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<a href="cpp-package_2include_2mxnet-cpp_2ndarray_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="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#ifndef MXNET_CPP_NDARRAY_H_</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#define MXNET_CPP_NDARRAY_H_</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor">#include &lt;map&gt;</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor">#include &lt;memory&gt;</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="cpp-package_2include_2mxnet-cpp_2base_8h.html">mxnet-cpp/base.h</a>&quot;</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="shape_8h.html">mxnet-cpp/shape.h</a>&quot;</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemxnet.html">mxnet</a> {</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">namespace </span>cpp {</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6"> 41</a></span>&#160;<span class="keyword">enum</span> <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6">DeviceType</a> {</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a9705bd4da252932c6c64160d1ea7dbae"> 42</a></span>&#160; <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a9705bd4da252932c6c64160d1ea7dbae">kCPU</a> = 1,</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a98a378997114516ab326b392a1668158"> 43</a></span>&#160; <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a98a378997114516ab326b392a1668158">kGPU</a> = 2,</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6abe32f7c482f2fb25e142b3834524252a"> 44</a></span>&#160; <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6abe32f7c482f2fb25e142b3834524252a">kCPUPinned</a> = 3</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;};</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html"> 50</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1Context.html">Context</a> {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html#a54525e6f30f0239107fb23578ba042d8"> 57</a></span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a54525e6f30f0239107fb23578ba042d8">Context</a>(<span class="keyword">const</span> <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6">DeviceType</a> &amp;type, <span class="keywordtype">int</span> <span class="keywordtype">id</span>) : type_(type), id_(id) {}</div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html#a6bffb0f2869b2968440e3ed20480ea62"> 61</a></span>&#160; <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6">DeviceType</a> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a6bffb0f2869b2968440e3ed20480ea62">GetDeviceType</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> type_; }</div><div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html#aa8fa947447033e822ac0a61bd116993d"> 65</a></span>&#160; <span class="keywordtype">int</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#aa8fa947447033e822ac0a61bd116993d">GetDeviceId</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> id_; }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html#a785da03b56244e288752ee117f238ecf"> 72</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html">Context</a> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a785da03b56244e288752ee117f238ecf">gpu</a>(<span class="keywordtype">int</span> device_id = 0) {</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a54525e6f30f0239107fb23578ba042d8">Context</a>(<a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a98a378997114516ab326b392a1668158">DeviceType::kGPU</a>, device_id);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1Context.html#a65ef083b6e4901816b69aa18e5bfe80e"> 81</a></span>&#160; <span class="keyword">static</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html">Context</a> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a65ef083b6e4901816b69aa18e5bfe80e">cpu</a>(<span class="keywordtype">int</span> device_id = 0) {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html#a54525e6f30f0239107fb23578ba042d8">Context</a>(<a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a9705bd4da252932c6c64160d1ea7dbae">DeviceType::kCPU</a>, device_id);</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"> 85</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; <a class="code" href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6">DeviceType</a> type_;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordtype">int</span> id_;</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"> 89</span>&#160;</div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="structmxnet_1_1cpp_1_1NDBlob.html"> 93</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html">NDBlob</a> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00098"></a><span class="lineno"><a class="line" href="structmxnet_1_1cpp_1_1NDBlob.html#a4c6fab9145818db51cef5adaca1c74c4"> 98</a></span>&#160; <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html#a4c6fab9145818db51cef5adaca1c74c4">NDBlob</a>() : handle_(nullptr) {}</div><div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="structmxnet_1_1cpp_1_1NDBlob.html#a3c4c0d42509524dca7c24eb659fc32da"> 