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<li class="navelem"><a class="el" href="dir_8cab8f464681f7cc51cee77e79a434cd.html">3rdparty</a></li><li class="navelem"><a class="el" href="dir_3e48ced36faa4eaa1b41f6d960bf0edb.html">mshadow</a></li><li class="navelem"><a class="el" href="dir_00b035bb2ad81894e6ad291054ea5f82.html">mshadow</a></li><li class="navelem"><a class="el" href="dir_9bd2a322a448ef0abedd860cb1ca3721.html">extension</a></li> </ul>
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<a href="spatial__unpool_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;</div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#ifndef MSHADOW_EXTENSION_SPATIAL_UNPOOL_H_</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#define MSHADOW_EXTENSION_SPATIAL_UNPOOL_H_</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &lt;algorithm&gt;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;../extension.h&quot;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemshadow.html">mshadow</a> {</div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="keyword">namespace </span>expr {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> srcdim&gt;</div><div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html"> 21</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html">UnPoolingExp</a>:</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160; <span class="keyword">public</span> <a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html">MakeTensorExp</a>&lt;UnPoolingExp&lt;Reducer, SrcExp, DType, srcdim&gt;,</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160; SrcExp, srcdim, DType&gt; {</div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58"> 25</a></span>&#160; <span class="keyword">const</span> SrcExp &amp;<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">data_src_</a>;</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0"> 27</a></span>&#160; <span class="keyword">const</span> SrcExp &amp;<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">data_pooled_</a>;</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f"> 29</a></span>&#160; <span class="keyword">const</span> SrcExp &amp;<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">grad_pooled_</a>;</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba"> 31</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a>;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be"> 33</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">pshape_x_</a>;</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7"> 35</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a>;</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b"> 37</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a>;</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84"> 39</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>;</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690"> 41</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a5b2ffb45ec06319d5fd5a836e0b241c5"> 43</a></span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a5b2ffb45ec06319d5fd5a836e0b241c5">UnPoolingExp</a>(<span class="keyword">const</span> SrcExp &amp;data_src,</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keyword">const</span> SrcExp &amp;data_pooled,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">const</span> SrcExp &amp;grad_pooled,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <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="l00047"></a><span class="lineno"> 47</span>&#160; : data_src_(data_src), data_pooled_(data_pooled),</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; grad_pooled_(grad_pooled),</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; ksize_y_(ksize_y), ksize_x_(ksize_x),</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; kstride_y_(kstride_y), kstride_x_(kstride_x) {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; <a class="code" href="structmshadow_1_1Shape.html">Shape&lt;srcdim&gt;</a> pshape = <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">ShapeCheck&lt;srcdim, SrcExp&gt;::Check</a>(grad_pooled);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keyword">typedef</span> <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html">ShapeCheck&lt;srcdim, SrcExp&gt;</a> ShapeCheckSrcDimSrcExp;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; CHECK_EQ(pshape, ShapeCheckSrcDimSrcExp::Check(data_pooled))</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; &lt;&lt; <span class="stringliteral">&quot;UnPoolingExp: pooled shape mismatch&quot;</span>;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="structmshadow_1_1Shape.html">Shape&lt;srcdim&gt;</a> sshape = <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">ShapeCheck&lt;srcdim, SrcExp&gt;::Check</a>(data_src);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">for</span> (<span class="keywordtype">int</span> k = 0; k &lt; srcdim - 2; ++k) {</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; CHECK_EQ(pshape[k], sshape[k]) &lt;&lt; <span class="stringliteral">&quot;UnPoolingExp: pool and src shape mismatch&quot;</span>;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; }</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; pshape_x_ = pshape[srcdim - 1];</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; pshape_y_ = pshape[srcdim - 2];</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; this-&gt;<a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a> = sshape;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;};</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> etype&gt;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;<span class="keyword">inline</span> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html">UnPoolingExp&lt;Reducer, SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim</a>&gt;</div><div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a97ebe62780c3f35287a9d91eca852326"> 82</a></span>&#160;<a class="code" href="namespacemshadow_1_1expr.html#a97ebe62780c3f35287a9d91eca852326">unpool</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp&lt;SrcExp, DType, etype&gt;</a> &amp;data_src,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; <span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp&lt;SrcExp, DType, etype&gt;</a> &amp;data_pooled,</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp&lt;SrcExp, DType, etype&gt;</a> &amp;grad_pooled,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <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="l00086"></a><span class="lineno"> 86</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html">UnPoolingExp&lt;Reducer, SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim</a>&gt;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; (data_src.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#a99e5454eca73df87ecf8b66d3b3470f5">self</a>(), data_pooled.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#a99e5454eca73df87ecf8b66d3b3470f5">self</a>(), grad_pooled.