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 <span id="projectnumber">1.1.2</span>
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<div class="title">Matrix.h</div> </div>
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<a href="Matrix_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef math_Matrix_H__</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor"></span><span class="preprocessor">#define math_Matrix_H__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "../Self.h"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include <vector></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include <algorithm></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 <cstdlib></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="keyword">namespace </span>meow {</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">template</span><<span class="keyword">class</span> Entry></div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html"> 18</a></span> <span class="keyword">class </span><a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00020"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ab05bcd1bd8b1f8d4f250d6b3b87e023e"> 20</a></span>  <span class="keyword">typedef</span> std::vector<Entry>::reference <a class="code" href="classmeow_1_1Matrix.html#ab05bcd1bd8b1f8d4f250d6b3b87e023e">EntryRef</a> ;</div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981"> 21</a></span>  <span class="keyword">typedef</span> std::vector<Entry>::const_reference <a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981">EntryRefK</a>;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">struct </span>Myself {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keywordtype">size_t</span> rows_;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">size_t</span> cols_;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  std::vector<Entry> entries_;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  Myself():</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  rows_(0), cols_(0), entries_(0) {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  }</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  Myself(Myself <span class="keyword">const</span>& b):</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  rows_(b.rows_), cols_(b.cols_), entries_(b.entries_) {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  Myself(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e):</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  rows_(r), cols_(c), <a class="code" href="classmeow_1_1Matrix.html#a13384643dc412817fdcd8f1834a02d12" title="Change the entries from rFirst x cFirst to rLast x cLast.">entries</a>(r * c, e) {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  }</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  ~Myself() {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">size_t</span> index(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> r * cols_ + c;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  }</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  };</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classmeow_1_1Self.html">Self<Myself></a> <span class="keyword">const</span> <span class="keyword">self</span>;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29"> 53</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29" title="constructor">Matrix</a>(): self() { }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a5728557810b6c5444332557ac53597d5"> 62</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a5728557810b6c5444332557ac53597d5" title="constructor">Matrix</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m): self(m.self, COPY_FROM) {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#af0b4507ec5ea08e8f33aeb99f11e5f74"> 74</a></span>  <a class="code" href="classmeow_1_1Matrix.html#af0b4507ec5ea08e8f33aeb99f11e5f74" title="constructor">Matrix</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e): self(Myself(r, c, e)) {</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="l00078"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ae66fe3b4deb85b9b4c047f405a60f10e"> 78</a></span>  <a class="code" href="classmeow_1_1Matrix.html#ae66fe3b4deb85b9b4c047f405a60f10e" title="destructor">~Matrix</a>() { }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413"> 88</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413" title="copy">copyFrom</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m) {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keyword">self</span>().<a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413" title="copy">copyFrom</a>(m.self);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a1dbef5b1a46df480f7fa3e118fd12bec"> 101</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#a1dbef5b1a46df480f7fa3e118fd12bec" title="reference">referenceFrom</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">self</span>().<a class="code" href="classmeow_1_1Matrix.html#a1dbef5b1a46df480f7fa3e118fd12bec" title="reference">referenceFrom</a>(m.self);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</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="code" href="classmeow_1_1Matrix.html#ac17251cb984beb1f74558724a22a0120"> 107</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmeow_1_1Matrix.html#ac17251cb984beb1f74558724a22a0120" title="reset the size of the matrix to r x c with entry all be e ">reset</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">self</span>()->rows_ = r;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">self</span>()->cols_ = c;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keyword">self</span>()->entries_.clear();</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">self</span>()->entries_.resize(r * c, e);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a030758e4938c4d56a0b665e6a51d1405"> 115</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classmeow_1_1Matrix.html#a030758e4938c4d56a0b665e6a51d1405" title="Return whether it is a valid matrix.">valid</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> (<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() > 0 && <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() > 0);</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="l00120"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178"> 120</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>->rows_;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df"> 125</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>->cols_;</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> </div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a8e35443c856f669d02b352f091c0404c"> 130</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#a8e35443c856f669d02b352f091c0404c" title="Return number of rows times number of cols.">size</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() * <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>();</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#add7842aea9c5b0372f56656af0d43325"> 