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<a href="metric_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * &quot;License&quot;); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * with the License. You may obtain a copy of the License at</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * Unless required by applicable law or agreed to in writing,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> * software distributed under the License is distributed on an</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * KIND, either express or implied. See the License for the</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#ifndef MXNET_CPP_METRIC_H_</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#define MXNET_CPP_METRIC_H_</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#include &lt;cmath&gt;</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="cpp-package_2include_2mxnet-cpp_2ndarray_8h.html">mxnet-cpp/ndarray.h</a>&quot;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &quot;dmlc/logging.h&quot;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keyword">namespace </span>cpp {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html"> 39</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#a1b5a769b85867b135d7493175f81b96d"> 41</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a1b5a769b85867b135d7493175f81b96d">EvalMetric</a>(<span class="keyword">const</span> std::string&amp; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aa6c5fffe252895a404f0d1016897805a">name</a>, <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8">num</a> = 0)</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; : name(name), <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8">num</a>(<a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8">num</a>) {}</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#ade7cc55a3dd2d94e7b468ba16751ef62">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds) = 0;</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#af7ef1b2b082f547e78af7a20b0bfb463"> 44</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#af7ef1b2b082f547e78af7a20b0bfb463">Reset</a>() {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a> = 0;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> = 0.0f;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; }</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec48aecbf724835808fce89db818507c"> 48</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec48aecbf724835808fce89db818507c">Get</a>() { <span class="keywordflow">return</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> / <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a>; }</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a594eda0005a14a2294ba00f42d6315ee">GetNameValue</a>();</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">protected</span>:</div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#aa6c5fffe252895a404f0d1016897805a"> 52</a></span>&#160; std::string <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aa6c5fffe252895a404f0d1016897805a">name</a>;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8"> 53</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8">num</a>;</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0"> 54</a></span>&#160; <span class="keywordtype">float</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> = 0.0f;</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01"> 55</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a> = 0;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065"> 57</a></span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">CheckLabelShapes</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <span class="keywordtype">bool</span> strict = <span class="keyword">false</span>) {</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">if</span> (strict) {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; CHECK_EQ(<a class="code" href="structmxnet_1_1cpp_1_1Shape.html">Shape</a>(labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>()), <a class="code" href="structmxnet_1_1cpp_1_1Shape.html">Shape</a>(preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>()));</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; CHECK_EQ(labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>(), preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>());</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; }</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;};</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Accuracy.html"> 67</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1Accuracy.html">Accuracy</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Accuracy.html#a007228615a127c80b63faf9a2606b9ce"> 69</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1Accuracy.html#a007228615a127c80b63faf9a2606b9ce">Accuracy</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;accuracy&quot;</span>) {}</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Accuracy.html#a6759699d8fc376bb8065d3cd20e8b81b"> 71</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1Accuracy.html#a6759699d8fc376bb8065d3cd20e8b81b">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; CHECK_EQ(labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>().size(), 1);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> len = labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>()[0];</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; std::vector&lt;mx_float&gt; pred_data(len);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; std::vector&lt;mx_float&gt; label_data(len);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a0586e5cdb425ede29aae7a636de3a3e2">ArgmaxChannel</a>().