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<a href="#pub-methods">Public Member Functions</a> </div>
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<div class="title">ValidationOutputAccessor Class Reference<span class="mlabels"><span class="mlabel">final</span></span></div> </div>
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<p>Output Accessor used for network validation.
<a href="classarm__compute_1_1graph__utils_1_1_validation_output_accessor.xhtml#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_graph_utils_8h_source.xhtml">GraphUtils.h</a>&gt;</code></p>
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Collaboration diagram for ValidationOutputAccessor:</div>
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<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:ac3ae33bed176ca84786a8c910c3072c9"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1graph__utils_1_1_validation_output_accessor.xhtml#ac3ae33bed176ca84786a8c910c3072c9">ValidationOutputAccessor</a> (const std::string &amp;image_list, std::ostream &amp;output_stream=std::cout, unsigned int start=0, unsigned int end=0)</td></tr>
<tr class="memdesc:ac3ae33bed176ca84786a8c910c3072c9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default Constructor. <a href="#ac3ae33bed176ca84786a8c910c3072c9">More...</a><br /></td></tr>
<tr class="separator:ac3ae33bed176ca84786a8c910c3072c9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad20897c5c8bd47f5d4005989bead0e55"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1graph__utils_1_1_validation_output_accessor.xhtml#ad20897c5c8bd47f5d4005989bead0e55">reset</a> ()</td></tr>
<tr class="memdesc:ad20897c5c8bd47f5d4005989bead0e55"><td class="mdescLeft">&#160;</td><td class="mdescRight">Reset accessor state. <a href="#ad20897c5c8bd47f5d4005989bead0e55">More...</a><br /></td></tr>
<tr class="separator:ad20897c5c8bd47f5d4005989bead0e55"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab469d593b4bc92e1d1132a03de0aedca"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1graph__utils_1_1_validation_output_accessor.xhtml#ab469d593b4bc92e1d1132a03de0aedca">access_tensor</a> (<a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> &amp;tensor) override</td></tr>
<tr class="memdesc:ab469d593b4bc92e1d1132a03de0aedca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Interface to be implemented to access a given tensor. <a href="#ab469d593b4bc92e1d1132a03de0aedca">More...</a><br /></td></tr>
<tr class="separator:ab469d593b4bc92e1d1132a03de0aedca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classarm__compute_1_1graph_1_1_i_tensor_accessor"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classarm__compute_1_1graph_1_1_i_tensor_accessor')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classarm__compute_1_1graph_1_1_i_tensor_accessor.xhtml">ITensorAccessor</a></td></tr>
<tr class="memitem:a3c7f21c2eb00ab7ae1c18b1418c0d9c6 inherit pub_methods_classarm__compute_1_1graph_1_1_i_tensor_accessor"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classarm__compute_1_1graph_1_1_i_tensor_accessor.xhtml#a3c7f21c2eb00ab7ae1c18b1418c0d9c6">~ITensorAccessor</a> ()=default</td></tr>
<tr class="memdesc:a3c7f21c2eb00ab7ae1c18b1418c0d9c6 inherit pub_methods_classarm__compute_1_1graph_1_1_i_tensor_accessor"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default virtual destructor. <a href="classarm__compute_1_1graph_1_1_i_tensor_accessor.xhtml#a3c7f21c2eb00ab7ae1c18b1418c0d9c6">More...</a><br /></td></tr>
<tr class="separator:a3c7f21c2eb00ab7ae1c18b1418c0d9c6 inherit pub_methods_classarm__compute_1_1graph_1_1_i_tensor_accessor"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Output Accessor used for network validation. </p>
<p class="definition">Definition at line <a class="el" href="_graph_utils_8h_source.xhtml#l00257">257</a> of file <a class="el" href="_graph_utils_8h_source.xhtml">GraphUtils.h</a>.</p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="ac3ae33bed176ca84786a8c910c3072c9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac3ae33bed176ca84786a8c910c3072c9">&#9670;&nbsp;</a></span>ValidationOutputAccessor()</h2>
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<td class="memname"><a class="el" href="classarm__compute_1_1graph__utils_1_1_validation_output_accessor.xhtml">ValidationOutputAccessor</a> </td>
<td>(</td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>image_list</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::ostream &amp;&#160;</td>
<td class="paramname"><em>output_stream</em> = <code>std::cout</code>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int&#160;</td>
<td class="paramname"><em>start</em> = <code>0</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int&#160;</td>
<td class="paramname"><em>end</em> = <code>0</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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</div><div class="memdoc">
<p>Default Constructor. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">image_list</td><td>File containing all the images and labels results </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">output_stream</td><td>(Optional) Output stream (Defaults to the standard output stream) </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">start</td><td>(Optional) Start range </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">end</td><td>(Optional) End range</td></tr>
</table>
</dd>
</dl>
<dl class="section note"><dt>Note</dt><dd>Range is defined as [start, end] </dd></dl>
