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MindSpore Signal+ 使用手册
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<li class="toctree-l1"><a class="reference internal" href="../../quickstart/index.html">快速入门</a></li>
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<li class="toctree-l3"><a class="reference internal" href="flatten.html">Flatten</a></li>
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<li class="toctree-l3"><a class="reference internal" href="flattengrad.html">FlattenGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="loggrad.html">LogGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="logical_not.html">LogicalNot</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lpnormalization.html">LpNormalization</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lsh_projection.html">LshProjection</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lstm.html">LSTM</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lstmgrad.html">LstmGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lstmgraddata.html">LstmGradData</a></li>
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<li class="toctree-l3"><a class="reference internal" href="lstmgradweight.html">LstmGradWeight</a></li>
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<li class="toctree-l3"><a class="reference internal" href="maximum.html">Maximum</a></li>
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<li class="toctree-l3"><a class="reference internal" href="maxpoolgrad.html">MaxPoolGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="mfcc.html">MFCC</a></li>
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<li class="toctree-l3"><a class="reference internal" href="minimum.html">Minimum</a></li>
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<li class="toctree-l3"><a class="reference internal" href="minimumgrad.html">Minimumgrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="mul.html">MulFusion</a></li>
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<li class="toctree-l3"><a class="reference internal" href="mulgrad.html">Mulgrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="neg.html">Neg</a></li>
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<li class="toctree-l3"><a class="reference internal" href="neg_grad.html">NegGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="nllloss.html">NLLLoss</a></li>
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<li class="toctree-l3"><a class="reference internal" href="nlllossgrad.html">NLLLossGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="non_max_suppression.html">NonMaxSuppression</a></li>
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<li class="toctree-l3"><a class="reference internal" href="nonzero.html">NonZero</a></li>
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<li class="toctree-l3"><a class="reference internal" href="not_equal.html">NotEqual</a></li>
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<li class="toctree-l3"><a class="reference internal" href="power_grad.html">PowerGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="prelufusion.html">PReLUFusion</a></li>
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<li class="toctree-l3"><a class="reference internal" href="priorbox.html">Priorbox</a></li>
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<li class="toctree-l3"><a class="reference internal" href="quantdtypecast.html">QuantDTypeCast</a></li>
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<li class="toctree-l3"><a class="reference internal" href="ragged_range.html">RaggedRange</a></li>
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<li class="toctree-l3"><a class="reference internal" href="random_normal.html">RandomNormal</a></li>
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<li class="toctree-l3"><a class="reference internal" href="random_standard_normal.html">RandomStandardNormal</a></li>
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<li class="toctree-l3"><a class="reference internal" href="range.html">Range</a></li>
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<li class="toctree-l3"><a class="reference internal" href="rank.html">Rank</a></li>
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<li class="toctree-l3"><a class="reference internal" href="real_div.html">RealDiv</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reciprocal.html">Reciprocal</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reduce.html">Reduce</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reducescatter.html">ReduceScatter</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reshape.html">Reshape</a></li>
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<li class="toctree-l3"><a class="reference internal" href="resize.html">Resize</a></li>
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<li class="toctree-l3"><a class="reference internal" href="resizegrad.html">Resizegrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reverse_sequence.html">ReverseSequence</a></li>
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<li class="toctree-l3"><a class="reference internal" href="reversev2.html">ReverseV2</a></li>
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<li class="toctree-l3"><a class="reference internal" href="round.html">Round</a></li>
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<li class="toctree-l3"><a class="reference internal" href="rsqrt.html">Rsqrt</a></li>
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<li class="toctree-l3"><a class="reference internal" href="rsqrt_grad.html">RsqrtGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="scatter_elements.html">ScatterElements</a></li>