103</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html#a3c4c0d42509524dca7c24eb659fc32da">NDBlob</a>(<a class="code" href="include_2mxnet_2c__api_8h.html#a99c2939783499d2a5ce0d76881dce9df">NDArrayHandle</a> handle) : handle_(handle) {}</div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structmxnet_1_1cpp_1_1NDBlob.html#a3e833bbc08a4b0e6014738e453844f4a"> 107</a></span>&#160; <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html#a3e833bbc08a4b0e6014738e453844f4a">~NDBlob</a>() { <a class="code" href="include_2mxnet_2c__api_8h.html#a857e66f665360d5fab3ad52528df38dd">MXNDArrayFree</a>(handle_); }</div><div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structmxnet_1_1cpp_1_1NDBlob.html#a5003302311ab4ac51f2fa71445d181be"> 111</a></span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a99c2939783499d2a5ce0d76881dce9df">NDArrayHandle</a> <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html#a5003302311ab4ac51f2fa71445d181be">handle_</a>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html">NDBlob</a>(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html">NDBlob</a> &amp;);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html">NDBlob</a> &amp;operator=(<span class="keyword">const</span> <a class="code" href="structmxnet_1_1cpp_1_1NDBlob.html">NDBlob</a> &amp;);</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;</div><div class="line"><a name="l00121"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1NDArray.html"> 121</a></span>&#160;<span class="keyword">class </span><a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> {</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a>();</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">explicit</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a>(<span class="keyword">const</span> <a class="code" href="include_2mxnet_2c__api_8h.html#a99c2939783499d2a5ce0d76881dce9df">NDArrayHandle</a> &amp;handle);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a>(<span class="keyword">const</span> std::vector&lt;mx_uint&gt; &amp;shape, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1Context.html">Context</a> &amp;context,</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordtype">bool</span> delay_alloc = <span class="keyword">true</span>, <span class="keywordtype">int</span> dtype = 0);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; 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<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> <a class="code" href="namespacemxnet_1_1cpp.html#a9dd3c680ffa337cc97981ada80645880">operator%</a>(<a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> scalar);</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> <a class="code" href="namespacemxnet_1_1cpp.html#af7ac3062c79e5700205043f94e7029ad">operator+</a>(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> <a class="code" href="namespacemxnet_1_1cpp.html#a4a500d425fad80171b91185fa781b937">operator-</a>(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;);</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; 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<a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator/=(<a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> scalar);</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator%=(<a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> scalar);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator+=(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;src);</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator-=(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;src);</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator*=(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;src);</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator/=(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;src);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;operator%=(<span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;src);</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> ArgmaxChannel();</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="keywordtype">void</span> SyncCopyFromCPU(<span class="keyword">const</span> <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> *data, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="keywordtype">void</span> SyncCopyFromCPU(<span class="keyword">const</span> std::vector&lt;mx_float&gt; &amp;data);</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="keywordtype">void</span> SyncCopyToCPU(<a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> *data, <span class="keywordtype">size_t</span> size = 0);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="keywordtype">void</span> SyncCopyToCPU(std::vector&lt;mx_float&gt; *data, <span class="keywordtype">size_t</span> size = 0);</div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; 