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#a99e5454eca73df87ecf8b66d3b3470f5">self</a>(),</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; ksize_y, ksize_x, kstride_y, kstride_x);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;}</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;<span class="comment">//----------------------</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160;<span class="comment">// Execution plan</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="comment">//----------------------</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Reducer, <span class="keyword">typename</span> SrcExp, <span class="keyword">typename</span> DType, <span class="keywordtype">int</span> srcdim&gt;</div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html"> 94</a></span>&#160;<span class="keyword">struct </span><a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan</a>&lt;<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html">UnPoolingExp</a>&lt;Reducer, SrcExp, DType, srcdim&gt;, DType&gt; {</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; <span class="keyword">public</span>:</div><div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ae4292be44cb7ed610453bd61a64b5a3e"> 96</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ae4292be44cb7ed610453bd61a64b5a3e">Plan</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html">UnPoolingExp&lt;Reducer, SrcExp, DType, srcdim&gt;</a> &amp;e)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; : <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">data_src_</a>(<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">data_src_</a>)), <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">data_pooled_</a>(<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">data_pooled_</a>)),</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">grad_pooled_</a>(<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">grad_pooled_</a>)), sshape_y_(e.<a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[srcdim - 2]),</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a>), <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">pshape_x_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">pshape_x_</a>),</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a>), <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a>),</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>), <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>(e.<a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>) {}</div><div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ad9b623369eb7bdb6b653635c8b3be6a2"> 102</a></span>&#160; <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_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ad9b623369eb7bdb6b653635c8b3be6a2">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="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x = j;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y = i % sshape_y_;</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> c = i / sshape_y_;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="keyword">const</span> DType vsrc = <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">data_src_</a>.Eval(i, j);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> py_min =</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; y &lt; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a> ? 0 : (y - <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a> + <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>) / <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> px_min =</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; x &lt; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a> ? 0 : (x - <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a> + <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>) / <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> py_max = min((y + <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>) / <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a>);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> px_max = min((x + <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>) / <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">pshape_x_</a>);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; DType val = <span class="keyword">static_cast&lt;</span>DType<span class="keyword">&gt;</span>(0);</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> py = py_min; py &lt; py_max; ++py) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> px = px_min; px &lt; px_max; ++px) {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; val += Reducer::PartialGrad(vsrc,</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">data_pooled_</a>.Eval(c * <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a> + py, px)) *</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">grad_pooled_</a>.Eval(c * <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a> + py, px);</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; }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keywordflow">return</span> val;</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"> 127</span>&#160; <span class="keyword">private</span>:</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan&lt;SrcExp, DType&gt;</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">data_src_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">data_pooled_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">grad_pooled_</a>;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> sshape_y_, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">pshape_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">pshape_x_</a>;</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">ksize_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">ksize_x_</a>;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">kstride_y_</a>, <a class="code" href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">kstride_x_</a>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;};</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;} <span class="comment">// namespace expr</span></div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;} <span class="comment">// namespace mshadow</span></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;<span class="preprocessor">#endif // MSHADOW_EXTENSION_SPATIAL_UNPOOL_H_</span></div><div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_a12bafa72db1235aa17ec36433fdc122f"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#a12bafa72db1235aa17ec36433fdc122f">mshadow::expr::UnPoolingExp::grad_pooled_</a></div><div class="ttdeci">const SrcExp &amp; grad_pooled_</div><div class="ttdoc">gradient data of pooled part, to be propgate down </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:29</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:40</div></div>