<p class="definition">Definition at line <a class="el" href="_graph_utils_8cpp_source.xhtml#l00318">318</a> of file <a class="el" href="_graph_utils_8cpp_source.xhtml">GraphUtils.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; : _results(), _output_stream(output_stream), _offset(0), _positive_samples_top1(0), _positive_samples_top5(0)</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160;{</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <a class="code" href="_error_8h.xhtml#ad39a3601153da57978bb5124ace35d36">ARM_COMPUTE_EXIT_ON_MSG</a>(start &gt; end, <span class="stringliteral">&quot;Invalid validation range!&quot;</span>);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160;</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; std::ifstream ifs;</div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="keywordflow">try</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; {</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; ifs.exceptions(std::ifstream::badbit);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; ifs.open(image_list, std::ios::in | std::ios::binary);</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160;</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; <span class="comment">// Parse image correctly classified labels</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counter = 0;</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="keywordflow">for</span>(std::string line; !std::getline(ifs, line).fail() &amp;&amp; counter &lt;= end; ++counter)</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="comment">// Add label if within range</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="keywordflow">if</span>(counter &gt;= start)</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; {</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; std::stringstream linestream(line);</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; std::string image_name;</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="keywordtype">int</span> result;</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160;</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; linestream &gt;&gt; image_name &gt;&gt; result;</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; _results.emplace_back(result);</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; }</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; }</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::ifstream::failure &amp;e)</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; {</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;Accessing %s: %s&quot;</span>, image_list.c_str(), e.what());</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; }</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
<div class="ttc" id="_error_8h_xhtml_ad39a3601153da57978bb5124ace35d36"><div class="ttname"><a href="_error_8h.xhtml#ad39a3601153da57978bb5124ace35d36">ARM_COMPUTE_EXIT_ON_MSG</a></div><div class="ttdeci">#define ARM_COMPUTE_EXIT_ON_MSG(cond,...)</div><div class="ttdoc">If the condition is true, the given message is printed and program exits.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00277">Error.h:277</a></div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>, and <a class="el" href="_error_8h_source.xhtml#l00277">ARM_COMPUTE_EXIT_ON_MSG</a>.</p>
</div>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="ab469d593b4bc92e1d1132a03de0aedca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab469d593b4bc92e1d1132a03de0aedca">&#9670;&nbsp;</a></span>access_tensor()</h2>
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<td class="memname">bool access_tensor </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classarm__compute_1_1_i_tensor.xhtml">ITensor</a> &amp;&#160;</td>
<td class="paramname"><em>tensor</em></td><td>)</td>
<td></td>
</tr>
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</td>
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<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
</tr>
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</div><div class="memdoc">
<p>Interface to be implemented to access a given tensor. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">tensor</td><td><a class="el" href="classarm__compute_1_1_tensor.xhtml" title="Basic implementation of the tensor interface.">Tensor</a> to be accessed</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>True if access is successful else false </dd></dl>
<p>Implements <a class="el" href="classarm__compute_1_1graph_1_1_i_tensor_accessor.xhtml#a497873c25847d7b4f60f37a1a3aa7665">ITensorAccessor</a>.</p>
<p class="definition">Definition at line <a class="el" href="_graph_utils_8cpp_source.xhtml#l00361">361</a> of file <a class="el" href="_graph_utils_8cpp_source.xhtml">GraphUtils.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160;{</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <span class="keywordtype">bool</span> ret = _offset &lt; _results.size();</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="keywordflow">if</span>(ret)</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; {</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; <span class="comment">// Get results</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; std::vector&lt;size_t&gt; tensor_results;</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="keywordflow">switch</span>(tensor.<a class="code" href="classarm__compute_1_1_i_tensor.xhtml#a0e95dc1e53c361348314873b168ae237">info</a>()-&gt;<a class="code" href="classarm__compute_1_1_i_tensor_info.xhtml#a7cfb31af63202568efef5214acfbf3ba">data_type</a>())</div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; {</div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924">DataType::QASYMM8</a>:</div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; tensor_results = access_predictions_tensor&lt;uint8_t&gt;(tensor);</div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="keywordflow">case</span> <a class="code" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">DataType::F32</a>:</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; tensor_results = access_predictions_tensor&lt;float&gt;(tensor);</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="keywordflow">break</span>;</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="keywordflow">default</span>:</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <a class="code" href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a>(<span class="stringliteral">&quot;NOT SUPPORTED!