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<span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="namespacemxnet.html#a2846f4556c9ca9bd0f567504ce60f274">SampleUniform</a>(<a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> begin, <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> end, <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> *out);</div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> Load(<span class="keyword">const</span> std::string &amp;file_name,</div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; std::vector&lt;NDArray&gt; *array_list = <span class="keyword">nullptr</span>,</div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; std::map&lt;std::string, NDArray&gt; *array_map = <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="keyword">static</span> std::map&lt;std::string, NDArray&gt; LoadToMap(<span class="keyword">const</span> std::string &amp;file_name);</div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="keyword">static</span> std::vector&lt;NDArray&gt; LoadToList(<span class="keyword">const</span> std::string &amp;file_name);</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> LoadFromBuffer(<span class="keyword">const</span> <span class="keywordtype">void</span> *buffer, <span class="keywordtype">size_t</span> size,</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; std::vector&lt;NDArray&gt; *array_list = <span class="keyword">nullptr</span>,</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; std::map&lt;std::string, NDArray&gt; *array_map = <span class="keyword">nullptr</span>);</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="keyword">static</span> std::map&lt;std::string, NDArray&gt; LoadFromBufferToMap(<span class="keyword">const</span> <span class="keywordtype">void</span> *buffer, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; <span class="keyword">static</span> std::vector&lt;NDArray&gt; LoadFromBufferToList(<span class="keyword">const</span> <span class="keywordtype">void</span> *buffer, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> Save(<span class="keyword">const</span> std::string &amp;file_name,</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; <span class="keyword">const</span> std::map&lt;std::string, NDArray&gt; &amp;array_map);</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160; <span class="keyword">static</span> <span class="keywordtype">void</span> Save(<span class="keyword">const</span> std::string &amp;file_name,</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>&#160; <span class="keyword">const</span> std::vector&lt;NDArray&gt; &amp;array_list);</div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160; <span class="keywordtype">size_t</span> Size() <span class="keyword">const</span>;</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160; std::vector&lt;mx_uint&gt; <a class="code" href="namespacemshadow_1_1expr.html#a1552427378286a426185fe2c503c8ad2">GetShape</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>&#160; <span class="keywordtype">int</span> GetDType() <span class="keyword">const</span>;</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>&#160; <span class="keyword">const</span> <a class="code" href="include_2mxnet_2c__api_8h.html#a4e709067707d9f90c534bd65494ae668">mx_float</a> *GetData() <span class="keyword">const</span>;</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>&#160;</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>&#160; <a class="code" href="classmxnet_1_1cpp_1_1Context.html">Context</a> GetContext() <span class="keyword">const</span>;</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>&#160;</div><div class="line"><a name="l00475"></a><span class="lineno"><a class="line" href="classmxnet_1_1cpp_1_1NDArray.html#a882883231b1abb67a639be75a3887cc1"> 475</a></span>&#160; <a class="code" href="include_2mxnet_2c__api_8h.html#a99c2939783499d2a5ce0d76881dce9df">NDArrayHandle</a> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html#a882883231b1abb67a639be75a3887cc1">GetHandle</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> blob_ptr_-&gt;handle_; }</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>&#160;</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span>&#160; std::shared_ptr&lt;NDBlob&gt; blob_ptr_;</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>&#160;};</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>&#160;</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>&#160;std::ostream&amp; <a class="code" href="namespacemxnet_1_1cpp.html#a56bcf615f032f8ca632e0ed3d56223a0">operator&lt;&lt;</a>(std::ostream&amp; out, <span class="keyword">const</span> <a class="code" href="classmxnet_1_1cpp_1_1NDArray.html">NDArray</a> &amp;ndarray);</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>&#160;} <span class="comment">// namespace cpp</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>&#160;} <span class="comment">// namespace mxnet</span></div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>&#160;</div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>&#160;<span class="preprocessor">#endif // MXNET_CPP_NDARRAY_H_</span></div><div class="ttc" id="structmxnet_1_1cpp_1_1NDBlob_html_a4c6fab9145818db51cef5adaca1c74c4"><div class="ttname"><a href="structmxnet_1_1cpp_1_1NDBlob.html#a4c6fab9145818db51cef5adaca1c74c4">mxnet::cpp::NDBlob::NDBlob</a></div><div class="ttdeci">NDBlob()</div><div class="ttdoc">default constructor </div><div class="ttdef"><b>Definition:</b> ndarray.h:98</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a6e10e5bdac4feca95f2a2cc4050ccb29"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a6e10e5bdac4feca95f2a2cc4050ccb29">mxnet::cpp::operator/</a></div><div class="ttdeci">Symbol operator/(mx_float lhs, const Symbol &amp;rhs)</div></div>
