < a name = "l00016" > < / a > < span class = "lineno" > 16< / span >   < / div >
< div class = "line" > < a name = "l00017" > < / a > < span class = "lineno" > 17< / span >   < / div >
< div class = "line" > < a name = "l00018" > < / a > < span class = "lineno" > 18< / span >   < span class = "preprocessor" > #include " IndexIVF.h" < / span > < / 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 >   < / div >
< div class = "line" > < a name = "l00021" > < / a > < span class = "lineno" > 21< / span >   < span class = "keyword" > namespace < / span > faiss {< / div >
< div class = "line" > < a name = "l00022" > < / a > < span class = "lineno" > 22< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00023" > < / a > < span class = "lineno" > 23< / span >   < span class = "comment" > /** An IVF implementation where the components of the residuals are< / span > < / div >
< div class = "line" > < a name = "l00024" > < / a > < span class = "lineno" > 24< / span >   < span class = "comment" > * encoded with a scalar uniform quantizer. All distance computations< / span > < / div >
< div class = "line" > < a name = "l00025" > < / a > < span class = "lineno" > 25< / span >   < span class = "comment" > * are asymmetric, so the encoded vectors are decoded and approximate< / span > < / div >
< div class = "line" > < a name = "l00026" > < / a > < span class = "lineno" > 26< / span >   < span class = "comment" > * distances are computed.< / span > < / div >
< div class = "line" > < a name = "l00027" > < / a > < span class = "lineno" > 27< / span >   < span class = "comment" > *< / span > < / div >
< div class = "line" > < a name = "l00028" > < / a > < span class = "lineno" > 28< / span >   < span class = "comment" > * The uniform quantizer has a range [vmin, vmax]. The range can be< / span > < / div >
< div class = "line" > < a name = "l00029" > < / a > < span class = "lineno" > 29< / span >   < span class = "comment" > * the same for all dimensions (uniform) or specific per dimension< / span > < / div >
< div class = "line" > < a name = "l00030" > < / a > < span class = "lineno" > 30< / span >   < span class = "comment" > * (default).< / span > < / div >
< div class = "line" > < a name = "l00031" > < / a > < span class = "lineno" > 31< / span >   < span class = "comment" > */< / 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_1ScalarQuantizer.html" > 34< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html" > ScalarQuantizer< / a > {< / div >
< div class = "line" > < a name = "l00035" > < / a > < span class = "lineno" > 35< / span >   < / div >
< div class = "line" > < a name = "l00036" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > 36< / a > < / span >   < span class = "keyword" > enum< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > QuantizerType< / a > {< / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00037" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae2f5d4b1376630eb0ea76600c95bd9a2" > 37< / a > < / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae2f5d4b1376630eb0ea76600c95bd9a2" > QT_8bit< / a > , < span class = "comment" > ///< 8 bits per component< / span > < / div >
< div class = "line" > < a name = "l00038" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea7cdbb1cb1c21f8f5866f28aa564b4c0b" > 38< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea7cdbb1cb1c21f8f5866f28aa564b4c0b" > QT_4bit< / a > , < span class = "comment" > ///< 4 bits per component< / span > < / div >
< div class = "line" > < a name = "l00039" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae121980fe6d146604e3086889ebc5754" > 39< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae121980fe6d146604e3086889ebc5754" > QT_8bit_uniform< / a > , < span class = "comment" > ///< same, shared range for all dimensions< / span > < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00040" > < / a > < span class = "lineno" > 40< / span >   < span class = "comment" > < / span > QT_4bit_uniform,< / 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 >   < / div >
< div class = "line" > < a name = "l00043" > < / a > < span class = "lineno" > 43< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > QuantizerType< / a > qtype;< / div >
< div class = "line" > < a name = "l00044" > < / a > < span class = "lineno" > 44< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00045" > < / a > < span class = "lineno" > 45< / span >   < span class = "comment" > /** The uniform encoder can estimate the range of representable< / span > < / div >
< div class = "line" > < a name = "l00046" > < / a > < span class = "lineno" > 46< / span >   < span class = "comment" > * values of the unform encoder using different statistics. Here< / span > < / div >
< div class = "line" > < a name = "l00047" > < / a > < span class = "lineno" > 47< / span >   < span class = "comment" > * rs = rangestat_arg */< / span > < / div >
