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<li class="navelem"><a class="el" href="namespacefaiss.html">faiss</a></li><li class="navelem"><a class="el" href="structfaiss_1_1HeapArray.html">HeapArray</a></li> </ul>
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<a href="#pub-types">Public Types</a> |
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<a href="structfaiss_1_1HeapArray-members.html">List of all members</a> </div>
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<div class="title">faiss::HeapArray< C > Struct Template Reference</div> </div>
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<p><code>#include <<a class="el" href="Heap_8h_source.html">Heap.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
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Public Types</h2></td></tr>
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<tr class="memitem:a284762db4e64dd74d82984b6b457304a"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a284762db4e64dd74d82984b6b457304a"></a>
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typedef C::TI </td><td class="memItemRight" valign="bottom"><b>TI</b></td></tr>
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<tr class="separator:a284762db4e64dd74d82984b6b457304a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a46eb2eae9e79a0dd7ab720283619a5a9"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a46eb2eae9e79a0dd7ab720283619a5a9"></a>
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typedef C::T </td><td class="memItemRight" valign="bottom"><b>T</b></td></tr>
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<tr class="separator:a46eb2eae9e79a0dd7ab720283619a5a9"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:ae97911f6f85d152a5b45e459063b6858"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae97911f6f85d152a5b45e459063b6858"></a>
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T * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#ae97911f6f85d152a5b45e459063b6858">get_val</a> (size_t key)</td></tr>
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<tr class="memdesc:ae97911f6f85d152a5b45e459063b6858"><td class="mdescLeft"> </td><td class="mdescRight">Return the list of values for a heap. <br/></td></tr>
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<tr class="separator:ae97911f6f85d152a5b45e459063b6858"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af6aa57addaa1bc754d09a2a08be4df49"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6aa57addaa1bc754d09a2a08be4df49"></a>
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TI * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#af6aa57addaa1bc754d09a2a08be4df49">get_ids</a> (size_t key)</td></tr>
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<tr class="memdesc:af6aa57addaa1bc754d09a2a08be4df49"><td class="mdescLeft"> </td><td class="mdescRight">Correspponding identifiers. <br/></td></tr>
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<tr class="separator:af6aa57addaa1bc754d09a2a08be4df49"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a48afc496c73e982b8e10fde786628292"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a48afc496c73e982b8e10fde786628292"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#a48afc496c73e982b8e10fde786628292">heapify</a> ()</td></tr>
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<tr class="memdesc:a48afc496c73e982b8e10fde786628292"><td class="mdescLeft"> </td><td class="mdescRight">prepare all the heaps before adding <br/></td></tr>
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<tr class="separator:a48afc496c73e982b8e10fde786628292"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:abc3e17a9d369abc87353bccf07f7a4fc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#abc3e17a9d369abc87353bccf07f7a4fc">addn</a> (size_t nj, const T *vin, TI j0=0, size_t i0=0, long ni=-1)</td></tr>
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<tr class="separator:abc3e17a9d369abc87353bccf07f7a4fc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad3c61085b43dd54300ad97f1f9503330"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#ad3c61085b43dd54300ad97f1f9503330">addn_with_ids</a> (size_t nj, const T *vin, const TI *id_in=nullptr, long id_stride=0, size_t i0=0, long ni=-1)</td></tr>
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<tr class="separator:ad3c61085b43dd54300ad97f1f9503330"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3c686b3cc0594e6a284fa3a595bebdec"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3c686b3cc0594e6a284fa3a595bebdec"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#a3c686b3cc0594e6a284fa3a595bebdec">reorder</a> ()</td></tr>
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<tr class="memdesc:a3c686b3cc0594e6a284fa3a595bebdec"><td class="mdescLeft"> </td><td class="mdescRight">reorder all the heaps <br/></td></tr>
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<tr class="separator:a3c686b3cc0594e6a284fa3a595bebdec"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab1beefd73c023168c23d5443ee71e369"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#ab1beefd73c023168c23d5443ee71e369">per_line_extrema</a> (T *vals_out, TI *idx_out) const </td></tr>
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<tr class="separator:ab1beefd73c023168c23d5443ee71e369"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
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Public Attributes</h2></td></tr>
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<tr class="memitem:aad477a3907c3496159eaf4b375be4432"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aad477a3907c3496159eaf4b375be4432"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#aad477a3907c3496159eaf4b375be4432">nh</a></td></tr>
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<tr class="memdesc:aad477a3907c3496159eaf4b375be4432"><td class="mdescLeft"> </td><td class="mdescRight">number of heaps <br/></td></tr>
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<tr class="separator:aad477a3907c3496159eaf4b375be4432"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a1ee98429c766c77235f78c6d9aa32bb4"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1ee98429c766c77235f78c6d9aa32bb4"></a>
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size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#a1ee98429c766c77235f78c6d9aa32bb4">k</a></td></tr>
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<tr class="memdesc:a1ee98429c766c77235f78c6d9aa32bb4"><td class="mdescLeft"> </td><td class="mdescRight">allocated size per heap <br/></td></tr>
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<tr class="separator:a1ee98429c766c77235f78c6d9aa32bb4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a22332dd179ce70e379addeaa47246cc2"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a22332dd179ce70e379addeaa47246cc2"></a>
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TI * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#a22332dd179ce70e379addeaa47246cc2">ids</a></td></tr>
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<tr class="memdesc:a22332dd179ce70e379addeaa47246cc2"><td class="mdescLeft"> </td><td class="mdescRight">identifiers (size nh * k) <br/></td></tr>
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<tr class="separator:a22332dd179ce70e379addeaa47246cc2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4b131abb659e7d0ee315223270deac53"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4b131abb659e7d0ee315223270deac53"></a>
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T * </td><td class="memItemRight" valign="bottom"><a class="el" href="structfaiss_1_1HeapArray.html#a4b131abb659e7d0ee315223270deac53">val</a></td></tr>
