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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="range_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Licensed to the Apache Software Foundation (ASF) under one</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> * or more contributor license agreements. See the NOTICE file</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * distributed with this work for additional information</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * regarding copyright ownership. The ASF licenses this file</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to you under the Apache License, Version 2.0 (the</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * under the License.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#ifndef MSHADOW_EXTENSION_RANGE_H_</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#define MSHADOW_EXTENSION_RANGE_H_</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="preprocessor">#include &quot;../extension.h&quot;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160; </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespacemshadow.html">mshadow</a> {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">namespace </span>expr {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html"> 42</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp</a>:</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; <span class="keyword">public</span> <a class="code" href="structmshadow_1_1expr_1_1Exp.html">Exp</a>&lt;RangeExp&lt;DType&gt;, DType, type::kMapper&gt; {</div>
<div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2"> 44</a></span>&#160; <span class="keyword">const</span> DType <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a>;</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a"> 45</a></span>&#160; <span class="keyword">const</span> DType <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705"> 46</a></span>&#160; <span class="keyword">const</span> DType <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580"> 47</a></span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">repeat_</a>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1RangeExp.html#a7ca0783f71bcd2650ed306da4cfc021b"> 49</a></span>&#160; <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a7ca0783f71bcd2650ed306da4cfc021b">RangeExp</a>(DType start, DType stop, DType step, <span class="keywordtype">int</span> repeat)</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; : <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a>(start), <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a>(stop), <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a>(step), <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">repeat_</a>(repeat) {}</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;};</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="keyword">inline</span> RangeExp&lt;DType&gt;</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#aa410e6e15bde87d5f889aedfdf96a64e"> 55</a></span>&#160;<a class="code" href="namespacemshadow_1_1expr.html#aa410e6e15bde87d5f889aedfdf96a64e">range</a>(DType start, DType stop, DType step = 1, <span class="keywordtype">int</span> repeat = 1) {</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordflow">return</span> <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp&lt;DType&gt;</a>(start, stop, step, repeat);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;}</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;<span class="comment">//----------------------</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment">// Execution plan</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment">//----------------------</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html"> 63</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_1RangeExp.html">RangeExp</a>&lt;DType&gt;, DType&gt; {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a3d16811d568fbfa5f2cacfdbfed0c72a"> 65</a></span>&#160; <span class="keyword">explicit</span> <a class="code" href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a3d16811d568fbfa5f2cacfdbfed0c72a">Plan</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp&lt;DType&gt;</a> &amp;e)</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; : start_(e.start_),</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; stop_(e.stop_),</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; step_(e.step_),</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; repeat_(e.repeat_) {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; }</div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a23d10933b395effbc34bc1e826cfb612"> 71</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_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a23d10933b395effbc34bc1e826cfb612">Eval</a>(<a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> y, <a class="code" href="namespacemshadow.html#adcbc2e1131386fccb1474b0bdf045926">index_t</a> x)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="keywordflow">return</span> start_ + <span class="keyword">static_cast&lt;</span>DType<span