&quot;</span>);</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; }</div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160;</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="comment">// Check if tensor results are within top-n accuracy</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="keywordtype">size_t</span> correct_label = _results[_offset++];</div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160;</div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; aggregate_sample(tensor_results, _positive_samples_top1, 1, correct_label);</div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; aggregate_sample(tensor_results, _positive_samples_top5, 5, correct_label);</div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; }</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160;</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="comment">// Report top_n accuracy</span></div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="keywordflow">if</span>(_offset &gt;= _results.size())</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; report_top_n(1, _results.size(), _positive_samples_top1);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; report_top_n(5, _results.size(), _positive_samples_top5);</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; }</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160;</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="keywordflow">return</span> ret;</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160;}</div><div class="ttc" id="_error_8h_xhtml_a05b19c75afe9c24200a62b9724734bbd"><div class="ttname"><a href="_error_8h.xhtml#a05b19c75afe9c24200a62b9724734bbd">ARM_COMPUTE_ERROR</a></div><div class="ttdeci">#define ARM_COMPUTE_ERROR(...)</div><div class="ttdoc">Print the given message then throw an std::runtime_error.</div><div class="ttdef"><b>Definition:</b> <a href="_error_8h_source.xhtml#l00261">Error.h:261</a></div></div>
<div class="ttc" id="classarm__compute_1_1_i_tensor_info_xhtml_a7cfb31af63202568efef5214acfbf3ba"><div class="ttname"><a href="classarm__compute_1_1_i_tensor_info.xhtml#a7cfb31af63202568efef5214acfbf3ba">arm_compute::ITensorInfo::data_type</a></div><div class="ttdeci">virtual DataType data_type() const =0</div><div class="ttdoc">Data type used for each element of the tensor.</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda"><div class="ttname"><a href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">arm_compute::Format::F32</a></div><div class="ttdoc">1 channel, 1 F32 per channel</div></div>
<div class="ttc" id="namespacearm__compute_xhtml_ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924"><div class="ttname"><a href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924">arm_compute::DataType::QASYMM8</a></div><div class="ttdoc">quantized, asymmetric fixed-point 8-bit number</div></div>
<div class="ttc" id="classarm__compute_1_1_i_tensor_xhtml_a0e95dc1e53c361348314873b168ae237"><div class="ttname"><a href="classarm__compute_1_1_i_tensor.xhtml#a0e95dc1e53c361348314873b168ae237">arm_compute::ITensor::info</a></div><div class="ttdeci">virtual ITensorInfo * info() const =0</div><div class="ttdoc">Interface to be implemented by the child class to return the tensor's metadata.</div></div>
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<p class="reference">References <a class="el" href="_error_8h_source.xhtml#l00261">ARM_COMPUTE_ERROR</a>, <a class="el" href="classarm__compute_1_1_i_tensor_info.xhtml#a7cfb31af63202568efef5214acfbf3ba">ITensorInfo::data_type()</a>, <a class="el" href="namespacearm__compute.xhtml#ab4e88c89b3b7ea1735996cc4def22d58a44ad4ef5a76e6aa6fb3e3fa079a54fda">arm_compute::F32</a>, <a class="el" href="classarm__compute_1_1_i_tensor.xhtml#a0e95dc1e53c361348314873b168ae237">ITensor::info()</a>, and <a class="el" href="namespacearm__compute.xhtml#ad8ed01ff3ff33333d8e19db4d2818bb6af14462d71aa842202c3e4b272c7ec924">arm_compute::QASYMM8</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad20897c5c8bd47f5d4005989bead0e55">&#9670;&nbsp;</a></span>reset()</h2>
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<td class="memname">void reset </td>
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<p>Reset accessor state. </p>
<p class="definition">Definition at line <a class="el" href="_graph_utils_8cpp_source.xhtml#l00354">354</a> of file <a class="el" href="_graph_utils_8cpp_source.xhtml">GraphUtils.cpp</a>.</p>
<div class="fragment"><div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160;{</div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; _offset = 0;</div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; _positive_samples_top1 = 0;</div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; _positive_samples_top5 = 0;</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160;}</div></div><!-- fragment -->
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<hr/>The documentation for this class was generated from the following files:<ul>
<li>utils/<a class="el" href="_graph_utils_8h_source.xhtml">GraphUtils.h</a></li>
<li>utils/<a class="el" href="_graph_utils_8cpp_source.xhtml">GraphUtils.cpp</a></li>
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