< div class = "line" > < a name = "l00048" > < / a > < span class = "lineno" > 48< / span >   < / div >
< div class = "line" > < a name = "l00049" > < / a > < span class = "lineno" > 49< / span >   < span class = "comment" > // rangestat_arg.< / span > < / div >
< div class = "line" > < a name = "l00050" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06" > 50< / a > < / span >   < span class = "keyword" > enum< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06" > RangeStat< / a > {< / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00051" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a4c0f67a6585c03b1e4039a23825d7df8" > 51< / a > < / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a4c0f67a6585c03b1e4039a23825d7df8" > RS_minmax< / a > , < span class = "comment" > ///< [min - rs*(max-min), max + rs*(max-min)]< / span > < / div >
< div class = "line" > < a name = "l00052" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06ad64366c7a0eea89fb52b177f251e687c" > 52< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06ad64366c7a0eea89fb52b177f251e687c" > RS_meanstd< / a > , < span class = "comment" > ///< [mean - std * rs, mean + std * rs]< / span > < / div >
< div class = "line" > < a name = "l00053" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a895bd1d41b5b36a1537df9a515a416f7" > 53< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a895bd1d41b5b36a1537df9a515a416f7" > RS_quantiles< / a > , < span class = "comment" > ///< [Q(rs), Q(1-rs)]< / span > < / div >
< div class = "line" > < a name = "l00054" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06af1df5f45cf110c5c235c413ca31797a7" > 54< / a > < / span >   < span class = "comment" > < / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06af1df5f45cf110c5c235c413ca31797a7" > RS_optim< / a > , < span class = "comment" > ///< alternate optimization of reconstruction error< / span > < / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00055" > < / a > < span class = "lineno" > 55< / span >   < span class = "comment" > < / span > };< / div >
< div class = "line" > < a name = "l00056" > < / a > < span class = "lineno" > 56< / span >   < / div >
< div class = "line" > < a name = "l00057" > < / a > < span class = "lineno" > 57< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06" > RangeStat< / a > rangestat;< / div >
< div class = "line" > < a name = "l00058" > < / a > < span class = "lineno" > 58< / span >   < span class = "keywordtype" > float< / span > rangestat_arg;< / div >
< div class = "line" > < a name = "l00059" > < / a > < span class = "lineno" > 59< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00060" > < / a > < span class = "lineno" > 60< / span >   < span class = "comment" > /// dimension of input vectors< / span > < / div >
< div class = "line" > < a name = "l00061" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#acd88af01ad1d06560cecc30bc38aef49" > 61< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#acd88af01ad1d06560cecc30bc38aef49" > d< / a > ;< / div >
< div class = "line" > < a name = "l00062" > < / a > < span class = "lineno" > 62< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00063" > < / a > < span class = "lineno" > 63< / span >   < span class = "comment" > /// bytes per vector< / span > < / div >
< div class = "line" > < a name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a647b8774e4cd8ca5623a194f5c7f8a33" > 64< / a > < / span >   < span class = "comment" > < / span > < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a647b8774e4cd8ca5623a194f5c7f8a33" > code_size< / a > ;< / div >
< div class = "line" > < a name = "l00065" > < / a > < span class = "lineno" > 65< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00066" > < / a > < span class = "lineno" > 66< / span >   < span class = "comment" > /// trained values (including the range)< / span > < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1ScalarQuantizer.html#a64d1560806e6746d6cd1fee089c6a13f" > 67< / a > < / span >   < span class = "comment" > < / span > std::vector< float> < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a64d1560806e6746d6cd1fee089c6a13f" > trained< / a > ;< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00068" > < / a > < span class = "lineno" > 68< / span >   < / div >
< div class = "line" > < a name = "l00069" > < / a > < span class = "lineno" > 69< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html" > ScalarQuantizer< / a > (< span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#acd88af01ad1d06560cecc30bc38aef49" > d< / a > , < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > QuantizerType< / a > qtype);< / div >
< div class = "line" > < a name = "l00070" > < / a > < span class = "lineno" > 70< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html" > ScalarQuantizer< / a > ();< / div >
< div class = "line" > < a name = "l00071" > < / a > < span class = "lineno" > 71< / span >   < / div >
