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| <a href="spatial__pool_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> <span class="comment">/*</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <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> <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> <span class="comment"> * distributed with this work for additional information</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <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> <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> <span class="comment"> * "License"); you may not use this file except in compliance</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <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> <span class="comment"> *</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <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> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <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> <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> <span class="comment"> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <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> <span class="comment"> * specific language governing permissions and limitations</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * under the License.</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifndef MSHADOW_EXTENSION_SPATIAL_POOL_H_</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define MSHADOW_EXTENSION_SPATIAL_POOL_H_</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <algorithm></span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "../extension.h"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">namespace </span><a class="code" href="namespacemshadow.html">mshadow</a> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">namespace </span>expr {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">template</span><<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> srcdim></div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html"> 39</a></span> <span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp</a>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keyword">public</span> <a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html">MakeTensorExp</a><PoolingExp<Reducer, SrcExp, DType, srcdim>,</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  SrcExp, srcdim, DType> {</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629"> 43</a></span>  <span class="keyword">const</span> SrcExp &<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">src_</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb"> 45</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">ksize_y_</a>;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101"> 47</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">ksize_x_</a>;</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75"> 49</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">kstride_y_</a>;</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe"> 51</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">kstride_x_</a>;</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317"> 53</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a>;</div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a"> 55</a></span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">src_width_</a>;</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#ab95e8c1880665da294f6e69ac2dc708b"> 57</a></span>  <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ab95e8c1880665da294f6e69ac2dc708b">PoolingExp</a>(<span class="keyword">const</span> SrcExp &src,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_x)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  : src_(src), ksize_y_(ksize_y), ksize_x_(ksize_x),</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  kstride_y_(kstride_y), kstride_x_(kstride_x) {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="structmshadow_1_1Shape.html">Shape<srcdim></a> sshape = <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">ShapeCheck<srcdim, SrcExp>::Check</a>(src_);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  CHECK(sshape[srcdim - 1] >= ksize_x && sshape[srcdim - 2] >= ksize_y)</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  << <span class="stringliteral">"PoolingExp: kernel must be smaller than image"</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  this->src_height_ = sshape[srcdim - 2];</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  this->src_width_ = sshape[srcdim - 1];</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a> = sshape;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 2] = (src_height_ - ksize_y) / kstride_y + 1;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 1] = (src_width_ - ksize_x) / kstride_x + 1;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div><div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1PoolingExp.html#a46902e1b64dfea8aaa9382cbc86ae216"> 71</a></span>  <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a46902e1b64dfea8aaa9382cbc86ae216">PoolingExp</a>(<span class="keyword">const</span> SrcExp &src, <a class="code" href="structmshadow_1_1Shape.html">Shape<2></a> pshape,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_x)</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  : src_(src), ksize_y_(ksize_y), ksize_x_(ksize_x),</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  kstride_y_(kstride_y), kstride_x_(kstride_x) {</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="structmshadow_1_1Shape.html">Shape<srcdim></a> sshape = <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">ShapeCheck<srcdim, SrcExp>::Check</a>(src_);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  CHECK(sshape[srcdim - 1] >= ksize_x && sshape[srcdim - 2] >= ksize_y)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  << <span class="stringliteral">"PoolingExp: kernel must be smaller than image"</span>;</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  this->src_height_ = sshape[srcdim - 2];</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  this->src_width_ = sshape[srcdim - 1];</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a> = sshape;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 2] = pshape[0];</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  this-><a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 1] = pshape[1];</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  }</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> };</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">template</span><<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> etype></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">inline</span> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp<Reducer, SrcExp, DType, ExpInfo<SrcExp>::kDim</a>></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a9c0904ddf79b3f0df6d1b7747c71d921"> 100</a></span> <a class="code" href="namespacemshadow_1_1expr.html#a9c0904ddf79b3f0df6d1b7747c71d921">pool</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp<SrcExp, DType, etype></a> &src,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_x) {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="structmshadow_1_1expr_1_1TypeCheckPass.html">TypeCheckPass<ExpInfo<SrcExp>::kDim</a> >= 2></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ::Error_Expression_Does_Not_Meet_Dimension_Req();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp<Reducer, SrcExp, DType, ExpInfo<SrcExp>::kDim</a>></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  (src.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#adb7e4afd0baed78d66cff87de0a6621f">self</a>(), ksize_y, ksize_x, kstride_y, kstride_x);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> }</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">template</span><<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> etype></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">inline</span> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp<Reducer, SrcExp, DType, ExpInfo<SrcExp>::kDim</a>></div><div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#aca58fca4a4298af774668967daabd12c"> 124</a></span> <a class="code" href="namespacemshadow_1_1expr.html#a9c0904ddf79b3f0df6d1b7747c71d921">pool</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp<SrcExp, DType, etype></a> &src, <a class="code" href="structmshadow_1_1Shape.html">Shape<2></a> pshape,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> ksize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> kstride_x) {</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="structmshadow_1_1expr_1_1TypeCheckPass.html">TypeCheckPass<ExpInfo<SrcExp>::kDim</a> >= 2></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  ::Error_Expression_Does_Not_Meet_Dimension_Req();</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp<Reducer, SrcExp, DType, ExpInfo<SrcExp>::kDim</a>></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  (src.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#adb7e4afd0baed78d66cff87de0a6621f">self</a>(), pshape, ksize_y, ksize_x, kstride_y, kstride_x);</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> }</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">//----------------------</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Execution plan</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">//----------------------</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">template</span><<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> srcdim></div><div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html"> 135</a></span> <span class="keyword">struct </span><a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan</a><<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp</a>< Reducer, SrcExp, DType, srcdim>, DType> {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a8c667911a28c5a88b6046bfb245d1820"> 137</a></span>  <span class="keyword">explicit</span> <a class="code" href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a8c667911a28c5a88b6046bfb245d1820">Plan</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html">PoolingExp<Reducer, SrcExp, DType, srcdim></a> &e)</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  : <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">src_</a>(<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">src_</a>)),</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">ksize_y_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">ksize_y_</a>), <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">ksize_x_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">ksize_x_</a>),</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">kstride_y_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">kstride_y_</a>), <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">kstride_x_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">kstride_x_</a>),</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a>), <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">src_width_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">src_width_</a>),</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  new_height_(e.