2017-02-23 06:26:44 +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: faiss::IndexFlat Struct Reference< / 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 class = "current" > < a href = "annotated.html" > < span > Classes< / span > < / a > < / li >
< li > < 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 = "annotated.html" > < span > Class  List< / span > < / a > < / li >
< li > < a href = "classes.html" > < span > Class  Index< / span > < / a > < / li >
< li > < a href = "hierarchy.html" > < span > Class  Hierarchy< / span > < / a > < / li >
< li > < a href = "functions.html" > < span > Class  Members< / span > < / a > < / li >
< / ul >
< / div >
<!-- 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 id = "nav-path" class = "navpath" >
< ul >
< li class = "navelem" > < a class = "el" href = "namespacefaiss.html" > faiss< / a > < / li > < li class = "navelem" > < a class = "el" href = "structfaiss_1_1IndexFlat.html" > IndexFlat< / a > < / li > < / ul >
< / div >
< / div > <!-- top -->
< div class = "header" >
< div class = "summary" >
< a href = "#pub-methods" > Public Member Functions< / a > |
< a href = "#pub-attribs" > Public Attributes< / a > |
< a href = "structfaiss_1_1IndexFlat-members.html" > List of all members< / a > < / div >
< div class = "headertitle" >
< div class = "title" > faiss::IndexFlat Struct Reference< / div > < / div >
< / div > <!-- header -->
< div class = "contents" >
< p > < code > #include < < a class = "el" href = "IndexFlat_8h_source.html" > IndexFlat.h< / a > > < / code > < / p >
< div class = "dynheader" >
Inheritance diagram for faiss::IndexFlat:< / div >
< div class = "dyncontent" >
< div class = "center" >
< img src = "structfaiss_1_1IndexFlat.png" usemap = "#faiss::IndexFlat_map" alt = "" / >
< map id = "faiss::IndexFlat_map" name = "faiss::IndexFlat_map" >
< area href = "structfaiss_1_1Index.html" alt = "faiss::Index" shape = "rect" coords = "86,0,248,24" / >
< area href = "structfaiss_1_1IndexFlatIP.html" alt = "faiss::IndexFlatIP" shape = "rect" coords = "0,112,162,136" / >
< area href = "structfaiss_1_1IndexFlatL2.html" alt = "faiss::IndexFlatL2" shape = "rect" coords = "172,112,334,136" / >
< area href = "structfaiss_1_1IndexFlat1D.html" title = "optimized version for 1D "vectors" " alt = "faiss::IndexFlat1D" shape = "rect" coords = "86,168,248,192" / >
< area href = "structfaiss_1_1IndexFlatL2BaseShift.html" alt = "faiss::IndexFlatL2BaseShift" shape = "rect" coords = "258,168,420,192" / >
< / map >
< / div > < / div >
< table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "pub-methods" > < / a >
Public Member Functions< / h2 > < / td > < / tr >
< tr class = "memitem:a45d57e9224f0e6903011bee19de4461c" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a45d57e9224f0e6903011bee19de4461c" > < / a >
  < / td > < td class = "memItemRight" valign = "bottom" > < b > IndexFlat< / b > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < a class = "el" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > , < a class = "el" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric=METRIC_INNER_PRODUCT)< / td > < / tr >
< tr class = "separator:a45d57e9224f0e6903011bee19de4461c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:acad3cdfa82123b37cef7106fcd3183c4" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "acad3cdfa82123b37cef7106fcd3183c4" > < / a >
virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < b > set_typename< / b > () override< / td > < / tr >
< tr class = "separator:acad3cdfa82123b37cef7106fcd3183c4" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a406f028c702edec72477eacc5733f59c" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#a406f028c702edec72477eacc5733f59c" > add< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x) override< / td > < / tr >
< tr class = "separator:a406f028c702edec72477eacc5733f59c" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ab63dc34ef5d33f98f94aa0ade7c7324f" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "ab63dc34ef5d33f98f94aa0ade7c7324f" > < / a >
virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#ab63dc34ef5d33f98f94aa0ade7c7324f" > reset< / a > () override< / td > < / tr >
< tr class = "memdesc:ab63dc34ef5d33f98f94aa0ade7c7324f" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > removes all elements from the database. < br / > < / td > < / tr >
< tr class = "separator:ab63dc34ef5d33f98f94aa0ade7c7324f" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a85510d70f4675197df9988651e4692c9" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#a85510d70f4675197df9988651e4692c9" > search< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k, float *distances, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels) const override< / td > < / tr >