class="keyword">&gt;</span>((<span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(x) / repeat_)) * step_;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">const</span> DType start_;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; <span class="keyword">const</span> DType stop_;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keyword">const</span> DType step_;</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">const</span> <span class="keywordtype">int</span> repeat_;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;};</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;<span class="keyword">inline</span> Plan&lt;RangeExp&lt;DType&gt;, DType&gt;</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a7f9b952f7deb8167b873fc97ea99b32e"> 84</a></span>&#160;<a class="code" href="namespacemshadow_1_1expr.html#aefd008a0bf012dc8fb99d9bbcca7a078">MakePlan</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp&lt;DType&gt;</a> &amp;exp) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classmshadow_1_1expr_1_1Plan.html">Plan&lt;RangeExp&lt;DType&gt;</a>, DType&gt;(exp);</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="l00088"></a><span class="lineno"> 88</span>&#160; </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a8d07b01c4bc7b698cd70b6888377596d"> 90</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemshadow_1_1expr.html#a8d07b01c4bc7b698cd70b6888377596d">RangeOutSize</a>(DType start, DType stop, DType step, <span class="keywordtype">int</span> repeat) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordflow">return</span> repeat * ((stop - start - 1) / step + 1);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;}</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#ac2add701dc806c77146817e06981b07f"> 95</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemshadow_1_1expr.html#ac2add701dc806c77146817e06981b07f">RangeOutSize&lt;float&gt;</a>(<span class="keywordtype">float</span> start, <span class="keywordtype">float</span> stop, <span class="keywordtype">float</span> step, <span class="keywordtype">int</span> repeat) {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordtype">double</span> d_start = <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(start);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordtype">double</span> d_stop = <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(stop);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; <span class="keywordtype">double</span> d_step = <span class="keyword">static_cast&lt;</span><span class="keywordtype">double</span><span class="keyword">&gt;</span>(step);</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">return</span> repeat * <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(ceil((d_stop - d_start) / d_step));</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;}</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="namespacemshadow_1_1expr.html#a257516b643d0b87344407664e8c90914"> 103</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="namespacemshadow_1_1expr.html#a257516b643d0b87344407664e8c90914">RangeOutSize&lt;double&gt;</a>(<span class="keywordtype">double</span> start, <span class="keywordtype">double</span> stop, <span class="keywordtype">double</span> step, <span class="keywordtype">int</span> repeat) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; <span class="keywordflow">return</span> repeat * <span class="keyword">static_cast&lt;</span><span class="keywordtype">int</span><span class="keyword">&gt;</span>(ceil((stop - start) / step));</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;}</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="keyword">template</span>&lt;<span class="keywordtype">int</span> dim, <span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1ShapeCheck_3_01dim_00_01RangeExp_3_01DType_01_4_01_4.html"> 109</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1ShapeCheck.html">ShapeCheck</a>&lt;dim, <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp</a>&lt;DType&gt; &gt; {</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; <span class="keyword">inline</span> <span class="keyword">static</span> <a class="code" href="structmshadow_1_1Shape.html">Shape&lt;dim&gt;</a></div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1ShapeCheck_3_01dim_00_01RangeExp_3_01DType_01_4_01_4.html#a34149ce0b0a1e4b72dbd3af2e141ab60"> 111</a></span>&#160; <a class="code" href="structmshadow_1_1expr_1_1ShapeCheck_3_01dim_00_01RangeExp_3_01DType_01_4_01_4.html#a34149ce0b0a1e4b72dbd3af2e141ab60">Check</a>(<span class="keyword">const</span> <a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp&lt;DType&gt;</a> &amp;t) {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; CHECK(dim == 1)</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; &lt;&lt; <span class="stringliteral">&quot;RangeExp only support 1 dimension output, received &quot;</span> &lt;&lt; dim;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; CHECK(t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a> != 0)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; &lt;&lt; <span class="stringliteral">&quot;RangeExp does not support step=0, received &quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; CHECK(t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">repeat_</a> &gt; 0)</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; &lt;&lt; <span class="stringliteral">&quot;RangeExp only supports repeat &gt; 0, received &quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">repeat_</a>;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; <span class="keywordflow">if</span> (t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a> &gt; 0) {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; CHECK(t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a> &lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a>) &lt;&lt; <span class="stringliteral">&quot;RangeExp does not support (start, stop, step) = &quot;</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; &lt;&lt; <span class="stringliteral">&quot;(&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a> &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a> &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a> &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; CHECK(t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a> &gt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a>) &lt;&lt; <span class="stringliteral">&quot;RangeExp does not support (start, stop, step)= &quot;</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; &lt;&lt; <span class="stringliteral">&quot;(&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a> &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a> &lt;&lt; <span class="stringliteral">&quot;,&quot;</span> &lt;&lt; t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a> &lt;&lt; <span class="stringliteral">&quot;)&quot;</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespacemshadow.html#a05e468ef4d8882fccce53ae951b7bdbd">Shape1</a>(RangeOutSize&lt;DType&gt;(t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">start_</a>, t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">stop_</a>, t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">step_</a>, t.<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">repeat_</a>));</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;};</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> DType&gt;</div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1ExpInfo_3_01RangeExp_3_01DType_01_4_01_4.html"> 130</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structmshadow_1_1expr_1_1ExpInfo.html">ExpInfo</a>&lt;<a class="code" href="structmshadow_1_1expr_1_1RangeExp.html">RangeExp</a>&lt;DType&gt; &gt; {</div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1ExpInfo_3_01RangeExp_3_01DType_01_4_01_4.html#aa055e4b8f10459bb67c69a7b1928cc56"> 131</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="structmshadow_1_1expr_1_1ExpInfo.html#a0b0afc287b577f89dc3eb119c2fef778">kDim</a> = 1;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="structmshadow_1_1expr_1_1ExpInfo_3_01RangeExp_3_01DType_01_4_01_4.html#af5c863652530ac4e43448342b208a13a"> 132</a></span>&#160; <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="structmshadow_1_1expr_1_1ExpInfo.html#a610f3258c19b544f4056ea78c3259eb7">kDevMask</a> = 0xffff;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;};</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;} <span class="comment">// namespace expr</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160;} <span class="comment">// namespace mshadow</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160;<span class="preprocessor">#endif // MSHADOW_EXTENSION_RANGE_H_</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="astructmshadow_1_1expr_1_1ExpInfo_html_a610f3258c19b544f4056ea78c3259eb7"><div class="ttname"><a href="structmshadow_1_1expr_1_1ExpInfo.html#a610f3258c19b544f4056ea78c3259eb7">mshadow::expr::ExpInfo::kDevMask</a></div><div class="ttdeci">static const int kDevMask</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:264</div></div>
<div class="ttc" id="anamespacemshadow_1_1expr_html_ac2add701dc806c77146817e06981b07f"><div class="ttname"><a href="namespacemshadow_1_1expr.html#ac2add701dc806c77146817e06981b07f">mshadow::expr::RangeOutSize&lt; float &gt;</a></div><div class="ttdeci">int RangeOutSize&lt; float &gt;(float start, float stop, float step, int repeat)</div><div class="ttdef"><b>Definition:</b> range.h:95</div></div>
<div class="ttc" id="anamespacemshadow_1_1expr_html_a8d07b01c4bc7b698cd70b6888377596d"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a8d07b01c4bc7b698cd70b6888377596d">mshadow::expr::RangeOutSize</a></div><div class="ttdeci">int RangeOutSize(DType start, DType stop, DType step, int repeat)</div><div class="ttdef"><b>Definition:</b> range.h:90</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4_html_a23d10933b395effbc34bc1e826cfb612"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a23d10933b395effbc34bc1e826cfb612">mshadow::expr::Plan&lt; RangeExp&lt; DType &gt;, DType &gt;::Eval</a></div><div class="ttdeci">MSHADOW_XINLINE DType Eval(index_t y, index_t x) const</div><div class="ttdef"><b>Definition:</b> range.h:71</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_1RangeExp_html_a566715b3b6c2faa901eca526cc0c7fb2"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html#a566715b3b6c2faa901eca526cc0c7fb2">mshadow::expr::RangeExp::start_</a></div><div class="ttdeci">const DType start_</div><div class="ttdef"><b>Definition:</b> range.h:44</div></div>