< div class = "line" > < a name = "l00072" > < / a > < span class = "lineno" > 72< / span >   < span class = "keywordtype" > void< / span > train (< span class = "keywordtype" > size_t< / span > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > *x);< / div >
< div class = "line" > < a name = "l00073" > < / a > < span class = "lineno" > 73< / span >   < / div >
< div class = "line" > < a name = "l00074" > < / a > < span class = "lineno" > 74< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00075" > < / a > < span class = "lineno" > 75< / span >   < span class = "comment" > /// same as compute_code for several vectors< / span > < / div >
< div class = "line" > < a name = "l00076" > < / a > < span class = "lineno" > 76< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a2bccf276565c4f80fed3d0c715c58816" > compute_codes< / a > (< span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00077" > < / a > < span class = "lineno" > 77< / span >   uint8_t * codes,< / div >
< div class = "line" > < a name = "l00078" > < / a > < span class = "lineno" > 78< / span >   < span class = "keywordtype" > size_t< / span > n) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00079" > < / a > < span class = "lineno" > 79< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00080" > < / a > < span class = "lineno" > 80< / span >   < span class = "comment" > /// decode a vector from a given code (or n vectors if third argument)< / span > < / div >
< div class = "line" > < a name = "l00081" > < / a > < span class = "lineno" > 81< / span >   < span class = "comment" > < / span > < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a7ab9e9158da1777d45e6f9bf73bfd489" > decode< / a > (< span class = "keyword" > const< / span > uint8_t *code, < span class = "keywordtype" > float< / span > *x, < span class = "keywordtype" > size_t< / span > n) < span class = "keyword" > const< / span > ;< / div >
< div class = "line" > < a name = "l00082" > < / a > < span class = "lineno" > 82< / span >   < / div >
< div class = "line" > < a name = "l00083" > < / a > < span class = "lineno" > 83< / span >   };< / div >
< div class = "line" > < a name = "l00084" > < / a > < span class = "lineno" > 84< / span >   < / div >
< div class = "line" > < a name = "l00085" > < / a > < span class = "lineno" > 85< / span >   < / div >
< div class = "line" > < a name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > 86< / a > < / span >   < span class = "keyword" > struct < / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > IndexIVFScalarQuantizer< / a > :< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > {< / div >
< div class = "line" > < a name = "l00087" > < / a > < span class = "lineno" > 87< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html" > ScalarQuantizer< / a > sq;< / div >
< div class = "line" > < a name = "l00088" > < / a > < span class = "lineno" > 88< / span >   < / div >
< div class = "line" > < a name = "l00089" > < / a > < span class = "lineno" > 89< / span >   < span class = "keywordtype" > size_t< / span > code_size;< / div >
< div class = "line" > < a name = "l00090" > < / a > < span class = "lineno" > 90< / span >   < span class = "comment" > < / span > < / div >
< div class = "line" > < a name = "l00091" > < / a > < span class = "lineno" > 91< / span >   < span class = "comment" > /// inverted list codes.< / span > < / div >
2017-07-18 17:43:35 +08:00
< div class = "line" > < a name = "l00092" > < / a > < span class = "lineno" > < a class = "line" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#aa4764c6d0d4175e01e3c92d3334bc996" > 92< / a > < / span >   < span class = "comment" > < / span > std::vector< std::vector< uint8_t> > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#aa4764c6d0d4175e01e3c92d3334bc996" > codes< / a > ;< / div >
2017-06-21 21:54:28 +08:00
< div class = "line" > < a name = "l00093" > < / a > < span class = "lineno" > 93< / span >   < / div >
< div class = "line" > < a name = "l00094" > < / a > < span class = "lineno" > 94< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > IndexIVFScalarQuantizer< / a > (< a class = "code" href = "structfaiss_1_1Index.html" > Index< / a > *< a class = "code" href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > quantizer< / a > , < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < span class = "keywordtype" > size_t< / span > < a class = "code" href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > nlist< / a > ,< / div >
< div class = "line" > < a name = "l00095" > < / a > < span class = "lineno" > 95< / span >   < a class = "code" href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > ScalarQuantizer::QuantizerType< / a > qtype,< / div >
< div class = "line" > < a name = "l00096" > < / a > < span class = "lineno" > 96< / span >   < a class = "code" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric = METRIC_L2);< / div >