143</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#add7842aea9c5b0372f56656af0d43325" title="resize the matrix such that number of rows become r.">rows</a>(<span class="keywordtype">size_t</span> r, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (r != <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>()) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">self</span>()->entries_.resize(r * <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), e);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keyword">self</span>()->rows_ = r;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>();</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a30d16679bb6843c5e35aae81738f3306"> 160</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#a30d16679bb6843c5e35aae81738f3306" title="resize the matrix such that number of cols become c ">cols</a>(<span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (c != <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>()) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="classmeow_1_1Self.html">Self<Myself></a> <span class="keyword">const</span> old(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  old().<a class="code" href="classmeow_1_1Self.html#a9cd016a38a09f479fe2ed83eb1ebdae2" title="將給定的 Self 的資料複製到自己這裡">copyFrom</a>(<span class="keyword">self</span>);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">self</span>()->entries_.resize(<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() * c);</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">self</span>()->cols_ = c;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0, I = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); i < I; i++) {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">size_t</span> j, J1 = std::min(old->cols_, <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>()), J2 = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>();</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">for</span> (j = 0; j < J1; j++)</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">self</span>()->entries_[<span class="keyword">self</span>->index(i, j)] = old->entries_[old->index(i, j)];</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">for</span> (j = J1; j < J2; j++)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keyword">self</span>()->entries_[<span class="keyword">self</span>->index(i, j)] = e;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  }</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  }</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>();</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ac492cefa5df3a4ac6c9799931fb93605"> 187</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classmeow_1_1Matrix.html#ac492cefa5df3a4ac6c9799931fb93605" title="resize">size</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(c, e);</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(r, e);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() * <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>();</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00194"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4"> 194</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981">EntryRefK</a> <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>->entries_[<span class="keyword">self</span>->index(r, c)];</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a73dd7adb618b48aaabfa4d21ba08a33a"> 199</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981">EntryRefK</a> <a class="code" href="classmeow_1_1Matrix.html#a73dd7adb618b48aaabfa4d21ba08a33a" title="Change the entry at r x c.">entry</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keyword">self</span>()->entries_[self->index(r, c)] = e;</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  }</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  </div>
<div class="line"><a name="l00205"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ab49fa7564c37c6bc164dc368a94fed6b"> 205</a></span>  <a class="code" href="classmeow_1_1Matrix.html#ab05bcd1bd8b1f8d4f250d6b3b87e023e">EntryRef</a> <a class="code" href="classmeow_1_1Matrix.html#ab49fa7564c37c6bc164dc368a94fed6b" title="Get the entry at r x c.">entryGet</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c) {</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">return</span> <span class="keyword">self</span>()->entries_[self->index(r, c)];</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  }</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a13384643dc412817fdcd8f1834a02d12"> 219</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmeow_1_1Matrix.html#a13384643dc412817fdcd8f1834a02d12" title="Change the entries from rFirst x cFirst to rLast x cLast.">entries</a>(ssize_t rFirst, ssize_t rLast,</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  ssize_t cFirst, ssize_t cLast,</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">for</span> (ssize_t r = rFirst; r <= rLast; r++) {</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">for</span> (ssize_t c = cFirst; c <=cFirst; c++) {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, e);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  }</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a93ff4579b7cb950868cad7a62bcf9fe8"> 240</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a93ff4579b7cb950868cad7a62bcf9fe8" title="Return a rLast-rFirst+1 x cLast-cFirst+1 matrix.">subMatrix</a>(<span class="keywordtype">size_t</span> rFirst, <span class="keywordtype">size_t</span> rLast,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordtype">size_t</span> cFirst, <span class="keywordtype">size_t</span> cLast)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">if</span> (rFirst > rLast || cFirst > cLast) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29" title="constructor">Matrix</a>();</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (rFirst == 0 || cFirst == 0) {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a8e35443c856f669d02b352f091c0404c" title="Return number of rows times number of cols.">size</a>(rLast + 1, cLast + 1, Entry(0));</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  }</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(rLast - rFirst + 1, cLast - cFirst + 1, <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(rFirst, cFirst));</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = rFirst; r <= rLast; r++)</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = cFirst; c <= cLast; c++)</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r - rFirst, c - cFirst, <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c));</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ae623c8168ebf26473550d831f0254c4c"> 256</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#ae623c8168ebf26473550d831f0254c4c" title="Return the r -th row.">row</a>(<span class="keywordtype">size_t</span> r)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a93ff4579b7cb950868cad7a62bcf9fe8" title="Return a rLast-rFirst+1 x cLast-cFirst+1 matrix.">subMatrix</a>(r, r, 0, <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() - 1);</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  }</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a name="l00261"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a9dfef448574df55fc34528665183c6c2"> 261</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a9dfef448574df55fc34528665183c6c2" title="Return the c -th column.">col</a>(<span class="keywordtype">size_t</span> c)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a93ff4579b7cb950868cad7a62bcf9fe8" title="Return a rLast-rFirst+1 x cLast-cFirst+1 matrix.">subMatrix</a>(0, <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() - 1, c, c);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> </div>