<a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 2]) {}</div><div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a7de70a6413d79b6da2272c31231191d8"> 143</a></span>  <a class="code" href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a> DType <a class="code" href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a7de70a6413d79b6da2272c31231191d8">Eval</a>(<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> i, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> j)<span class="keyword"> const </span>{</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> py = i % new_height_;</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y_start = py * <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">kstride_y_</a>;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y_end = min(y_start + <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">ksize_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a>);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> px = j;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x_start = px * <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">kstride_x_</a>;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x_end = min(x_start + <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">ksize_x_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">src_width_</a>);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> c = i / new_height_;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  DType res; Reducer::SetInitValue(res);</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">for</span> (<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y = y_start; y < y_end; ++y) {</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">for</span> (<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x = x_start; x < x_end; ++x) {</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  Reducer::Reduce(res, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">src_</a>.Eval(c * <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a> + y, x));</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> res;</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  }</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan<SrcExp, DType></a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">src_</a>;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">ksize_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">ksize_x_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">kstride_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">kstride_x_</a>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">src_height_</a>, <a class="code" href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">src_width_</a>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> new_height_;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> };</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> } <span class="comment">// namespace expr</span></div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> } <span class="comment">// namespace mshadow</span></div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#endif // MSHADOW_EXTENSION_SPATIAL_POOL_H_</span></div><div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a31e19cfcb412409f1c352f013a88a101"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a31e19cfcb412409f1c352f013a88a101">mshadow::expr::PoolingExp::ksize_x_</a></div><div class="ttdeci">index_t ksize_x_</div><div class="ttdoc">kernel size in width </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:47</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1Exp_html_adb7e4afd0baed78d66cff87de0a6621f"><div class="ttname"><a href="structmshadow_1_1expr_1_1Exp.html#adb7e4afd0baed78d66cff87de0a6621f">mshadow::expr::Exp::self</a></div><div class="ttdeci">const SubType & self(void) const</div><div class="ttdef"><b>Definition:</b> expression.h:82</div></div> |
| <div class="ttc" id="classmshadow_1_1expr_1_1Plan_html"><div class="ttname"><a href="classmshadow_1_1expr_1_1Plan.html">mshadow::expr::Plan</a></div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:58</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a95490e3fa6c9cc2d876f46101813f317"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a95490e3fa6c9cc2d876f46101813f317">mshadow::expr::PoolingExp::src_height_</a></div><div class="ttdeci">index_t src_height_</div><div class="ttdoc">source height shape[1] </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:53</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1TypeCheckPass_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1TypeCheckPass.html">mshadow::expr::TypeCheckPass</a></div><div class="ttdoc">used to help static type check </div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:330</div></div> |
| <div class="ttc" id="structmshadow_1_1Shape_html"><div class="ttname"><a href="structmshadow_1_1Shape.html">mshadow::Shape< srcdim ></a></div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a87a2f8dea4300ff77a98a83572ca23fb"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a87a2f8dea4300ff77a98a83572ca23fb">mshadow::expr::PoolingExp::ksize_y_</a></div><div class="ttdeci">index_t ksize_y_</div><div class="ttdoc">kernel size in height </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:45</div></div> |
| <div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> optional.h:251</div></div> |
| <div class="ttc" id="namespacemshadow_1_1expr_html_a9c0904ddf79b3f0df6d1b7747c71d921"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a9c0904ddf79b3f0df6d1b7747c71d921">mshadow::expr::pool</a></div><div class="ttdeci">PoolingExp< Reducer, SrcExp, DType, ExpInfo< SrcExp >::kDim > pool(const Exp< SrcExp, DType, etype > &src, index_t ksize_y, index_t ksize_x, index_t kstride_y, index_t kstride_x)</div><div class="ttdoc">pooling subregion results together </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:100</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_ab95e8c1880665da294f6e69ac2dc708b"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#ab95e8c1880665da294f6e69ac2dc708b">mshadow::expr::PoolingExp::PoolingExp</a></div><div class="ttdeci">PoolingExp(const SrcExp &src, index_t ksize_y, index_t ksize_x, index_t kstride_y, index_t kstride_x)</div><div class="ttdoc">constructor </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:57</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a46902e1b64dfea8aaa9382cbc86ae216"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a46902e1b64dfea8aaa9382cbc86ae216">mshadow::expr::PoolingExp::PoolingExp</a></div><div class="ttdeci">PoolingExp(const SrcExp &src, Shape< 2 > pshape, index_t ksize_y, index_t ksize_x, index_t kstride_y, index_t kstride_x)</div><div class="ttdoc">constructor, specify shape </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:71</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1ShapeCheck_html_af44e6a3b97cf3b245bc1b7ad4cacb306"><div class="ttname"><a href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">mshadow::expr::ShapeCheck::Check</a></div><div class="ttdeci">static Shape< dim > Check(const E &t)</div></div> |