< tr class = "separator:a85510d70f4675197df9988651e4692c9" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ac56b7ed90ab65fab9c586a1e56006d12" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#ac56b7ed90ab65fab9c586a1e56006d12" > range_search< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x, float radius, < a class = "el" href = "structfaiss_1_1RangeSearchResult.html" > RangeSearchResult< / a > *result) const override< / td > < / tr >
< tr class = "separator:ac56b7ed90ab65fab9c586a1e56006d12" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:ae4b33315752b62cff1626f9f967167b1" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#ae4b33315752b62cff1626f9f967167b1" > reconstruct< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > key, float *recons) const override< / td > < / tr >
< tr class = "separator:ae4b33315752b62cff1626f9f967167b1" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a14b51786e7f98be1954eef35d02813a7" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#a14b51786e7f98be1954eef35d02813a7" > compute_distance_subset< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k, float *distances, const < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels) const < / td > < / tr >
< tr class = "separator:a14b51786e7f98be1954eef35d02813a7" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "inherit_header pub_methods_structfaiss_1_1Index" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_methods_structfaiss_1_1Index')" > < img src = "closed.png" alt = "-" / >   Public Member Functions inherited from < a class = "el" href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / td > < / tr >
< tr class = "memitem:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a18475cb29370bd6ac3c9f41d39f2e8ec" > < / a >
  < / td > < td class = "memItemRight" valign = "bottom" > < b > Index< / b > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < a class = "el" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > =0, < a class = "el" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a > metric=METRIC_INNER_PRODUCT)< / td > < / tr >
< tr class = "separator:a18475cb29370bd6ac3c9f41d39f2e8ec inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a8f67dfd73993e192dc78f2c93d9d9532 inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a8f67dfd73993e192dc78f2c93d9d9532" > train< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x)< / td > < / tr >
< tr class = "separator:a8f67dfd73993e192dc78f2c93d9d9532 inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#aa6931dfe054b33b02c842ff75f7a0c7f" > add_with_ids< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x, const long *xids)< / td > < / tr >
< tr class = "separator:aa6931dfe054b33b02c842ff75f7a0c7f inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c" > assign< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > n, const float *x, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *labels, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > k=1)< / td > < / tr >
< tr class = "separator:a8bc5d8d1cd0dd7b34b3c98a9f76b4a9c inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > virtual long  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#af8bf7bd97aeed8ad5fc48b242379a68a" > remove_ids< / a > (const < a class = "el" href = "structfaiss_1_1IDSelector.html" > IDSelector< / a > & sel)< / td > < / tr >
< tr class = "separator:af8bf7bd97aeed8ad5fc48b242379a68a inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > virtual void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a1936604fffe16b0ef2a3879305950738" > reconstruct_n< / a > (< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > i0, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > ni, float *recons) const < / td > < / tr >
< tr class = "separator:a1936604fffe16b0ef2a3879305950738 inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#aaae77608bbda70b1098897e9167a82f9" > compute_residual< / a > (const float *x, float *residual, < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > key) const < / td > < / tr >
< tr class = "separator:aaae77608bbda70b1098897e9167a82f9 inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > void  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a373c30e3d87d1d4e616f450d87152b1a" > display< / a > () const < / td > < / tr >
< tr class = "separator:a373c30e3d87d1d4e616f450d87152b1a inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:aae095c6209a16347262408b3346193a3 inherit pub_methods_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > virtual std::string  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#aae095c6209a16347262408b3346193a3" > get_typename< / a > () const < / td > < / tr >