< div class = "line" > < a name = "l00097" > < / a > < span class = "lineno" > 97< / span >   < / div >
< div class = "line" > < a name = "l00098" > < / a > < span class = "lineno" > 98< / span >   < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > IndexIVFScalarQuantizer< / a > ();< / div >
< div class = "line" > < a name = "l00099" > < / a > < span class = "lineno" > 99< / span >   < / div >
< div class = "line" > < a name = "l00100" > < / a > < span class = "lineno" > 100< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#ac05d7fbfed59c85d1cf8ae526d279744" > train_residual< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00101" > < / a > < span class = "lineno" > 101< / span >   < / div >
< div class = "line" > < a name = "l00102" > < / a > < span class = "lineno" > 102< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#afa95c17787b7e3dbed9309b440d4d748" > add_with_ids< / a > (< a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x, < span class = "keyword" > const< / span > < span class = "keywordtype" > long< / span > * xids) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00103" > < / a > < span class = "lineno" > 103< / span >   < / div >
< div class = "line" > < a name = "l00104" > < / a > < span class = "lineno" > 104< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#a0e1197a21c9291a2d570116f72fd2196" > search< / a > (< / div >
< div class = "line" > < a name = "l00105" > < / a > < span class = "lineno" > 105< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n,< / div >
< div class = "line" > < a name = "l00106" > < / a > < span class = "lineno" > 106< / span >   < span class = "keyword" > const< / span > < span class = "keywordtype" > float< / span > * x,< / div >
< div class = "line" > < a name = "l00107" > < / a > < span class = "lineno" > 107< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k,< / div >
< div class = "line" > < a name = "l00108" > < / a > < span class = "lineno" > 108< / span >   < span class = "keywordtype" > float< / span > * distances,< / div >
< div class = "line" > < a name = "l00109" > < / a > < span class = "lineno" > 109< / span >   < a class = "code" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > * labels) < span class = "keyword" > const override< / span > ;< / div >
< div class = "line" > < a name = "l00110" > < / a > < span class = "lineno" > 110< / span >   < / div >
< div class = "line" > < a name = "l00111" > < / a > < span class = "lineno" > 111< / span >   < span class = "keywordtype" > void< / span > < a class = "code" href = "structfaiss_1_1IndexIVFScalarQuantizer.html#afd54410889924a0cb544f1e3fd5babe9" > merge_from_residuals< / a > (< a class = "code" href = "structfaiss_1_1IndexIVF.html" > IndexIVF< / a > & other) < span class = "keyword" > override< / span > ;< / div >
< div class = "line" > < a name = "l00112" > < / a > < span class = "lineno" > 112< / span >   };< / div >
< div class = "line" > < a name = "l00113" > < / a > < span class = "lineno" > 113< / span >   < / div >
< div class = "line" > < a name = "l00114" > < / a > < span class = "lineno" > 114< / span >   < / div >
< div class = "line" > < a name = "l00115" > < / a > < span class = "lineno" > 115< / span >   }< / div >
< div class = "line" > < a name = "l00116" > < / a > < span class = "lineno" > 116< / span >   < / div >
< div class = "line" > < a name = "l00117" > < / a > < span class = "lineno" > 117< / span >   < / div >
< div class = "line" > < a name = "l00118" > < / a > < span class = "lineno" > 118< / span >   < span class = "preprocessor" > #endif< / span > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html" > faiss::IndexIVF< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00045" > IndexIVF.h:45< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a647b8774e4cd8ca5623a194f5c7f8a33" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a647b8774e4cd8ca5623a194f5c7f8a33" > faiss::ScalarQuantizer::code_size< / a > < / div > < div class = "ttdeci" > size_t code_size< / div > < div class = "ttdoc" > bytes per vector < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00064" > IndexIVFScalarQuantizer.h:64< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952e" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952e" > faiss::ScalarQuantizer::QuantizerType< / a > < / div > < div class = "ttdeci" > QuantizerType< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00036" > IndexIVFScalarQuantizer.h:36< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a64d1560806e6746d6cd1fee089c6a13f" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a64d1560806e6746d6cd1fee089c6a13f" > faiss::ScalarQuantizer::trained< / a > < / div > < div class = "ttdeci" > std::vector< float > trained< / div > < div class = "ttdoc" > trained values (including the range) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00067" > IndexIVFScalarQuantizer.h:67< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html_ac05d7fbfed59c85d1cf8ae526d279744" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html#ac05d7fbfed59c85d1cf8ae526d279744" > faiss::IndexIVFScalarQuantizer::train_residual< / a > < / div > < div class = "ttdeci" > void train_residual(idx_t n, const float *x) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00714" > IndexIVFScalarQuantizer.cpp:714< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html_a0e1197a21c9291a2d570116f72fd2196" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html#a0e1197a21c9291a2d570116f72fd2196" > faiss::IndexIVFScalarQuantizer::search< / a > < / div > < div class = "ttdeci" > void search(idx_t n, const float *x, idx_t k, float *distances, idx_t *labels) const override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00849" > IndexIVFScalarQuantizer.cpp:849< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html_afd54410889924a0cb544f1e3fd5babe9" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html#afd54410889924a0cb544f1e3fd5babe9" > faiss::IndexIVFScalarQuantizer::merge_from_residuals< / a > < / div > < div class = "ttdeci" > void merge_from_residuals(IndexIVF & other) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00882" > IndexIVFScalarQuantizer.cpp:882< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html" > faiss::ScalarQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00034" > IndexIVFScalarQuantizer.h:34< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a867ad0000e4ccfd40bbb1e01e7882d06af1df5f45cf110c5c235c413ca31797a7" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06af1df5f45cf110c5c235c413ca31797a7" > faiss::ScalarQuantizer::RS_optim< / a > < / div > < div class = "ttdoc" > alternate optimization of reconstruction error < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00054" > IndexIVFScalarQuantizer.h:54< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html_afa95c17787b7e3dbed9309b440d4d748" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html#afa95c17787b7e3dbed9309b440d4d748" > faiss::IndexIVFScalarQuantizer::add_with_ids< / a > < / div > < div class = "ttdeci" > void add_with_ids(idx_t n, const float *x, const long *xids) override< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00733" > IndexIVFScalarQuantizer.cpp:733< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a2a002388d2c081c2dbab8508dcefe73d" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > faiss::Index::d< / a > < / div > < div class = "ttdeci" > int d< / div > < div class = "ttdoc" > vector dimension < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00064" > Index.h:64< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_a4b40cc7a70dff41196a3b8769586667a" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#a4b40cc7a70dff41196a3b8769586667a" > faiss::IndexIVF::quantizer< / a > < / div > < div class = "ttdeci" > Index * quantizer< / div > < div class = "ttdoc" > quantizer that maps vectors to inverted lists < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00049" > IndexIVF.h:49< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1Index_html_a040c6aed1f224f3ea7bf58eebc0c31a4" > < div class = "ttname" > < a href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > faiss::Index::idx_t< / a > < / div > < div class = "ttdeci" > long idx_t< / div > < div class = "ttdoc" > all indices are this type < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00062" > Index.h:62< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952eae121980fe6d146604e3086889ebc5754" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae121980fe6d146604e3086889ebc5754" > faiss::ScalarQuantizer::QT_8bit_uniform< / a > < / div > < div class = "ttdoc" > same, shared range for all dimensions < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00039" > IndexIVFScalarQuantizer.h:39< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a867ad0000e4ccfd40bbb1e01e7882d06" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06" > faiss::ScalarQuantizer::RangeStat< / a > < / div > < div class = "ttdeci" > RangeStat< / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00050" > IndexIVFScalarQuantizer.h:50< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html" > faiss::IndexIVFScalarQuantizer< / a > < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00086" > IndexIVFScalarQuantizer.h:86< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952eae2f5d4b1376630eb0ea76600c95bd9a2" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952eae2f5d4b1376630eb0ea76600c95bd9a2" > faiss::ScalarQuantizer::QT_8bit< / a > < / div > < div class = "ttdoc" > 8 bits per component < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00037" > IndexIVFScalarQuantizer.h:37< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a867ad0000e4ccfd40bbb1e01e7882d06a895bd1d41b5b36a1537df9a515a416f7" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a895bd1d41b5b36a1537df9a515a416f7" > faiss::ScalarQuantizer::RS_quantiles< / a > < / div > < div class = "ttdoc" > [Q(rs), Q(1-rs)] < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00053" > IndexIVFScalarQuantizer.h:53< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a7ab9e9158da1777d45e6f9bf73bfd489" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a7ab9e9158da1777d45e6f9bf73bfd489" > faiss::ScalarQuantizer::decode< / a > < / div > < div class = "ttdeci" > void decode(const uint8_t *code, float *x, size_t n) const < / div > < div class = "ttdoc" > decode a vector from a given code (or n vectors if third argument) < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00685" > IndexIVFScalarQuantizer.cpp:685< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a2bccf276565c4f80fed3d0c715c58816" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a2bccf276565c4f80fed3d0c715c58816" > faiss::ScalarQuantizer::compute_codes< / a > < / div > < div class = "ttdeci" > void compute_codes(const float *x, uint8_t *codes, size_t n) const < / div > < div class = "ttdoc" > same as compute_code for several vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8cpp_source.html#l00674" > IndexIVFScalarQuantizer.cpp:674< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a1201dbd1611fa5c10782ade5d0e4952ea7cdbb1cb1c21f8f5866f28aa564b4c0b" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a1201dbd1611fa5c10782ade5d0e4952ea7cdbb1cb1c21f8f5866f28aa564b4c0b" > faiss::ScalarQuantizer::QT_4bit< / a > < / div > < div class = "ttdoc" > 4 bits per component < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00038" > IndexIVFScalarQuantizer.h:38< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a867ad0000e4ccfd40bbb1e01e7882d06a4c0f67a6585c03b1e4039a23825d7df8" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06a4c0f67a6585c03b1e4039a23825d7df8" > faiss::ScalarQuantizer::RS_minmax< / a > < / div > < div class = "ttdoc" > [min - rs*(max-min), max + rs*(max-min)] < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00051" > IndexIVFScalarQuantizer.h:51< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVF_html_ab38fde4c923abefc4185eb7450b5b95b" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVF.html#ab38fde4c923abefc4185eb7450b5b95b" > faiss::IndexIVF::nlist< / a > < / div > < div class = "ttdeci" > size_t nlist< / div > < div class = "ttdoc" > number of possible key values < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVF_8h_source.html#l00046" > IndexIVF.h:46< / a > < / div > < / div >
< 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#l00060" > Index.h:60< / a > < / div > < / div >
2017-07-18 17:43:35 +08:00
< div class = "ttc" id = "structfaiss_1_1IndexIVFScalarQuantizer_html_aa4764c6d0d4175e01e3c92d3334bc996" > < div class = "ttname" > < a href = "structfaiss_1_1IndexIVFScalarQuantizer.html#aa4764c6d0d4175e01e3c92d3334bc996" > faiss::IndexIVFScalarQuantizer::codes< / a > < / div > < div class = "ttdeci" > std::vector< std::vector< uint8_t > > codes< / div > < div class = "ttdoc" > inverted list codes. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00092" > IndexIVFScalarQuantizer.h:92< / a > < / div > < / div >
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_a867ad0000e4ccfd40bbb1e01e7882d06ad64366c7a0eea89fb52b177f251e687c" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#a867ad0000e4ccfd40bbb1e01e7882d06ad64366c7a0eea89fb52b177f251e687c" > faiss::ScalarQuantizer::RS_meanstd< / a > < / div > < div class = "ttdoc" > [mean - std * rs, mean + std * rs] < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00052" > IndexIVFScalarQuantizer.h:52< / a > < / div > < / div >
2017-06-21 21:54:28 +08:00
< div class = "ttc" id = "structfaiss_1_1ScalarQuantizer_html_acd88af01ad1d06560cecc30bc38aef49" > < div class = "ttname" > < a href = "structfaiss_1_1ScalarQuantizer.html#acd88af01ad1d06560cecc30bc38aef49" > faiss::ScalarQuantizer::d< / a > < / div > < div class = "ttdeci" > size_t d< / div > < div class = "ttdoc" > dimension of input vectors < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "IndexIVFScalarQuantizer_8h_source.html#l00061" > IndexIVFScalarQuantizer.h:61< / a > < / div > < / div >
< div class = "ttc" id = "namespacefaiss_html_afd12191c638da74760ff397cf319752c" > < div class = "ttname" > < a href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > faiss::MetricType< / a > < / div > < div class = "ttdeci" > MetricType< / div > < div class = "ttdoc" > Some algorithms support both an inner product vetsion and a L2 search version. < / div > < div class = "ttdef" > < b > Definition:< / b > < a href = "Index_8h_source.html#l00043" > Index.h:43< / a > < / div > < / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
<!-- start footer part -->
< hr class = "footer" / > < address class = "footer" > < small >
Generated by   < a href = "http://www.doxygen.org/index.html" >
< img class = "footer" src = "doxygen.png" alt = "doxygen" / >
< / a > 1.8.5
< / small > < / address >
< / body >
< / html >