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<tr class="memdesc:a4b131abb659e7d0ee315223270deac53"><td class="mdescLeft"> </td><td class="mdescRight">values (distances or similarities), size nh * k <br/></td></tr>
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<tr class="separator:a4b131abb659e7d0ee315223270deac53"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><h3>template<typename C><br/>
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struct faiss::HeapArray< C ></h3>
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<p>a template structure for a set of [min|max]-heaps it is tailored so that the actual data of the heaps can just live in compact arrays. </p>
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<p>Definition at line <a class="el" href="Heap_8h_source.html#l00349">349</a> of file <a class="el" href="Heap_8h_source.html">Heap.h</a>.</p>
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</div><h2 class="groupheader">Member Function Documentation</h2>
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<a class="anchor" id="abc3e17a9d369abc87353bccf07f7a4fc"></a>
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<div class="memitem">
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<div class="memproto">
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<div class="memtemplate">
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template<typename C > </div>
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<table class="memname">
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<tr>
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<td class="memname">void <a class="el" href="structfaiss_1_1HeapArray.html">faiss::HeapArray</a>< C >::addn </td>
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<td>(</td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>nj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const T * </td>
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<td class="paramname"><em>vin</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">TI </td>
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<td class="paramname"><em>j0</em> = <code>0</code>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>i0</em> = <code>0</code>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">long </td>
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<td class="paramname"><em>ni</em> = <code>-1</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>add nj elements to heaps i0:i0+ni, with sequential ids</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">nj</td><td>nb of elements to add to each heap </td></tr>
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<tr><td class="paramname">vin</td><td>elements to add, size ni * nj </td></tr>
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<tr><td class="paramname">j0</td><td>add this to the ids that are added </td></tr>
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<tr><td class="paramname">i0</td><td>first heap to update </td></tr>
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<tr><td class="paramname">ni</td><td>nb of elements to update (-1 = use nh) </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="Heap_8cpp_source.html#l00035">35</a> of file <a class="el" href="Heap_8cpp_source.html">Heap.cpp</a>.</p>
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</div>
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</div>
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<a class="anchor" id="ad3c61085b43dd54300ad97f1f9503330"></a>
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<div class="memitem">
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<div class="memproto">
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<div class="memtemplate">
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template<typename C > </div>
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<table class="memname">
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<tr>
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<td class="memname">void <a class="el" href="structfaiss_1_1HeapArray.html">faiss::HeapArray</a>< C >::addn_with_ids </td>
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<td>(</td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>nj</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const T * </td>
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<td class="paramname"><em>vin</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const TI * </td>
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<td class="paramname"><em>id_in</em> = <code>nullptr</code>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">long </td>
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<td class="paramname"><em>id_stride</em> = <code>0</code>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">size_t </td>
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<td class="paramname"><em>i0</em> = <code>0</code>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">long </td>
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<td class="paramname"><em>ni</em> = <code>-1</code> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>same as addn</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">id_in</td><td>ids of the elements to add, size ni * nj </td></tr>
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<tr><td class="paramname">id_stride</td><td>stride for id_in </td></tr>
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</table>
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="Heap_8cpp_source.html#l00057">57</a> of file <a class="el" href="Heap_8cpp_source.html">Heap.cpp</a>.</p>
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template<typename C > </div>
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<td class="memname">void <a class="el" href="structfaiss_1_1HeapArray.html">faiss::HeapArray</a>< C >::per_line_extrema </td>
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<td>(</td>
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<td class="paramtype">T * </td>
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<td class="paramname"><em>vals_out</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">TI * </td>
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<td class="paramname"><em>idx_out</em> </td>
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<td></td>
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<td>)</td>
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<td></td><td> const</td>
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<p>this is not really a heap function. It just finds the per-line extrema of each line of array D </p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">vals_out</td><td>extreme value of each line (size nh, or NULL) </td></tr>
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<tr><td class="paramname">idx_out</td><td>index of extreme value (size nh or NULL) </td></tr>
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</dd>
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<p>Definition at line <a class="el" href="Heap_8cpp_source.html#l00085">85</a> of file <a class="el" href="Heap_8cpp_source.html">Heap.cpp</a>.</p>
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<hr/>The documentation for this struct was generated from the following files:<ul>
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<li>/data/users/hoss/faiss/<a class="el" href="Heap_8h_source.html">Heap.h</a></li>
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<li>/data/users/hoss/faiss/<a class="el" href="Heap_8cpp_source.html">Heap.cpp</a></li>
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