| <div class="ttc" id="3rdparty_2mshadow_2mshadow_2base_8h_html_af205b8ab4d8733133d590df7d2639d69"><div class="ttname"><a href="3rdparty_2mshadow_2mshadow_2base_8h.html#af205b8ab4d8733133d590df7d2639d69">MSHADOW_XINLINE</a></div><div class="ttdeci">#define MSHADOW_XINLINE</div><div class="ttdef"><b>Definition:</b> base.h:230</div></div> |
| <div class="ttc" id="namespacemshadow_html_adcbc2e1131386fccb1474b0bdf045926"><div class="ttname"><a href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">mshadow::index_t</a></div><div class="ttdeci">int32_t index_t</div><div class="ttdoc">type that will be used for index </div><div class="ttdef"><b>Definition:</b> base.h:343</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_ae8c35b8142a26fa5e208f1d6e25c4c75"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#ae8c35b8142a26fa5e208f1d6e25c4c75">mshadow::expr::PoolingExp::kstride_y_</a></div><div class="ttdeci">index_t kstride_y_</div><div class="ttdoc">kernel stride in y directory </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:49</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a6d9539a126f13e28774e409f4d6c69fe"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a6d9539a126f13e28774e409f4d6c69fe">mshadow::expr::PoolingExp::kstride_x_</a></div><div class="ttdeci">index_t kstride_x_</div><div class="ttdoc">kernel stride in x directory </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:51</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1Exp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1Exp.html">mshadow::expr::Exp</a></div><div class="ttdoc">defines how expression exp can be evaluated and stored into dst </div><div class="ttdef"><b>Definition:</b> expression.h:79</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_aab57ef1700fe88f13ce906ef5757e55a"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#aab57ef1700fe88f13ce906ef5757e55a">mshadow::expr::PoolingExp::src_width_</a></div><div class="ttdeci">index_t src_width_</div><div class="ttdoc">source width shape[0] </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:55</div></div> |
| <div class="ttc" id="namespacemshadow_1_1expr_html_aefd008a0bf012dc8fb99d9bbcca7a078"><div class="ttname"><a href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">mshadow::expr::MakePlan</a></div><div class="ttdeci">Plan< BinaryMapExp< OP, TA, TB, DType, etype >, DType > MakePlan(const BinaryMapExp< OP, TA, TB, DType, etype > &e)</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:239</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1MakeTensorExp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1MakeTensorExp.html">mshadow::expr::MakeTensorExp</a></div><div class="ttdoc">a general class that allows extension that makes tensors of some shape </div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:43</div></div> |
| <div class="ttc" id="namespacemshadow_html"><div class="ttname"><a href="namespacemshadow.html">mshadow</a></div><div class="ttdoc">overloaded + operator between half_t and bf16_t </div><div class="ttdef"><b>Definition:</b> base.h:334</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_a7de70a6413d79b6da2272c31231191d8"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a7de70a6413d79b6da2272c31231191d8">mshadow::expr::Plan< PoolingExp< Reducer, SrcExp, DType, srcdim >, DType >::Eval</a></div><div class="ttdeci">MSHADOW_XINLINE DType Eval(index_t i, index_t j) const</div><div class="ttdef"><b>Definition:</b> spatial_pool.h:143</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html_a15c8573a6a56f4577a1bb06613ca9629"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html#a15c8573a6a56f4577a1bb06613ca9629">mshadow::expr::PoolingExp::src_</a></div><div class="ttdeci">const SrcExp & src_</div><div class="ttdoc">source operand </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:43</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1MakeTensorExp_html_a2a2f9b6b828035ea38bfb8620db42a82"><div class="ttname"><a href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">mshadow::expr::MakeTensorExp< PoolingExp< Reducer, SrcExp, DType, srcdim >, SrcExp, srcdim, DType >::shape_</a></div><div class="ttdeci">Shape< dim > shape_</div><div class="ttdoc">the shape of this expression </div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:47</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_a8c667911a28c5a88b6046bfb245d1820"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01PoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a8c667911a28c5a88b6046bfb245d1820">mshadow::expr::Plan< PoolingExp< Reducer, SrcExp, DType, srcdim >, DType >::Plan</a></div><div class="ttdeci">Plan(const PoolingExp< Reducer, SrcExp, DType, srcdim > &e)</div><div class="ttdef"><b>Definition:</b> spatial_pool.h:137</div></div> |
| <div class="ttc" id="structmshadow_1_1expr_1_1PoolingExp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1PoolingExp.html">mshadow::expr::PoolingExp</a></div><div class="ttdoc">pooling expression, do reduction over local patches of a image </div><div class="ttdef"><b>Definition:</b> spatial_pool.h:39</div></div> |
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