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<li class="toctree-l3"><a class="reference internal" href="scatter_nd.html">ScatterNd</a></li>
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<li class="toctree-l3"><a class="reference internal" href="scatter_nd_update.html">ScatterNdUpdate</a></li>
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<li class="toctree-l3"><a class="reference internal" href="select.html">Select</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sgd.html">SGD</a></li>
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<li class="toctree-l3"><a class="reference internal" href="shape.html">Shape</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sigmoidcrossentropywithlogits.html">SigmoidCrossEntropyWithLogits</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sigmoidcrossentropywithlogitsgrad.html">SigmoidCrossEntropyWithLogitsGrad</a></li>
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<li class="toctree-l3"><a class="reference internal" href="sin.html">Sin</a></li>
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<a href="../../_sources/functionlib/dsplib/custompredict.rst.txt" rel="nofollow"> 查看页面源码</a>
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<section id="custompredict">
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<h1>CustomPredict<a class="headerlink" href="#custompredict" title="此标题的永久链接"></a></h1>
|
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<p>根据置信度（weight）对候选标签（label）进行排序和筛选，以生成最终的预测结果。</p>
|
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<dl class="simple">
|
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<dt>输入：</dt><dd><ul class="simple">
|
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<li><p><strong>input</strong> - <code class="docutils literal notranslate"><span class="pre">LabelInfo</span></code> 结构体数组的地址。每个结构体包含一个整数 <code class="docutils literal notranslate"><span class="pre">label</span></code> 和一个浮点数 <code class="docutils literal notranslate"><span class="pre">weight</span></code>。</p></li>
|
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<li><p><strong>input_size</strong> - 输入数组中的元素数量。</p></li>
|
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<li><p><strong>output_num</strong> - 期望输出的预测结果数量（Top-K 中的 K）。</p></li>
|
||
<li><p><strong>weight_threshold</strong> - 一个浮点数阈值，用于过滤掉置信度过低的预测结果。</p></li>
|
||
<li><p><strong>core_mask</strong> - 核掩码 (仅共享存储版本需要)。</p></li>
|
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</ul>
|
||
</dd>
|
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<dt>输出：</dt><dd><ul class="simple">
|
||
<li><p><strong>output_label</strong> - 存储最终预测标签的整数数组地址。</p></li>
|
||
<li><p><strong>output_weight</strong> - 存储最终预测权重的浮点数数组地址。</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt>支持平台：</dt><dd><p><code class="docutils literal notranslate"><span class="pre">FT78NE</span></code>
|
||
<code class="docutils literal notranslate"><span class="pre">MT7004</span></code></p>
|
||
</dd>
|
||
</dl>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">备注</p>
|
||
<ul class="simple">
|
||
<li><p>该算子不区分数据类型，但其处理的 <code class="docutils literal notranslate"><span class="pre">LabelInfo</span></code> 结构体具有固定的成员类型（int, float）。</p></li>
|
||
</ul>
|
||
</div>
|
||
<p><strong>共享存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.custompredict_s">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">custompredict_s</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">LabelInfo</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">input_size</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output_label</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output_weight</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">output_num</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">weight_threshold</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">core_mask</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.custompredict_s" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<p><strong>C调用示例：</strong></p>
|
||
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span>
|
||
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">"custompredict.h"</span>
|
||
<span class="linenos"> 3</span>
|
||
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="n">LabelInfo</span><span class="w"> </span><span class="o">*</span><span class="n">input</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">LabelInfo</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xA0000000</span><span class="p">;</span><span class="w"> </span><span class="c1">// input in DDR</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="n">output_label</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xB0000000</span><span class="p">;</span><span class="w"> </span><span class="c1">// output_label in DDR</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_weight</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0xC0000000</span><span class="p">;</span><span class="w"> </span><span class="c1">// output_weight in DDR</span>
|
||
<span class="linenos"> 8</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">100</span><span class="p">;</span><span class="w"> </span><span class="c1">// 假设值</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">10</span><span class="p">;</span>
|
||
<span class="linenos">11</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">weight_threshold</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.5f</span><span class="p">;</span>
|
||