<div class="ttc" id="namespacemshadow_1_1expr_html_ac547eb1dceee713542019c2cc6da378b"><div class="ttname"><a href="namespacemshadow_1_1expr.html#ac547eb1dceee713542019c2cc6da378b">mshadow::expr::scalar</a></div><div class="ttdeci">ScalarExp&lt; DType &gt; scalar(DType s)</div><div class="ttdoc">create an scalar expression </div><div class="ttdef"><b>Definition:</b> expression.h:104</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:60</div></div>
<div class="ttc" id="namespacemshadow_1_1expr_html_a1552427378286a426185fe2c503c8ad2"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a1552427378286a426185fe2c503c8ad2">mshadow::expr::GetShape</a></div><div class="ttdeci">Shape&lt; 2 &gt; GetShape(const Shape&lt; 2 &gt; &amp;shape, bool transpose)</div><div class="ttdef"><b>Definition:</b> dot_engine-inl.h:853</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="namespacemshadow_html_a0435f827863555e4ed19bbc0cc81fa39"><div class="ttname"><a href="namespacemshadow.html#a0435f827863555e4ed19bbc0cc81fa39">mshadow::Copy</a></div><div class="ttdeci">void Copy(Tensor&lt; cpu, dim, DType &gt; dst, const Tensor&lt; cpu, dim, DType &gt; &amp;src, Stream&lt; cpu &gt; *stream=NULL)</div><div class="ttdoc">copy data from one tensor to another, with same shape </div><div class="ttdef"><b>Definition:</b> tensor_cpu-inl.h:146</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a65c3def958cbb9d09c7f56082a5257d6abe32f7c482f2fb25e142b3834524252a"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6abe32f7c482f2fb25e142b3834524252a">mxnet::cpp::kCPUPinned</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:44</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:43</div></div>
<div class="ttc" id="structmxnet_1_1cpp_1_1NDBlob_html_a3e833bbc08a4b0e6014738e453844f4a"><div class="ttname"><a href="structmxnet_1_1cpp_1_1NDBlob.html#a3e833bbc08a4b0e6014738e453844f4a">mxnet::cpp::NDBlob::~NDBlob</a></div><div class="ttdeci">~NDBlob()</div><div class="ttdoc">destructor, free the NDArrayHandle </div><div class="ttdef"><b>Definition:</b> ndarray.h:107</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html_a65ef083b6e4901816b69aa18e5bfe80e"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html#a65ef083b6e4901816b69aa18e5bfe80e">mxnet::cpp::Context::cpu</a></div><div class="ttdeci">static Context cpu(int device_id=0)</div><div class="ttdoc">Return a CPU context. </div><div class="ttdef"><b>Definition:</b> ndarray.h:81</div></div>
<div class="ttc" id="include_2mxnet_2c__api_8h_html_a857e66f665360d5fab3ad52528df38dd"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html#a857e66f665360d5fab3ad52528df38dd">MXNDArrayFree</a></div><div class="ttdeci">MXNET_DLL int MXNDArrayFree(NDArrayHandle handle)</div><div class="ttdoc">free the narray handle </div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a9dd3c680ffa337cc97981ada80645880"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a9dd3c680ffa337cc97981ada80645880">mxnet::cpp::operator%</a></div><div class="ttdeci">Symbol operator%(mx_float lhs, const Symbol &amp;rhs)</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a65c3def958cbb9d09c7f56082a5257d6a9705bd4da252932c6c64160d1ea7dbae"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a9705bd4da252932c6c64160d1ea7dbae">mxnet::cpp::kCPU</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:42</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a65c3def958cbb9d09c7f56082a5257d6"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6">mxnet::cpp::DeviceType</a></div><div class="ttdeci">DeviceType</div><div class="ttdef"><b>Definition:</b> ndarray.h:41</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:121</div></div>
<div class="ttc" id="structmxnet_1_1cpp_1_1NDBlob_html_a3c4c0d42509524dca7c24eb659fc32da"><div class="ttname"><a href="structmxnet_1_1cpp_1_1NDBlob.html#a3c4c0d42509524dca7c24eb659fc32da">mxnet::cpp::NDBlob::NDBlob</a></div><div class="ttdeci">NDBlob(NDArrayHandle handle)</div><div class="ttdoc">construct with a NDArrayHandle </div><div class="ttdef"><b>Definition:</b> ndarray.h:103</div></div>
<div class="ttc" id="namespacemxnet_html_a5a28062f52ca576a126599e7ad487077"><div class="ttname"><a href="namespacemxnet.html#a5a28062f52ca576a126599e7ad487077">mxnet::SampleGaussian</a></div><div class="ttdeci">void SampleGaussian(real_t mu, real_t sigma, NDArray *out)</div><div class="ttdoc">Sample gaussian distribution for each elements of out. </div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1NDArray_html_a882883231b1abb67a639be75a3887cc1"><div class="ttname"><a href="classmxnet_1_1cpp_1_1NDArray.html#a882883231b1abb67a639be75a3887cc1">mxnet::cpp::NDArray::GetHandle</a></div><div class="ttdeci">NDArrayHandle GetHandle() const </div><div class="ttdef"><b>Definition:</b> ndarray.h:475</div></div>