<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data, len);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data, len);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += (pred_data[i] == label_data[i]) ? 1 : 0;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a> += 1;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; }</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;};</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;</div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1LogLoss.html"> 85</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1LogLoss.html">LogLoss</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1LogLoss.html#accfb21e9edabc66014d3ef4664d27da4"> 87</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1LogLoss.html#accfb21e9edabc66014d3ef4664d27da4">LogLoss</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;logloss&quot;</span>) {}</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160;</div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1LogLoss.html#a988259bdb3a115a226034b90d1b6603e"> 89</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1LogLoss.html#a988259bdb3a115a226034b90d1b6603e">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">float</span> epsilon = 1e-15;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> len = labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>()[0];</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> m = preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">GetShape</a>()[1];</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; std::vector&lt;mx_float&gt; pred_data(len * m);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; std::vector&lt;mx_float&gt; label_data(len);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data, pred_data.size());</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data, len);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> +=</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; -std::log(std::max(pred_data[i * m + label_data[i]], epsilon));</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a> += 1;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;};</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;</div><div class="line"><a name="l00105"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MAE.html"> 105</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1MAE.html">MAE</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MAE.html#a659d6c490a2c9445bde8ee21889e5a02"> 107</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1MAE.html#a659d6c490a2c9445bde8ee21889e5a02">MAE</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;mae&quot;</span>) {}</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MAE.html#a52ed42c6c91d64cc0d39c800631f9a3c"> 109</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1MAE.html#a52ed42c6c91d64cc0d39c800631f9a3c">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">CheckLabelShapes</a>(labels, preds);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; std::vector&lt;mx_float&gt; pred_data;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; std::vector&lt;mx_float&gt; label_data;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordtype">size_t</span> len = preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>();</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> sum = 0;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; sum += std::abs(pred_data[i] - label_data[i]);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += sum / len;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; ++<a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a>;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160;};</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160;</div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MSE.html"> 127</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1MSE.html">MSE</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MSE.html#a482b0a676aa338cc5d38d7378ad6ff24"> 129</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1MSE.html#a482b0a676aa338cc5d38d7378ad6ff24">MSE</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;mse&quot;</span>) {}</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1MSE.html#a3381768d558f36abbf157be1f2f0b18f"> 131</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1MSE.html#a3381768d558f36abbf157be1f2f0b18f">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">CheckLabelShapes</a>(labels, preds);</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; std::vector&lt;mx_float&gt; pred_data;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; std::vector&lt;mx_float&gt; label_data;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordtype">size_t</span> len = preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>();</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> sum = 0;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> diff = pred_data[i] - label_data[i];</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; sum += diff * diff;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; }</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += sum / len;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; ++<a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a>;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;};</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;</div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1RMSE.html"> 150</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1RMSE.html">RMSE</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1RMSE.html#a95114dec51bb2fa95e47d8dbd31c39d8"> 152</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1RMSE.html#a95114dec51bb2fa95e47d8dbd31c39d8">RMSE</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;rmse&quot;</span>) {}</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;</div><div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1RMSE.html#aedc9d28f514faba77ad99182f5dbb63b"> 154</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1RMSE.html#aedc9d28f514faba77ad99182f5dbb63b">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">CheckLabelShapes</a>(labels, preds);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160;</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; std::vector&lt;mx_float&gt; pred_data;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; std::vector&lt;mx_float&gt; label_data;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">size_t</span> len = preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>();</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> sum = 0;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> diff = pred_data[i] - label_data[i];</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; sum += diff * diff;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += std::sqrt(sum / len);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; ++<a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; }</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160;};</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160;</div><div class="line"><a name="l00173"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1PSNR.html"> 173</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1PSNR.html">PSNR</a> : <span class="keyword">public</span> <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a> {</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1PSNR.html#a0ee929dcfa7b8e4baa59d85b7071d22b"> 175</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1PSNR.html#a0ee929dcfa7b8e4baa59d85b7071d22b">PSNR</a>() : <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html">EvalMetric</a>(<span class="stringliteral">&quot;psnr&quot;</span>) {</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; }</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div><div class="line"><a name="l00178"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1PSNR.html#a864bbff414993c2972e28383acf6fc9e"> 178</a></span>&#160; <span class="keywordtype">void</span> <a class="code" href="classmxnet_1_1cpp_1_1PSNR.html#a864bbff414993c2972e28383acf6fc9e">Update</a>(<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> labels, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> preds)<span class="keyword"> override </span>{</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">CheckLabelShapes</a>(labels, preds);</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160;</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; std::vector&lt;mx_float&gt; pred_data;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;pred_data);</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; std::vector&lt;mx_float&gt; label_data;</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; labels.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">SyncCopyToCPU</a>(&amp;label_data);</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="keywordtype">size_t</span> len = preds.<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">Size</a>();</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> sum = 0;</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; len; ++i) {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> diff = pred_data[i] - label_data[i];</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; sum += diff * diff;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> mse = sum / len;</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="keywordflow">if</span> (mse &gt; 0) {</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += 10 * std::log(255.0f / mse) / log10_;</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">sum_metric</a> += 99.0f;</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; }</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; ++<a class="code" href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">num_inst</a>;</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; }</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> log10_ = std::log(10.0f);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160;};</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160;} <span class="comment">// namespace cpp</span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160;} <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160;</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160;<span class="preprocessor">#endif // MXNET_CPP_METRIC_H_</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160;</div><div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html_a0586e5cdb425ede29aae7a636de3a3e2"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html#a0586e5cdb425ede29aae7a636de3a3e2">mxnet::cpp::NDArray::ArgmaxChannel</a></div><div class="ttdeci">NDArray ArgmaxChannel()</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html_aca6ce41bb5180f2c6db7af40c7b0d06b"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html#aca6ce41bb5180f2c6db7af40c7b0d06b">mxnet::cpp::NDArray::Size</a></div><div class="ttdeci">size_t Size() const</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Accuracy_html_a007228615a127c80b63faf9a2606b9ce"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Accuracy.html#a007228615a127c80b63faf9a2606b9ce">mxnet::cpp::Accuracy::Accuracy</a></div><div class="ttdeci">Accuracy()</div><div class="ttdef"><b>Definition:</b> metric.h:69</div></div>
<div class="ttc" id="include_2mxnet_2c__api_8h_html_a4e709067707d9f90c534bd65494ae668"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a></div><div class="ttdeci">float mx_float</div><div class="ttdoc">manually define float </div><div class="ttdef"><b>Definition:</b> c_api.h:59</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_aec48aecbf724835808fce89db818507c"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#aec48aecbf724835808fce89db818507c">mxnet::cpp::EvalMetric::Get</a></div><div class="ttdeci">float Get()</div><div class="ttdef"><b>Definition:</b> metric.h:48</div></div>
<div class="ttc" id="namespacemxnet_html"><div class="ttname"><a href="namespacemxnet.html">mxnet</a></div><div class="ttdoc">namespace of mxnet </div><div class="ttdef"><b>Definition:</b> api_registry.h:33</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html_a1e72a8439055c0f14b6e4168afe4db94"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html#a1e72a8439055c0f14b6e4168afe4db94">mxnet::cpp::NDArray::GetShape</a></div><div class="ttdeci">std::vector&lt; mx_uint &gt; GetShape() const</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_aec5f85b4dbf7132efca0755cad5a58d8"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#aec5f85b4dbf7132efca0755cad5a58d8">mxnet::cpp::EvalMetric::num</a></div><div class="ttdeci">int num</div><div class="ttdef"><b>Definition:</b> metric.h:53</div></div>
<div class="ttc" id="structmxnet_1_1cpp_1_1Shape_html"><div class="ttname"><a href="structmxnet_1_1cpp_1_1Shape.html">mxnet::cpp::Shape</a></div><div class="ttdoc">dynamic shape class that can hold shape of arbirary dimension </div><div class="ttdef"><b>Definition:</b> shape.h:42</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_a1b5a769b85867b135d7493175f81b96d"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#a1b5a769b85867b135d7493175f81b96d">mxnet::cpp::EvalMetric::EvalMetric</a></div><div class="ttdeci">EvalMetric(const std::string &amp;name, int num=0)</div><div class="ttdef"><b>Definition:</b> metric.h:41</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Accuracy_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Accuracy.html">mxnet::cpp::Accuracy</a></div><div class="ttdef"><b>Definition:</b> metric.h:67</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1PSNR_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1PSNR.html">mxnet::cpp::PSNR</a></div><div class="ttdef"><b>Definition:</b> metric.h:173</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MAE_html_a659d6c490a2c9445bde8ee21889e5a02"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MAE.html#a659d6c490a2c9445bde8ee21889e5a02">mxnet::cpp::MAE::MAE</a></div><div class="ttdeci">MAE()</div><div class="ttdef"><b>Definition:</b> metric.h:107</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_a594eda0005a14a2294ba00f42d6315ee"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#a594eda0005a14a2294ba00f42d6315ee">mxnet::cpp::EvalMetric::GetNameValue</a></div><div class="ttdeci">void GetNameValue()</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MAE_html_a52ed42c6c91d64cc0d39c800631f9a3c"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MAE.html#a52ed42c6c91d64cc0d39c800631f9a3c">mxnet::cpp::MAE::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:109</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Accuracy_html_a6759699d8fc376bb8065d3cd20e8b81b"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Accuracy.html#a6759699d8fc376bb8065d3cd20e8b81b">mxnet::cpp::Accuracy::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:71</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html_a84bdfbe193ccadc66f3416323467d3ae"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html#a84bdfbe193ccadc66f3416323467d3ae">mxnet::cpp::NDArray::SyncCopyToCPU</a></div><div class="ttdeci">void SyncCopyToCPU(mx_float *data, size_t size=0)</div><div class="ttdoc">Do a synchronize copy to a contiguous CPU memory region. </div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html">mxnet::cpp::NDArray</a></div><div class="ttdoc">NDArray interface. </div><div class="ttdef"><b>Definition:</b> ndarray.h:120</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_a04b41a66d3c72e1befaf96205eb3a2d0"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#a04b41a66d3c72e1befaf96205eb3a2d0">mxnet::cpp::EvalMetric::sum_metric</a></div><div class="ttdeci">float sum_metric</div><div class="ttdef"><b>Definition:</b> metric.h:54</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_ade7cc55a3dd2d94e7b468ba16751ef62"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#ade7cc55a3dd2d94e7b468ba16751ef62">mxnet::cpp::EvalMetric::Update</a></div><div