< tr class = "separator:aae095c6209a16347262408b3346193a3 inherit pub_methods_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "pub-attribs" > < / a >
Public Attributes< / h2 > < / td > < / tr >
< tr class = "memitem:a9001de47890fe5d2eced9551d3613d47" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a9001de47890fe5d2eced9551d3613d47" > < / a >
std::vector< float >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1IndexFlat.html#a9001de47890fe5d2eced9551d3613d47" > xb< / a > < / td > < / tr >
< tr class = "memdesc:a9001de47890fe5d2eced9551d3613d47" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > database vectors, size ntotal * d < br / > < / td > < / tr >
< tr class = "separator:a9001de47890fe5d2eced9551d3613d47" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "inherit_header pub_attribs_structfaiss_1_1Index" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_attribs_structfaiss_1_1Index')" > < img src = "closed.png" alt = "-" / >   Public Attributes inherited from < a class = "el" href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / td > < / tr >
< tr class = "memitem:a294b7b4efde95636baed8a6691f49018 inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a294b7b4efde95636baed8a6691f49018" > < / a >
std::string  < / td > < td class = "memItemRight" valign = "bottom" > < b > index_typename< / b > < / td > < / tr >
< tr class = "separator:a294b7b4efde95636baed8a6691f49018 inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a2a002388d2c081c2dbab8508dcefe73d" > < / a >
int  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a2a002388d2c081c2dbab8508dcefe73d" > d< / a > < / td > < / tr >
< tr class = "memdesc:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > vector dimension < br / > < / td > < / tr >
< tr class = "separator:a2a002388d2c081c2dbab8508dcefe73d inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a6970683faa021b7a6f1a0865c0d4eccd" > < / a >
< a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a6970683faa021b7a6f1a0865c0d4eccd" > ntotal< / a > < / td > < / tr >
< tr class = "memdesc:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > total nb of indexed vectors < br / > < / td > < / tr >
< tr class = "separator:a6970683faa021b7a6f1a0865c0d4eccd inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a5590d847c5c2b958affd2a05e58a6f23" > < / a >
bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a5590d847c5c2b958affd2a05e58a6f23" > verbose< / a > < / td > < / tr >
< tr class = "memdesc:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > verbosity level < br / > < / td > < / tr >
< tr class = "separator:a5590d847c5c2b958affd2a05e58a6f23 inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a6e92732617c4dbe364e7678dd8773a7f" > < / a >
bool  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a6e92732617c4dbe364e7678dd8773a7f" > is_trained< / a > < / td > < / tr >
< tr class = "memdesc:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > set if the < a class = "el" href = "structfaiss_1_1Index.html" > Index< / a > does not require training, or if training is done already < br / > < / td > < / tr >
< tr class = "separator:a6e92732617c4dbe364e7678dd8773a7f inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< tr class = "memitem:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a8e18f641854b2bde83ecff0a2f9a6f4e" > < / a >
< a class = "el" href = "namespacefaiss.html#afd12191c638da74760ff397cf319752c" > MetricType< / a >   < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a8e18f641854b2bde83ecff0a2f9a6f4e" > metric_type< / a > < / td > < / tr >
< tr class = "memdesc:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > type of metric this index uses for search < br / > < / td > < / tr >
< tr class = "separator:a8e18f641854b2bde83ecff0a2f9a6f4e inherit pub_attribs_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table > < table class = "memberdecls" >
< tr class = "heading" > < td colspan = "2" > < h2 class = "groupheader" > < a name = "inherited" > < / a >
Additional Inherited Members< / h2 > < / td > < / tr >
< tr class = "inherit_header pub_types_structfaiss_1_1Index" > < td colspan = "2" onclick = "javascript:toggleInherit('pub_types_structfaiss_1_1Index')" > < img src = "closed.png" alt = "-" / >   Public Types inherited from < a class = "el" href = "structfaiss_1_1Index.html" > faiss::Index< / a > < / td > < / tr >
< tr class = "memitem:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index" > < td class = "memItemLeft" align = "right" valign = "top" > < a class = "anchor" id = "a040c6aed1f224f3ea7bf58eebc0c31a4" > < / a >
