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| <div class="title">array_view.h</div> </div> |
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| <a href="array__view_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>  </div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef DMLC_ARRAY_VIEW_H_</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define DMLC_ARRAY_VIEW_H_</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include <vector></span></div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include <array></span></div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div> |
| <div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="namespacedmlc.html"> 12</a></span> <span class="keyword">namespace </span><a class="code" href="namespacedmlc.html">dmlc</a> {</div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">template</span><<span class="keyword">typename</span> ValueType></div> |
| <div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html"> 36</a></span> <span class="keyword">class </span><a class="code" href="classdmlc_1_1array__view.html">array_view</a> {</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">public</span>:</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classdmlc_1_1array__view.html#aa2989cb96ead82941ca708f982eb1ecb">array_view</a>() = <span class="keywordflow">default</span>;</div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classdmlc_1_1array__view.html#aa2989cb96ead82941ca708f982eb1ecb">array_view</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1array__view.html">array_view<ValueType></a> &other) = <span class="keywordflow">default</span>; <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#ifndef _MSC_VER</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classdmlc_1_1array__view.html#aa2989cb96ead82941ca708f982eb1ecb">array_view</a>(<a class="code" href="classdmlc_1_1array__view.html">array_view<ValueType></a>&& other) = <span class="keywordflow">default</span>; <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#else</span></div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="classdmlc_1_1array__view.html#aa2989cb96ead82941ca708f982eb1ecb">array_view</a>(<a class="code" href="classdmlc_1_1array__view.html">array_view<ValueType></a>&& other) { <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  begin_ = other.begin_;</div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  size_ = other.size_;</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  other.begin_ = <span class="keyword">nullptr</span>;</div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  }</div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#endif</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classdmlc_1_1array__view.html">array_view<ValueType></a>& <a class="code" href="classdmlc_1_1array__view.html#a41d5a5be90fb8113b54abf924b0ef3c0">operator=</a>(<span class="keyword">const</span> <a class="code" href="classdmlc_1_1array__view.html">array_view<ValueType></a>& other) = <span class="keywordflow">default</span>; <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#a307c58c244afdeda8abd5597b8d7ddc4"> 72</a></span> <span class="comment"></span> <a class="code" href="classdmlc_1_1array__view.html#a307c58c244afdeda8abd5597b8d7ddc4">array_view</a>(<span class="keyword">const</span> std::vector<ValueType>& other) { <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">if</span> (other.size() != 0) {</div> |
| <div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  begin_ = &other[0]; size_ = other.size();</div> |
| <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div> |
| <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div> |
| <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">template</span><std::<span class="keywordtype">size_t</span> size></div> |
| <div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#ae3f605a722b266dfcac991964fb74f7c"> 82</a></span>  <a class="code" href="classdmlc_1_1array__view.html#ae3f605a722b266dfcac991964fb74f7c">array_view</a>(<span class="keyword">const</span> std::array<ValueType, size>& other) { <span class="comment">// NOLINT(*)</span></div> |
| <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (<a class="code" href="classdmlc_1_1array__view.html#af5ba06a92acbd6425bc86a6e7843c99d">size</a> != 0) {</div> |
| <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  begin_ = &other[0]; size_ = <a class="code" href="classdmlc_1_1array__view.html#af5ba06a92acbd6425bc86a6e7843c99d">size</a>;</div> |
| <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  }</div> |
| <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div> |
| <div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#a6d2423c90ee1c8adb1fab2be82a516e6"> 92</a></span>  <a class="code" href="classdmlc_1_1array__view.html#a6d2423c90ee1c8adb1fab2be82a516e6">array_view</a>(<span class="keyword">const</span> ValueType* <a class="code" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">begin</a>, <span class="keyword">const</span> ValueType* <a class="code" href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6">end</a>) {</div> |
| <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (<a class="code" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">begin</a> < <a class="code" href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6">end</a>) {</div> |
| <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  begin_ = <a class="code" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">begin</a>;</div> |
| <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  size_ = <a class="code" href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6">end</a> - <a class="code" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">begin</a>;</div> |
| <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  }</div> |
| <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div> |
| <div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#af5ba06a92acbd6425bc86a6e7843c99d"> 99</a></span>  <span class="keyword">inline</span> <span class="keywordtype">size_t</span> <a class="code" href="classdmlc_1_1array__view.html#af5ba06a92acbd6425bc86a6e7843c99d">size</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> size_;</div> |
