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<a href="unpack__patch2col_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>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifndef MSHADOW_EXTENSION_UNPACK_PATCH2COL_H_</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#define MSHADOW_EXTENSION_UNPACK_PATCH2COL_H_</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &quot;../extension.h&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemshadow.html">mshadow</a> {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span>expr {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">template</span>&lt;<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="l00039"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html"> 39</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html">UnpackPatchToColXExp</a>:</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">public</span> <a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html">MakeTensorExp</a>&lt;UnpackPatchToColXExp&lt;SrcExp, DType, srcdim&gt;,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; SrcExp, 2, DType&gt;{</div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4b34aa00bd935e573caa339448f53e18"> 43</a></span>&#160; <span class="keyword">const</span> SrcExp &amp;<a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4b34aa00bd935e573caa339448f53e18">img_</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a62846422e0a386185591536a5673fa0f"> 45</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a62846422e0a386185591536a5673fa0f">psize_y_</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ad846f044070ff91290ddd867f96b9fed"> 47</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ad846f044070ff91290ddd867f96b9fed">psize_x_</a>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a471862eda1225190af0c6c22ca2eafa4"> 49</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a471862eda1225190af0c6c22ca2eafa4">pstride_y_</a>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4ed11533937090387f1a4b08c76bf84e"> 50</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4ed11533937090387f1a4b08c76bf84e">pstride_x_</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a19a26f673d74c4361607d59475b297ed"> 52</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a19a26f673d74c4361607d59475b297ed">pdilate_y_</a>;</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a05fe86ac3ac97c33274f88d858c33102"> 53</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a05fe86ac3ac97c33274f88d858c33102">pdilate_x_</a>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a235dfd748d7f056854984b52feead132"> 55</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a235dfd748d7f056854984b52feead132">i_channel_</a>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ac9154015985191c99545acc3a7efd2e3"> 57</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ac9154015985191c99545acc3a7efd2e3">i_height_</a>;</div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a16648a89c281647958dfe4f69a36ffe1"> 59</a></span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a16648a89c281647958dfe4f69a36ffe1">i_width_</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a5d11b3090d2d0d8e3fc063a1fc9ac34e"> 61</a></span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a5d11b3090d2d0d8e3fc063a1fc9ac34e">UnpackPatchToColXExp</a>(<span class="keyword">const</span> SrcExp &amp;img,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_y,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_x,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pstride_y,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pstride_x,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate_y,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate_x)</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; : <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4b34aa00bd935e573caa339448f53e18">img_</a>(img), <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a62846422e0a386185591536a5673fa0f">psize_y_</a>(psize_y), <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ad846f044070ff91290ddd867f96b9fed">psize_x_</a>(psize_x),</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a471862eda1225190af0c6c22ca2eafa4">pstride_y_</a>(pstride_y), <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4ed11533937090387f1a4b08c76bf84e">pstride_x_</a>(pstride_x),</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a19a26f673d74c4361607d59475b297ed">pdilate_y_</a>(pdilate_y), <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a05fe86ac3ac97c33274f88d858c33102">pdilate_x_</a>(pdilate_x){</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <a class="code" href="structmshadow_1_1Shape.html">Shape&lt;srcdim&gt;</a> imshape = <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html#af44e6a3b97cf3b245bc1b7ad4cacb306">ShapeCheck&lt;srcdim, SrcExp&gt;::Check</a>(<a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4b34aa00bd935e573caa339448f53e18">img_</a>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; CHECK(imshape[srcdim - 1] &gt;= psize_x &amp;&amp; imshape[srcdim - 2] &gt;= psize_y)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; &lt;&lt; <span class="stringliteral">&quot;UnpackPatchToCol:image shape smaller than patch size&quot;</span>;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; this-&gt;i_channel_ = imshape[srcdim - 3];</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; this-&gt;i_height_ = imshape[srcdim - 2];</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; this-&gt;i_width_ = imshape[srcdim - 1];</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="comment">// calculate number of batches</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> num = imshape.