typedef long  < / td > < td class = "memItemRight" valign = "bottom" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > < / td > < / tr >
< tr class = "memdesc:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index" > < td class = "mdescLeft" >   < / td > < td class = "mdescRight" > all indices are this type < br / > < / td > < / tr >
< tr class = "separator:a040c6aed1f224f3ea7bf58eebc0c31a4 inherit pub_types_structfaiss_1_1Index" > < td class = "memSeparator" colspan = "2" >   < / td > < / tr >
< / table >
< a name = "details" id = "details" > < / a > < h2 class = "groupheader" > Detailed Description< / h2 >
< div class = "textblock" > < p > < a class = "el" href = "structfaiss_1_1Index.html" > Index< / a > that stores the full vectors and performs exhaustive search < / p >
< p > Definition at line < a class = "el" href = "IndexFlat_8h_source.html#l00024" > 24< / a > of file < a class = "el" href = "IndexFlat_8h_source.html" > IndexFlat.h< / a > .< / p >
< / div > < h2 class = "groupheader" > Member Function Documentation< / h2 >
< a class = "anchor" id = "a406f028c702edec72477eacc5733f59c" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
< tr >
< td class = "memname" > void faiss::IndexFlat::add < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > n< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const float *  < / td >
< td class = "paramname" > < em > x< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< 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 > Add n vectors of dimension d to the index.< / p >
< p > Vectors are implicitly assigned labels ntotal .. ntotal + n - 1 This function slices the input vectors in chuncks smaller than blocksize_add and calls add_core. < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > x< / td > < td > input matrix, size n * d < / td > < / tr >
< / table >
< / dd >
< / dl >
< p > Implements < a class = "el" href = "structfaiss_1_1Index.html#a1b5e9ac70adbce0897dd6c8276ad96f2" > faiss::Index< / a > .< / p >
< p > Reimplemented in < a class = "el" href = "structfaiss_1_1IndexFlat1D.html#a5dc39280262484ecadda5e11162c2457" > faiss::IndexFlat1D< / a > .< / p >
< p > Definition at line < a class = "el" href = "IndexFlat_8cpp_source.html#l00041" > 41< / a > of file < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > .< / p >
< / div >
< / div >
< a class = "anchor" id = "a14b51786e7f98be1954eef35d02813a7" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > void faiss::IndexFlat::compute_distance_subset < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > n< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const float *  < / td >
< td class = "paramname" > < em > x< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > k< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > float *  < / td >
< td class = "paramname" > < em > distances< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *  < / td >
< td class = "paramname" > < em > labels< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > const< / td >
< / tr >
< / table >
< / div > < div class = "memdoc" >
< p > compute distance with a subset of vectors< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > x< / td > < td > query vectors, size n * d < / td > < / tr >
< tr > < td class = "paramname" > labels< / td > < td > indices of the vectors that should be compared for each query vector, size n * k < / td > < / tr >
< tr > < td class = "paramname" > distances< / td > < td > corresponding output distances, size n * k < / td > < / tr >
< / table >
< / dd >
< / dl >
< p > Definition at line < a class = "el" href = "IndexFlat_8cpp_source.html#l00085" > 85< / a > of file < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > .< / p >
< / div >
< / div >
< a class = "anchor" id = "ac56b7ed90ab65fab9c586a1e56006d12" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
< tr >
< td class = "memname" > void faiss::IndexFlat::range_search < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > n< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const float *  < / td >
< td class = "paramname" > < em > x< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > float  < / td >
< td class = "paramname" > < em > radius< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1RangeSearchResult.html" > RangeSearchResult< / a > *  < / td >
< td class = "paramname" > < em > result< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > const< / 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 > query n vectors of dimension d to the index.< / p >