<div class="ttc" id="structmshadow_1_1Shape_html"><div class="ttname"><a href="structmshadow_1_1Shape.html">mshadow::Shape&lt; srcdim &gt;</a></div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_a237e0616f775e80e52f2f45fa19c0690"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#a237e0616f775e80e52f2f45fa19c0690">mshadow::expr::UnPoolingExp::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_unpool.h:41</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:241</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_a7435e0da28c1fbe35fa80bf059ffff0b"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#a7435e0da28c1fbe35fa80bf059ffff0b">mshadow::expr::UnPoolingExp::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_unpool.h:37</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_ad27fbbad4647e70327be07a6381d50be"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad27fbbad4647e70327be07a6381d50be">mshadow::expr::UnPoolingExp::pshape_x_</a></div><div class="ttdeci">index_t pshape_x_</div><div class="ttdoc">shape of pooled expression </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:33</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_ad89c2ab870fff335d58238d310d41ce0"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad89c2ab870fff335d58238d310d41ce0">mshadow::expr::UnPoolingExp::data_pooled_</a></div><div class="ttdeci">const SrcExp &amp; data_pooled_</div><div class="ttdoc">result of pooled data, corresponds to result of pooling </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:27</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html">mshadow::expr::UnPoolingExp</a></div><div class="ttdoc">unpooling expr reverse operation of pooling, used to pass gradient back </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:21</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&lt; dim &gt; Check(const E &amp;t)</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_aef5206bf70ed1409be16dd453ad52e58"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#aef5206bf70ed1409be16dd453ad52e58">mshadow::expr::UnPoolingExp::data_src_</a></div><div class="ttdeci">const SrcExp &amp; data_src_</div><div class="ttdoc">source input, corresponds to src in pooling </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:25</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:204</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:291</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_ae4292be44cb7ed610453bd61a64b5a3e"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ae4292be44cb7ed610453bd61a64b5a3e">mshadow::expr::Plan&lt; UnPoolingExp&lt; Reducer, SrcExp, DType, srcdim &gt;, DType &gt;::Plan</a></div><div class="ttdeci">Plan(const UnPoolingExp&lt; Reducer, SrcExp, DType, srcdim &gt; &amp;e)</div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:96</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1ShapeCheck_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1ShapeCheck.html">mshadow::expr::ShapeCheck</a></div><div class="ttdoc">runtime shape checking template get the shape of an expression, report error if shape mismatch ...</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:346</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_ad862c29476b4a7fcd1be5ea94f1123ba"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#ad862c29476b4a7fcd1be5ea94f1123ba">mshadow::expr::UnPoolingExp::pshape_y_</a></div><div class="ttdeci">index_t pshape_y_</div><div class="ttdoc">shape of pooled expression </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:31</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_a5b2ffb45ec06319d5fd5a836e0b241c5"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#a5b2ffb45ec06319d5fd5a836e0b241c5">mshadow::expr::UnPoolingExp::UnPoolingExp</a></div><div class="ttdeci">UnPoolingExp(const SrcExp &amp;data_src, const SrcExp &amp;data_pooled, const SrcExp &amp;grad_pooled, 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_unpool.h:43</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:61</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1Exp_html_a99e5454eca73df87ecf8b66d3b3470f5"><div class="ttname"><a href="structmshadow_1_1expr_1_1Exp.html#a99e5454eca73df87ecf8b66d3b3470f5">mshadow::expr::Exp::self</a></div><div class="ttdeci">const SubType &amp; self(void) const </div><div class="ttdef"><b>Definition:</b> expression.h:64</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&lt; BinaryMapExp&lt; OP, TA, TB, DType, etype &gt;, DType &gt; MakePlan(const BinaryMapExp&lt; OP, TA, TB, DType, etype &gt; &amp;e)</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:221</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:25</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_a67f46862decc531c798c8450d35343e7"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#a67f46862decc531c798c8450d35343e7">mshadow::expr::UnPoolingExp::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_unpool.h:35</div></div>
<div class="ttc" id="namespacemshadow_html"><div class="ttname"><a href="namespacemshadow.html">mshadow</a></div><div class="ttdoc">namespace for mshadow </div><div class="ttdef"><b>Definition:</b> base.h:282</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_ad9b623369eb7bdb6b653635c8b3be6a2"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01UnPoolingExp_3_01Reducer_00_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#ad9b623369eb7bdb6b653635c8b3be6a2">mshadow::expr::Plan&lt; UnPoolingExp&lt; Reducer, SrcExp, DType, srcdim &gt;, DType &gt;::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_unpool.h:102</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&lt; UnPoolingExp&lt; Reducer, SrcExp, DType, srcdim &gt;, SrcExp, srcdim, DType &gt;::shape_</a></div><div class="ttdeci">Shape&lt; dim &gt; shape_</div><div class="ttdoc">the shape of this expression </div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:29</div></div>
<div class="ttc" id="namespacemshadow_1_1expr_html_a97ebe62780c3f35287a9d91eca852326"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a97ebe62780c3f35287a9d91eca852326">mshadow::expr::unpool</a></div><div class="ttdeci">UnPoolingExp&lt; Reducer, SrcExp, DType, ExpInfo&lt; SrcExp &gt;::kDim &gt; unpool(const Exp&lt; SrcExp, DType, etype &gt; &amp;data_src, const Exp&lt; SrcExp, DType, etype &gt; &amp;data_pooled, const Exp&lt; SrcExp, DType, etype &gt; &amp;grad_pooled, index_t ksize_y, index_t ksize_x, index_t kstride_y, index_t kstride_x)</div><div class="ttdoc">unpooling gradient for 4D, backprop gradient value back, revserse operation of pooling, same as unpooling, but allows unequal size of kernel </div><div class="ttdef"><b>Definition:</b> spatial_unpool.h:82</div></div>
<div class="ttc" id="structmshadow_1_1expr_1_1UnPoolingExp_html_ac685c3ca02f4ec7a3286aef88fc8ec84"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnPoolingExp.html#ac685c3ca02f4ec7a3286aef88fc8ec84">mshadow::expr::UnPoolingExp::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_unpool.h:39</div></div>
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