<div class="ttc" id="astructmshadow_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:364</div></div>
<div class="ttc" id="anamespacemshadow_1_1expr_html_a257516b643d0b87344407664e8c90914"><div class="ttname"><a href="namespacemshadow_1_1expr.html#a257516b643d0b87344407664e8c90914">mshadow::expr::RangeOutSize&lt; double &gt;</a></div><div class="ttdeci">int RangeOutSize&lt; double &gt;(double start, double stop, double step, int repeat)</div><div class="ttdef"><b>Definition:</b> range.h:103</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1ExpInfo_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1ExpInfo.html">mshadow::expr::ExpInfo</a></div><div class="ttdoc">static type inference template, used to get the dimension of each expression, if ExpInfo&lt;E&gt;::kDim == ...</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:262</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1ShapeCheck_3_01dim_00_01RangeExp_3_01DType_01_4_01_4_html_a34149ce0b0a1e4b72dbd3af2e141ab60"><div class="ttname"><a href="structmshadow_1_1expr_1_1ShapeCheck_3_01dim_00_01RangeExp_3_01DType_01_4_01_4.html#a34149ce0b0a1e4b72dbd3af2e141ab60">mshadow::expr::ShapeCheck&lt; dim, RangeExp&lt; DType &gt; &gt;::Check</a></div><div class="ttdeci">static Shape&lt; dim &gt; Check(const RangeExp&lt; DType &gt; &amp;t)</div><div class="ttdef"><b>Definition:</b> range.h:111</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_1RangeExp_html_af135b07fde637436c3988643932d9705"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html#af135b07fde637436c3988643932d9705">mshadow::expr::RangeExp::step_</a></div><div class="ttdeci">const DType step_</div><div class="ttdef"><b>Definition:</b> range.h:46</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1RangeExp_html_afcfe50d103760227529718406c60e580"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html#afcfe50d103760227529718406c60e580">mshadow::expr::RangeExp::repeat_</a></div><div class="ttdeci">const int repeat_</div><div class="ttdef"><b>Definition:</b> range.h:47</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1RangeExp_html_a2f42a5b4dc60c44c27510c50a76fdd5a"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html#a2f42a5b4dc60c44c27510c50a76fdd5a">mshadow::expr::RangeExp::stop_</a></div><div class="ttdeci">const DType stop_</div><div class="ttdef"><b>Definition:</b> range.h:45</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1ExpInfo_html_a0b0afc287b577f89dc3eb119c2fef778"><div class="ttname"><a href="structmshadow_1_1expr_1_1ExpInfo.html#a0b0afc287b577f89dc3eb119c2fef778">mshadow::expr::ExpInfo::kDim</a></div><div class="ttdeci">static const int kDim</div><div class="ttdef"><b>Definition:</b> expr_engine-inl.h:263</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_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_1RangeExp_html"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html">mshadow::expr::RangeExp</a></div><div class="ttdoc">Generate a range vector similar to python: range(start, stop[, step][, repeat]). If step is positive,...</div><div class="ttdef"><b>Definition:</b> range.h:42</div></div>
<div class="ttc" id="astructmshadow_1_1Shape_html"><div class="ttname"><a href="structmshadow_1_1Shape.html">mshadow::Shape&lt; dim &gt;</a></div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4_html_a3d16811d568fbfa5f2cacfdbfed0c72a"><div class="ttname"><a href="structmshadow_1_1expr_1_1Plan_3_01RangeExp_3_01DType_01_4_00_01DType_01_4.html#a3d16811d568fbfa5f2cacfdbfed0c72a">mshadow::expr::Plan&lt; RangeExp&lt; DType &gt;, DType &gt;::Plan</a></div><div class="ttdeci">Plan(const RangeExp&lt; DType &gt; &amp;e)</div><div class="ttdef"><b>Definition:</b> range.h:65</div></div>
<div class="ttc" id="anamespacemshadow_html_a05e468ef4d8882fccce53ae951b7bdbd"><div class="ttname"><a href="namespacemshadow.html#a05e468ef4d8882fccce53ae951b7bdbd">mshadow::Shape1</a></div><div class="ttdeci">MSHADOW_XINLINE Shape&lt; 1 &gt; Shape1(index_t s0)</div><div class="ttdoc">construct a one dimension shape, stride will equal s0</div><div class="ttdef"><b>Definition:</b> tensor.h:220</div></div>
<div class="ttc" id="astructmshadow_1_1expr_1_1RangeExp_html_a7ca0783f71bcd2650ed306da4cfc021b"><div class="ttname"><a href="structmshadow_1_1expr_1_1RangeExp.html#a7ca0783f71bcd2650ed306da4cfc021b">mshadow::expr::RangeExp::RangeExp</a></div><div class="ttdeci">RangeExp(DType start, DType stop, DType step, int repeat)</div><div class="ttdoc">constructor</div><div class="ttdef"><b>Definition:</b> range.h:49</div></div>
<div class="ttc" id="anamespacemshadow_1_1expr_html_aa410e6e15bde87d5f889aedfdf96a64e"><div class="ttname"><a href="namespacemshadow_1_1expr.html#aa410e6e15bde87d5f889aedfdf96a64e">mshadow::expr::range</a></div><div class="ttdeci">RangeExp&lt; DType &gt; range(DType start, DType stop, DType step=1, int repeat=1)</div><div class="ttdef"><b>Definition:</b> range.h:55</div></div>
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