| <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div> |
| <div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f"> 103</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> ValueType* <a class="code" href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">begin</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> begin_;</div> |
| <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  }</div> |
| <div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6"> 107</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> ValueType* <a class="code" href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6">end</a>()<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> begin_ + size_;</div> |
| <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div> |
| <div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classdmlc_1_1array__view.html#ac5dd843df7f5aa2c6ce3cbd13d12f42d"> 115</a></span>  <span class="keyword">inline</span> <span class="keyword">const</span> ValueType& <a class="code" href="classdmlc_1_1array__view.html#ac5dd843df7f5aa2c6ce3cbd13d12f42d">operator[]</a>(<span class="keywordtype">size_t</span> i)<span class="keyword"> const </span>{</div> |
| <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> begin_[i];</div> |
| <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  }</div> |
| <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  </div> |
| <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">private</span>:</div> |
| <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> ValueType* begin_{<span class="keyword">nullptr</span>};</div> |
| <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">size_t</span> size_{0};</div> |
| <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> };</div> |
| <div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  </div> |
| <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> } <span class="comment">// namespace dmlc</span></div> |
| <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div> |
| <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#endif // DMLC_ARRAY_VIEW_H_</span></div> |
| </div><!-- fragment --></div><!-- contents --> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_ae3f605a722b266dfcac991964fb74f7c"><div class="ttname"><a href="classdmlc_1_1array__view.html#ae3f605a722b266dfcac991964fb74f7c">dmlc::array_view::array_view</a></div><div class="ttdeci">array_view(const std::array< ValueType, size > &other)</div><div class="ttdoc">construct array std::array</div><div class="ttdef"><b>Definition:</b> array_view.h:82</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_aa2989cb96ead82941ca708f982eb1ecb"><div class="ttname"><a href="classdmlc_1_1array__view.html#aa2989cb96ead82941ca708f982eb1ecb">dmlc::array_view::array_view</a></div><div class="ttdeci">array_view()=default</div><div class="ttdoc">default constructor</div></div> |
| <div class="ttc" id="anamespacedmlc_html"><div class="ttname"><a href="namespacedmlc.html">dmlc</a></div><div class="ttdoc">namespace for dmlc</div><div class="ttdef"><b>Definition:</b> array_view.h:12</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_a368ee235e2e9587a06b30102b48450b6"><div class="ttname"><a href="classdmlc_1_1array__view.html#a368ee235e2e9587a06b30102b48450b6">dmlc::array_view::end</a></div><div class="ttdeci">const ValueType * end() const</div><div class="ttdef"><b>Definition:</b> array_view.h:107</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html"><div class="ttname"><a href="classdmlc_1_1array__view.html">dmlc::array_view</a></div><div class="ttdoc">Read only data structure to reference continuous memory region of array. Provide unified view for vec...</div><div class="ttdef"><b>Definition:</b> array_view.h:36</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_af5ba06a92acbd6425bc86a6e7843c99d"><div class="ttname"><a href="classdmlc_1_1array__view.html#af5ba06a92acbd6425bc86a6e7843c99d">dmlc::array_view::size</a></div><div class="ttdeci">size_t size() const</div><div class="ttdef"><b>Definition:</b> array_view.h:99</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_a40cb7a315bd0ae1db67bb1d8eadbc66f"><div class="ttname"><a href="classdmlc_1_1array__view.html#a40cb7a315bd0ae1db67bb1d8eadbc66f">dmlc::array_view::begin</a></div><div class="ttdeci">const ValueType * begin() const</div><div class="ttdef"><b>Definition:</b> array_view.h:103</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_a6d2423c90ee1c8adb1fab2be82a516e6"><div class="ttname"><a href="classdmlc_1_1array__view.html#a6d2423c90ee1c8adb1fab2be82a516e6">dmlc::array_view::array_view</a></div><div class="ttdeci">array_view(const ValueType *begin, const ValueType *end)</div><div class="ttdoc">construct array view from continuous segment</div><div class="ttdef"><b>Definition:</b> array_view.h:92</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_a307c58c244afdeda8abd5597b8d7ddc4"><div class="ttname"><a href="classdmlc_1_1array__view.html#a307c58c244afdeda8abd5597b8d7ddc4">dmlc::array_view::array_view</a></div><div class="ttdeci">array_view(const std::vector< ValueType > &other)</div><div class="ttdoc">construct array view std::vector</div><div class="ttdef"><b>Definition:</b> array_view.h:72</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_ac5dd843df7f5aa2c6ce3cbd13d12f42d"><div class="ttname"><a href="classdmlc_1_1array__view.html#ac5dd843df7f5aa2c6ce3cbd13d12f42d">dmlc::array_view::operator[]</a></div><div class="ttdeci">const ValueType & operator[](size_t i) const</div><div class="ttdoc">get i-th element from the view</div><div class="ttdef"><b>Definition:</b> array_view.h:115</div></div> |
| <div class="ttc" id="aclassdmlc_1_1array__view_html_a41d5a5be90fb8113b54abf924b0ef3c0"><div class="ttname"><a href="classdmlc_1_1array__view.html#a41d5a5be90fb8113b54abf924b0ef3c0">dmlc::array_view::operator=</a></div><div class="ttdeci">array_view< ValueType > & operator=(const array_view< ValueType > &other)=default</div><div class="ttdoc">default assign constructor</div></div> |
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