<a class="code" href="structmshadow_1_1Shape.html#a437b236671a35475edcf7aa5df2c6360">ProdShape</a>(0, srcdim - 3);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> o_height = (<a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ac9154015985191c99545acc3a7efd2e3">i_height_</a> -</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; (pdilate_y * (psize_y - 1) + 1)) / pstride_y + 1;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> o_width = (<a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a16648a89c281647958dfe4f69a36ffe1">i_width_</a> -</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; (pdilate_x * (psize_x - 1) + 1)) / pstride_x + 1;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; this-&gt;<a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[1] = o_height * o_width * num;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; this-&gt;<a class="code" href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">shape_</a>[0] = psize_y * psize_x * <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a235dfd748d7f056854984b52feead132">i_channel_</a>;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; }</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;};</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="keyword">template</span>&lt;<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="l00108"></a><span class="lineno"> 108</span>&#160;<span class="keyword">inline</span> UnpackPatchToColXExp&lt;SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#accfbe166febbee4c0bfb13a893479626"> 109</a></span>&#160;<a class="code" href="namespacemshadow_1_1expr.html#accfbe166febbee4c0bfb13a893479626">unpack_patch2col</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp&lt;SrcExp, DType, etype&gt;</a> &amp;img,</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pstride, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1TypeCheckPass.html">TypeCheckPass&lt;ExpInfo&lt;SrcExp&gt;::kDim</a> &gt;= 3&gt;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; ::Error_Expression_Does_Not_Meet_Dimension_Req();</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html">UnpackPatchToColXExp&lt;SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim</a>&gt;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; (img.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#adb7e4afd0baed78d66cff87de0a6621f">self</a>(), psize_y, psize_x, pstride, pstride, pdilate, pdilate);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160;}</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;<span class="keyword">template</span>&lt;<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="l00121"></a><span class="lineno"> 121</span>&#160;<span class="keyword">inline</span> UnpackPatchToColXExp&lt;SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim&gt;</div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a7a5e417277eb5b0d42416ebe37c46627"> 122</a></span>&#160;<a class="code" href="namespacemshadow_1_1expr.html#accfbe166febbee4c0bfb13a893479626">unpack_patch2col</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp&lt;SrcExp, DType, etype&gt;</a> &amp;img,</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_x, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pstride_y_, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pstride_x_,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate_y_, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate_x_) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <a class="code" href="structmshadow_1_1expr_1_1TypeCheckPass.html">TypeCheckPass&lt;ExpInfo&lt;SrcExp&gt;::kDim</a> &gt;= 3&gt;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; ::Error_Expression_Does_Not_Meet_Dimension_Req();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html">UnpackPatchToColXExp&lt;SrcExp, DType, ExpInfo&lt;SrcExp&gt;::kDim</a>&gt;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; (img.<a class="code" href="structmshadow_1_1expr_1_1Exp.html#adb7e4afd0baed78d66cff87de0a6621f">self</a>(), psize_y, psize_x, pstride_y_, pstride_x_, pdilate_y_, pdilate_x_);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;}</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;<span class="comment">//----------------------</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160;<span class="comment">// Execution plan</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<span class="comment">//----------------------</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="keyword">template</span>&lt;<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="l00134"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html"> 134</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_1UnpackPatchToColXExp.html">UnpackPatchToColXExp</a>&lt;SrcExp, DType, srcdim&gt;, DType&gt; {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00136"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a0973553f070a4ba980e70a1bc1d958a5"> 