class="ttdeci">virtual void Update(NDArray labels, NDArray preds)=0</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html">mxnet::cpp::EvalMetric</a></div><div class="ttdef"><b>Definition:</b> metric.h:39</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1LogLoss_html_accfb21e9edabc66014d3ef4664d27da4"><div class="ttname"><a href="classmxnet_1_1cpp_1_1LogLoss.html#accfb21e9edabc66014d3ef4664d27da4">mxnet::cpp::LogLoss::LogLoss</a></div><div class="ttdeci">LogLoss()</div><div class="ttdef"><b>Definition:</b> metric.h:87</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1RMSE_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1RMSE.html">mxnet::cpp::RMSE</a></div><div class="ttdef"><b>Definition:</b> metric.h:150</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_a8fe15b123022e22ddadc3ccddd7b4d01"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#a8fe15b123022e22ddadc3ccddd7b4d01">mxnet::cpp::EvalMetric::num_inst</a></div><div class="ttdeci">int num_inst</div><div class="ttdef"><b>Definition:</b> metric.h:55</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1RMSE_html_a95114dec51bb2fa95e47d8dbd31c39d8"><div class="ttname"><a href="classmxnet_1_1cpp_1_1RMSE.html#a95114dec51bb2fa95e47d8dbd31c39d8">mxnet::cpp::RMSE::RMSE</a></div><div class="ttdeci">RMSE()</div><div class="ttdef"><b>Definition:</b> metric.h:152</div></div>
<div class="ttc" id="cpp-package_2include_2mxnet-cpp_2ndarray_8h_html"><div class="ttname"><a href="cpp-package_2include_2mxnet-cpp_2ndarray_8h.html">ndarray.h</a></div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1LogLoss_html_a988259bdb3a115a226034b90d1b6603e"><div class="ttname"><a href="classmxnet_1_1cpp_1_1LogLoss.html#a988259bdb3a115a226034b90d1b6603e">mxnet::cpp::LogLoss::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:89</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1LogLoss_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1LogLoss.html">mxnet::cpp::LogLoss</a></div><div class="ttdef"><b>Definition:</b> metric.h:85</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1PSNR_html_a864bbff414993c2972e28383acf6fc9e"><div class="ttname"><a href="classmxnet_1_1cpp_1_1PSNR.html#a864bbff414993c2972e28383acf6fc9e">mxnet::cpp::PSNR::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:178</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MSE_html_a3381768d558f36abbf157be1f2f0b18f"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MSE.html#a3381768d558f36abbf157be1f2f0b18f">mxnet::cpp::MSE::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:131</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_aa6c5fffe252895a404f0d1016897805a"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#aa6c5fffe252895a404f0d1016897805a">mxnet::cpp::EvalMetric::name</a></div><div class="ttdeci">std::string name</div><div class="ttdef"><b>Definition:</b> metric.h:52</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_a624ac9ba2f3b6e9ecadc352321f88065"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#a624ac9ba2f3b6e9ecadc352321f88065">mxnet::cpp::EvalMetric::CheckLabelShapes</a></div><div class="ttdeci">static void CheckLabelShapes(NDArray labels, NDArray preds, bool strict=false)</div><div class="ttdef"><b>Definition:</b> metric.h:57</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MSE_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MSE.html">mxnet::cpp::MSE</a></div><div class="ttdef"><b>Definition:</b> metric.h:127</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1EvalMetric_html_af7ef1b2b082f547e78af7a20b0bfb463"><div class="ttname"><a href="classmxnet_1_1cpp_1_1EvalMetric.html#af7ef1b2b082f547e78af7a20b0bfb463">mxnet::cpp::EvalMetric::Reset</a></div><div class="ttdeci">void Reset()</div><div class="ttdef"><b>Definition:</b> metric.h:44</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1PSNR_html_a0ee929dcfa7b8e4baa59d85b7071d22b"><div class="ttname"><a href="classmxnet_1_1cpp_1_1PSNR.html#a0ee929dcfa7b8e4baa59d85b7071d22b">mxnet::cpp::PSNR::PSNR</a></div><div class="ttdeci">PSNR()</div><div class="ttdef"><b>Definition:</b> metric.h:175</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1RMSE_html_aedc9d28f514faba77ad99182f5dbb63b"><div class="ttname"><a href="classmxnet_1_1cpp_1_1RMSE.html#aedc9d28f514faba77ad99182f5dbb63b">mxnet::cpp::RMSE::Update</a></div><div class="ttdeci">void Update(NDArray labels, NDArray preds) override</div><div class="ttdef"><b>Definition:</b> metric.h:154</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MAE_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MAE.html">mxnet::cpp::MAE</a></div><div class="ttdef"><b>Definition:</b> metric.h:105</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1MSE_html_a482b0a676aa338cc5d38d7378ad6ff24"><div class="ttname"><a href="classmxnet_1_1cpp_1_1MSE.html#a482b0a676aa338cc5d38d7378ad6ff24">mxnet::cpp::MSE::MSE</a></div><div class="ttdeci">MSE()</div><div class="ttdef"><b>Definition:</b> metric.h:129</div></div>
<div class="ttc" id="include_2mxnet_2c__api_8h_html_a3438cf44a22968b254a78032ca0c2c59"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html#a3438cf44a22968b254a78032ca0c2c59">mx_uint</a></div><div class="ttdeci">uint32_t mx_uint</div><div class="ttdoc">manually define unsigned int </div><div class="ttdef"><b>Definition:</b> c_api.h:57</div></div>
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