<div class="ttc" id="structmxnet_1_1cpp_1_1NDBlob_html_a5003302311ab4ac51f2fa71445d181be"><div class="ttname"><a href="structmxnet_1_1cpp_1_1NDBlob.html#a5003302311ab4ac51f2fa71445d181be">mxnet::cpp::NDBlob::handle_</a></div><div class="ttdeci">NDArrayHandle handle_</div><div class="ttdoc">the NDArrayHandle </div><div class="ttdef"><b>Definition:</b> ndarray.h:111</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_af7ac3062c79e5700205043f94e7029ad"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#af7ac3062c79e5700205043f94e7029ad">mxnet::cpp::operator+</a></div><div class="ttdeci">Symbol operator+(mx_float lhs, const Symbol &amp;rhs)</div></div>
<div class="ttc" id="namespacemxnet_html_a2846f4556c9ca9bd0f567504ce60f274"><div class="ttname"><a href="namespacemxnet.html#a2846f4556c9ca9bd0f567504ce60f274">mxnet::SampleUniform</a></div><div class="ttdeci">void SampleUniform(real_t begin, real_t end, NDArray *out)</div><div class="ttdoc">Sample uniform distribution for each elements of out. </div></div>
<div class="ttc" id="include_2mxnet_2c__api_8h_html_a99c2939783499d2a5ce0d76881dce9df"><div class="ttname"><a href="include_2mxnet_2c__api_8h.html#a99c2939783499d2a5ce0d76881dce9df">NDArrayHandle</a></div><div class="ttdeci">void * NDArrayHandle</div><div class="ttdoc">handle to NDArray </div><div class="ttdef"><b>Definition:</b> c_api.h:67</div></div>
<div class="ttc" id="cpp-package_2include_2mxnet-cpp_2base_8h_html"><div class="ttname"><a href="cpp-package_2include_2mxnet-cpp_2base_8h.html">base.h</a></div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html_a6bffb0f2869b2968440e3ed20480ea62"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html#a6bffb0f2869b2968440e3ed20480ea62">mxnet::cpp::Context::GetDeviceType</a></div><div class="ttdeci">DeviceType GetDeviceType() const </div><div class="ttdef"><b>Definition:</b> ndarray.h:61</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a56bcf615f032f8ca632e0ed3d56223a0"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a56bcf615f032f8ca632e0ed3d56223a0">mxnet::cpp::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;out, const NDArray &amp;ndarray)</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html_aa8fa947447033e822ac0a61bd116993d"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html#aa8fa947447033e822ac0a61bd116993d">mxnet::cpp::Context::GetDeviceId</a></div><div class="ttdeci">int GetDeviceId() const </div><div class="ttdef"><b>Definition:</b> ndarray.h:65</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a65c3def958cbb9d09c7f56082a5257d6a98a378997114516ab326b392a1668158"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a65c3def958cbb9d09c7f56082a5257d6a98a378997114516ab326b392a1668158">mxnet::cpp::kGPU</a></div><div class="ttdef"><b>Definition:</b> ndarray.h:43</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_a4a500d425fad80171b91185fa781b937"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#a4a500d425fad80171b91185fa781b937">mxnet::cpp::operator-</a></div><div class="ttdeci">Symbol operator-(mx_float lhs, const Symbol &amp;rhs)</div></div>
<div class="ttc" id="structmxnet_1_1cpp_1_1NDBlob_html"><div class="ttname"><a href="structmxnet_1_1cpp_1_1NDBlob.html">mxnet::cpp::NDBlob</a></div><div class="ttdoc">struct to store NDArrayHandle </div><div class="ttdef"><b>Definition:</b> ndarray.h:93</div></div>
<div class="ttc" id="shape_8h_html"><div class="ttname"><a href="shape_8h.html">shape.h</a></div><div class="ttdoc">definition of shape </div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html_a785da03b56244e288752ee117f238ecf"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html#a785da03b56244e288752ee117f238ecf">mxnet::cpp::Context::gpu</a></div><div class="ttdeci">static Context gpu(int device_id=0)</div><div class="ttdoc">Return a GPU context. </div><div class="ttdef"><b>Definition:</b> ndarray.h:72</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html">mxnet::cpp::Context</a></div><div class="ttdoc">Context interface. </div><div class="ttdef"><b>Definition:</b> ndarray.h:50</div></div>
<div class="ttc" id="namespacemxnet_1_1cpp_html_ae76138e7d064b0f17638b365c27425f6"><div class="ttname"><a href="namespacemxnet_1_1cpp.html#ae76138e7d064b0f17638b365c27425f6">mxnet::cpp::operator*</a></div><div class="ttdeci">Symbol operator*(mx_float lhs, const Symbol &amp;rhs)</div></div>
<div class="ttc" id="classmxnet_1_1cpp_1_1Context_html_a54525e6f30f0239107fb23578ba042d8"><div class="ttname"><a href="classmxnet_1_1cpp_1_1Context.html#a54525e6f30f0239107fb23578ba042d8">mxnet::cpp::Context::Context</a></div><div class="ttdeci">Context(const DeviceType &amp;type, int id)</div><div class="ttdoc">Context constructor. </div><div class="ttdef"><b>Definition:</b> ndarray.h:57</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:58</div></div>
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