<span class="linenos">12</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">core_mask</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mh">0xff</span><span class="p">;</span>
|
||
<span class="linenos">13</span>
|
||
<span class="hll"><span class="linenos">14</span><span class="w"> </span><span class="n">custompredict_s</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">input_size</span><span class="p">,</span><span class="w"> </span><span class="n">output_label</span><span class="p">,</span><span class="w"> </span><span class="n">output_weight</span><span class="p">,</span><span class="w"> </span><span class="n">output_num</span><span class="p">,</span><span class="w"> </span><span class="n">weight_threshold</span><span class="p">,</span><span class="w"> </span><span class="n">core_mask</span><span class="p">);</span>
|
||
</span><span class="linenos">15</span>
|
||
<span class="linenos">16</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">17</span><span class="p">}</span>
|
||
</pre></div>
|
||
</div>
|
||
<p><strong>私有存储版本:</strong></p>
|
||
<dl class="c function">
|
||
<dt class="sig sig-object c" id="c.custompredict_p">
|
||
<span class="kt"><span class="pre">void</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">custompredict_p</span></span></span><span class="sig-paren">(</span><span class="n"><span class="pre">LabelInfo</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">input</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">input_size</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output_label</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="p"><span class="pre">*</span></span><span class="n"><span class="pre">output_weight</span></span>, <span class="kt"><span class="pre">int</span></span><span class="w"> </span><span class="n"><span class="pre">output_num</span></span>, <span class="kt"><span class="pre">float</span></span><span class="w"> </span><span class="n"><span class="pre">weight_threshold</span></span><span class="sig-paren">)</span><a class="headerlink" href="#c.custompredict_p" title="永久链接至目标"></a><br /></dt>
|
||
<dd></dd></dl>
|
||
|
||
<p><strong>C调用示例：</strong></p>
|
||
<div class="highlight-c notranslate"><div class="highlight"><pre><span></span><span class="linenos"> 1</span><span class="cp">#include</span><span class="w"> </span><span class="cpf"><stdio.h></span>
|
||
<span class="linenos"> 2</span><span class="cp">#include</span><span class="w"> </span><span class="cpf">"custompredict.h"</span>
|
||
<span class="linenos"> 3</span>
|
||
<span class="linenos"> 4</span><span class="kt">int</span><span class="w"> </span><span class="nf">main</span><span class="p">()</span><span class="w"> </span><span class="p">{</span>
|
||
<span class="linenos"> 5</span><span class="w"> </span><span class="n">LabelInfo</span><span class="w"> </span><span class="o">*</span><span class="n">input</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="n">LabelInfo</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10000000</span><span class="p">;</span><span class="w"> </span><span class="c1">// input in L2</span>
|
||
<span class="linenos"> 6</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="n">output_label</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">int</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10001000</span><span class="p">;</span><span class="w"> </span><span class="c1">// output_label in L2</span>
|
||
<span class="linenos"> 7</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="n">output_weight</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="kt">float</span><span class="w"> </span><span class="o">*</span><span class="p">)</span><span class="mh">0x10002000</span><span class="p">;</span><span class="w"> </span><span class="c1">// output_weight in L2</span>
|
||
<span class="linenos"> 8</span>
|
||
<span class="linenos"> 9</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">input_size</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">100</span><span class="p">;</span><span class="w"> </span><span class="c1">// 假设值</span>
|
||
<span class="linenos">10</span><span class="w"> </span><span class="kt">int</span><span class="w"> </span><span class="n">output_num</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mi">10</span><span class="p">;</span>
|
||
<span class="linenos">11</span><span class="w"> </span><span class="kt">float</span><span class="w"> </span><span class="n">weight_threshold</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="mf">0.5f</span><span class="p">;</span>
|
||
<span class="linenos">12</span>
|
||
<span class="hll"><span class="linenos">13</span><span class="w"> </span><span class="n">custompredict_p</span><span class="p">(</span><span class="n">input</span><span class="p">,</span><span class="w"> </span><span class="n">input_size</span><span class="p">,</span><span class="w"> </span><span class="n">output_label</span><span class="p">,</span><span class="w"> </span><span class="n">output_weight</span><span class="p">,</span><span class="w"> </span><span class="n">output_num</span><span class="p">,</span><span class="w"> </span><span class="n">weight_threshold</span><span class="p">);</span>
|
||
</span><span class="linenos">14</span>
|
||
<span class="linenos">15</span><span class="w"> </span><span class="k">return</span><span class="w"> </span><span class="mi">0</span><span class="p">;</span>
|
||
<span class="linenos">16</span><span class="p">}</span>
|
||
</pre></div>
|
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</div>
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</section>
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