136</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a0973553f070a4ba980e70a1bc1d958a5">Plan</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html">UnpackPatchToColXExp&lt;SrcExp, DType, srcdim&gt;</a> &amp;e)</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; :src_(<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(e.img_)),</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; psize_y_(e.psize_y_), psize_x_(e.psize_x_),</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; pstride_y_(e.pstride_y_), pstride_x_(e.pstride_x_),</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; i_channel_(e.i_channel_), pdilate_y_(e.pdilate_y_), pdilate_x_(e.pdilate_x_),</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; i_height_(e.i_height_), i_width_(e.i_width_),</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; o_height_((i_height_ - (pdilate_y_ * (psize_y_ - 1) + 1)) / pstride_y_ + 1),</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; o_width_((i_width_ - (pdilate_x_ * (psize_x_ - 1) + 1)) / pstride_x_ + 1) {}</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a421ed34f5e3509e6c0b3fcdd8b87b8bd"> 144</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_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a421ed34f5e3509e6c0b3fcdd8b87b8bd">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="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x_offset = i % psize_x_ * pdilate_x_;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> idivp = i / psize_x_;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y_offset = idivp % psize_y_ * pdilate_y_;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> c = idivp / psize_y_;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x = (j % o_width_) * pstride_x_ + x_offset;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> jdivw = j / o_width_;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y = (jdivw % o_height_) * pstride_y_ + y_offset;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> n = jdivw / o_height_;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">if</span> (x &lt; i_width_ &amp;&amp; y &lt; i_height_) {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; <span class="keywordflow">return</span> src_.Eval((n * i_channel_ + c) * i_height_ + y, x);</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordflow">return</span> DType(0.0f);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; }</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan&lt;SrcExp, DType&gt;</a> src_;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> psize_y_, psize_x_, pstride_y_, pstride_x_, i_channel_;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> pdilate_y_, pdilate_x_;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keyword">const</span> <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> i_height_, i_width_, o_height_, o_width_;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160;};</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;} <span class="comment">// namespace expr</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;} <span class="comment">// namespace mshadow</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160;<span class="preprocessor">#endif // MSHADOW_EXTENSION_UNPACK_PATCH2COL_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_a421ed34f5e3509e6c0b3fcdd8b87b8bd"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a421ed34f5e3509e6c0b3fcdd8b87b8bd">mshadow::expr::Plan&lt; UnpackPatchToColXExp&lt; 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> unpack_patch2col.h:144</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_ad846f044070ff91290ddd867f96b9fed"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ad846f044070ff91290ddd867f96b9fed">mshadow::expr::UnpackPatchToColXExp::psize_x_</a></div><div class="ttdeci">index_t psize_x_</div><div class="ttdoc">patch width</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:47</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a471862eda1225190af0c6c22ca2eafa4"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a471862eda1225190af0c6c22ca2eafa4">mshadow::expr::UnpackPatchToColXExp::pstride_y_</a></div><div class="ttdeci">index_t pstride_y_</div><div class="ttdoc">patch stride</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:49</div></div>
<div class="ttc" id="astructmshadow_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 &amp; self(void) const</div><div class="ttdef"><b>Definition:</b> expression.h:82</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html">mshadow::expr::UnpackPatchToColXExp</a></div><div class="ttdoc">unpack local (overlap) patches of image to column of mat, can be used to implement convolution,...</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:39</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a62846422e0a386185591536a5673fa0f"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a62846422e0a386185591536a5673fa0f">mshadow::expr::UnpackPatchToColXExp::psize_y_</a></div><div class="ttdeci">index_t psize_y_</div><div class="ttdoc">patch height</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:45</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_ac9154015985191c99545acc3a7efd2e3"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#ac9154015985191c99545acc3a7efd2e3">mshadow::expr::UnpackPatchToColXExp::i_height_</a></div><div class="ttdeci">index_t i_height_</div><div class="ttdoc">height of img</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:57</div></div>