< p > return all vectors with distance < radius. Note that many indexes do not implement the range_search (only the k-NN search is mandatory).< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > x< / td > < td > input vectors to search, size n * d < / td > < / tr >
< tr > < td class = "paramname" > radius< / td > < td > search radius < / td > < / tr >
< tr > < td class = "paramname" > result< / td > < td > result table < / td > < / tr >
< / table >
< / dd >
< / dl >
< p > Reimplemented from < a class = "el" href = "structfaiss_1_1Index.html#a236897832a58dbb205e2d662c1929fb1" > faiss::Index< / a > .< / p >
< p > Definition at line < a class = "el" href = "IndexFlat_8cpp_source.html#l00070" > 70< / a > of file < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > .< / p >
< / div >
< / div >
< a class = "anchor" id = "ae4b33315752b62cff1626f9f967167b1" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
< tr >
< td class = "memname" > void faiss::IndexFlat::reconstruct < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > key< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > float *  < / td >
< td class = "paramname" > < em > recons< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > const< / 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 > Reconstruct a stored vector (or an approximation if lossy coding)< / p >
< p > this function may not be defined for some indexes < / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > key< / td > < td > id of the vector to reconstruct < / td > < / tr >
< tr > < td class = "paramname" > recons< / td > < td > reconstucted vector (size d) < / td > < / tr >
< / table >
< / dd >
< / dl >
< p > Reimplemented from < a class = "el" href = "structfaiss_1_1Index.html#aaef6f4132b1f390121ebb11058baf190" > faiss::Index< / a > .< / p >
< p > Definition at line < a class = "el" href = "IndexFlat_8cpp_source.html#l00109" > 109< / a > of file < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > .< / p >
< / div >
< / div >
< a class = "anchor" id = "a85510d70f4675197df9988651e4692c9" > < / a >
< div class = "memitem" >
< div class = "memproto" >
< table class = "mlabels" >
< tr >
< td class = "mlabels-left" >
< table class = "memname" >
< tr >
< td class = "memname" > void faiss::IndexFlat::search < / td >
< td > (< / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > n< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > const float *  < / td >
< td class = "paramname" > < em > x< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a >   < / td >
< td class = "paramname" > < em > k< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > float *  < / td >
< td class = "paramname" > < em > distances< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > < a class = "el" href = "structfaiss_1_1Index.html#a040c6aed1f224f3ea7bf58eebc0c31a4" > idx_t< / a > *  < / td >
< td class = "paramname" > < em > labels< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > const< / 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 > query n vectors of dimension d to the index.< / p >
< p > return at most k vectors. If there are not enough results for a query, the result array is padded with -1s.< / p >
< dl class = "params" > < dt > Parameters< / dt > < dd >
< table class = "params" >
< tr > < td class = "paramname" > x< / td > < td > input vectors to search, size n * d < / td > < / tr >
< tr > < td class = "paramname" > labels< / td > < td > output labels of the NNs, size n*k < / td > < / tr >
< tr > < td class = "paramname" > distances< / td > < td > output pairwise distances, size n*k < / td > < / tr >
< / table >
< / dd >
< / dl >
< p > Implements < a class = "el" href = "structfaiss_1_1Index.html#aced51b1ebc33c47ab3ae15ea906559a7" > faiss::Index< / a > .< / p >
< p > Reimplemented in < a class = "el" href = "structfaiss_1_1IndexFlat1D.html#a65736f2900865cd156faba4fcd260d05" > faiss::IndexFlat1D< / a > , and < a class = "el" href = "structfaiss_1_1IndexFlatL2BaseShift.html#a16e9bf1aec9d18b3ebbe78fea6bfecc0" > faiss::IndexFlatL2BaseShift< / a > .< / p >
< p > Definition at line < a class = "el" href = "IndexFlat_8cpp_source.html#l00054" > 54< / a > of file < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > .< / p >
< / div >
< / div >
< hr / > The documentation for this struct was generated from the following files:< ul >
2017-03-01 17:50:47 +08:00
< li > < a class = "el" href = "IndexFlat_8h_source.html" > IndexFlat.h< / a > < / li >
< li > < a class = "el" href = "IndexFlat_8cpp_source.html" > IndexFlat.cpp< / a > < / li >
2017-02-23 06:26:44 +08:00
< / ul >
< / 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 >