<div class="ttc" id="a3rdparty_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:228</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a4ed11533937090387f1a4b08c76bf84e"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4ed11533937090387f1a4b08c76bf84e">mshadow::expr::UnpackPatchToColXExp::pstride_x_</a></div><div class="ttdeci">index_t pstride_x_</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:50</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4_html_a0973553f070a4ba980e70a1bc1d958a5"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01UnpackPatchToColXExp_3_01SrcExp_00_01DType_00_01srcdim_01_4_00_01DType_01_4.html#a0973553f070a4ba980e70a1bc1d958a5">mshadow::expr::Plan&lt; UnpackPatchToColXExp&lt; SrcExp, DType, srcdim &gt;, DType &gt;::Plan</a></div><div class="ttdeci">Plan(const UnpackPatchToColXExp&lt; SrcExp, DType, srcdim &gt; &amp;e)</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:136</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a05fe86ac3ac97c33274f88d858c33102"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a05fe86ac3ac97c33274f88d858c33102">mshadow::expr::UnpackPatchToColXExp::pdilate_x_</a></div><div class="ttdeci">index_t pdilate_x_</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:53</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a5d11b3090d2d0d8e3fc063a1fc9ac34e"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a5d11b3090d2d0d8e3fc063a1fc9ac34e">mshadow::expr::UnpackPatchToColXExp::UnpackPatchToColXExp</a></div><div class="ttdeci">UnpackPatchToColXExp(const SrcExp &amp;img, index_t psize_y, index_t psize_x, index_t pstride_y, index_t pstride_x, index_t pdilate_y, index_t pdilate_x)</div><div class="ttdoc">constructor</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:61</div></div>
<div class="ttc" id="anamespacemshadow_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:239</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1MakeTensorExp_html_a2a2f9b6b828035ea38bfb8620db42a82"><div class="ttname"><a href="structmshadow_1_1expr_1_1MakeTensorExp.html#a2a2f9b6b828035ea38bfb8620db42a82">mshadow::expr::MakeTensorExp&lt; UnpackPatchToColXExp&lt; SrcExp, DType, srcdim &gt;, SrcExp, 2, 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:47</div></div>
<div class="ttc" id="anamespacemshadow_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:328</div></div>
<div class="ttc" id="aclassmshadow_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="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a19a26f673d74c4361607d59475b297ed"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a19a26f673d74c4361607d59475b297ed">mshadow::expr::UnpackPatchToColXExp::pdilate_y_</a></div><div class="ttdeci">index_t pdilate_y_</div><div class="ttdoc">patch dilate</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:52</div></div>
<div class="ttc" id="astructmshadow_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="anamespacemshadow_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:319</div></div>
<div class="ttc" id="astructmshadow_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="astructmshadow_1_1Shape_html"><div class="ttname"><a href="structmshadow_1_1Shape.html">mshadow::Shape&lt; srcdim &gt;</a></div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a16648a89c281647958dfe4f69a36ffe1"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a16648a89c281647958dfe4f69a36ffe1">mshadow::expr::UnpackPatchToColXExp::i_width_</a></div><div class="ttdeci">index_t i_width_</div><div class="ttdoc">width of img</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:59</div></div>
<div class="ttc" id="astructmshadow_1_1Shape_html_a437b236671a35475edcf7aa5df2c6360"><div class="ttname"><a href="structmshadow_1_1Shape.html#a437b236671a35475edcf7aa5df2c6360">mshadow::Shape::ProdShape</a></div><div class="ttdeci">MSHADOW_XINLINE index_t ProdShape(int dimstart, int dimend) const</div><div class="ttdef"><b>Definition:</b> tensor.h:171</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a4b34aa00bd935e573caa339448f53e18"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a4b34aa00bd935e573caa339448f53e18">mshadow::expr::UnpackPatchToColXExp::img_</a></div><div class="ttdeci">const SrcExp &amp; img_</div><div class="ttdoc">source operand</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:43</div></div>
<div class="ttc" id="anamespacemshadow_1_1expr_html_accfbe166febbee4c0bfb13a893479626"><div class="ttname"><a href="namespacemshadow_1_1expr.html#accfbe166febbee4c0bfb13a893479626">mshadow::expr::unpack_patch2col</a></div><div class="ttdeci">UnpackPatchToColXExp&lt; SrcExp, DType, ExpInfo&lt; SrcExp &gt;::kDim &gt; unpack_patch2col(const Exp&lt; SrcExp, DType, etype &gt; &amp;img, index_t psize_y, index_t psize_x, index_t pstride, index_t pdilate)</div><div class="ttdoc">unpack local (overlap) patches of image to column of mat, can be used to implement convolution after ...</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:109</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1UnpackPatchToColXExp_html_a235dfd748d7f056854984b52feead132"><div class="ttname"><a href="structmshadow_1_1expr_1_1UnpackPatchToColXExp.html#a235dfd748d7f056854984b52feead132">mshadow::expr::UnpackPatchToColXExp::i_channel_</a></div><div class="ttdeci">index_t i_channel_</div><div class="ttdoc">number of input channel</div><div class="ttdef"><b>Definition:</b> unpack_patch2col.h:55</div></div>
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