<div class="line"><a name="l00266"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#aa43f03179e3218c9af28f7374757a2cc"> 266</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#aa43f03179e3218c9af28f7374757a2cc" title="return +(*this)">positive</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
<div class="line"><a name="l00271"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a581dbd8ba10d054596a3d11eaf47f274"> 271</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a581dbd8ba10d054596a3d11eaf47f274" title="return -(*this)">negative</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, -ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c));</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  }</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> </div>
<div class="line"><a name="l00283"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ac1030360f1f48119128d99428930cce6"> 283</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#ac1030360f1f48119128d99428930cce6" title="return (*this) + m.">add</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">if</span> (<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() != m.<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() || <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() != m.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>()) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29" title="constructor">Matrix</a>();</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c) + m.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c));</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  }</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ae89a9a7646f7b7c0f23756809c65dc8c"> 296</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#ae89a9a7646f7b7c0f23756809c65dc8c" title="return (*this) - m.">sub</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keywordflow">if</span> (<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() != m.<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() || <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() != m.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>()) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29" title="constructor">Matrix</a>();</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c) - m.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c));</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  }</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> </div>
<div class="line"><a name="l00309"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a30fdb794e5966585e93cf715646210dd"> 309</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a30fdb794e5966585e93cf715646210dd" title="return (*this) times m.">mul</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keywordflow">if</span> (<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() != m.<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>()) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a2dc9f17e38ba52376822744d2fc48f29" title="constructor">Matrix</a>();</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(), m.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), Entry(0));</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = m.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> k = 0, K = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); k < K; k++)</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, ret.entry(r, c) + <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, k) * m.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(k, c));</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  }</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00320"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a06ac197ecfa9bc8bd5e9d9094f2d01ab"> 320</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a06ac197ecfa9bc8bd5e9d9094f2d01ab" title="return (*this) times s. s is a scalar">mul</a>(Entry <span class="keyword">const</span>& s)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c) * s);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> </div>
<div class="line"><a name="l00329"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#aed17cc829d1e766d2c905d65cbae48ce"> 329</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#aed17cc829d1e766d2c905d65cbae48ce" title="return (*this) / s. s is a scalar">div</a>(Entry <span class="keyword">const</span>& s)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c) / s);</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> </div>
<div class="line"><a name="l00338"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a9987d4535f1de58b822325914e3a916f"> 338</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a9987d4535f1de58b822325914e3a916f" title="Return a identity matrix with size equal to itself.">identity</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#abc6f5c824ee47cb15094729ca91f2e7c" title="Let itself be an identity matrix.">identitied</a>();</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div>
<div class="line"><a name="l00349"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#abc6f5c824ee47cb15094729ca91f2e7c"> 349</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#abc6f5c824ee47cb15094729ca91f2e7c" title="Let itself be an identity matrix.">identitied</a>() {</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++)</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, (r == c ? Entry(1) : Entry(0)));</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div>
<div class="line"><a name="l00361"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#af6c3ae812c4290d29fb0932b655887dd"> 361</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#af6c3ae812c4290d29fb0932b655887dd" title="Return a matrix which is an inverse matrix of (*this)">inverse</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="keywordflow">if</span> (<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() != <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() || <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() == 0) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix<Entry></a>();</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> tmp(<a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(), <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>() * 2, Entry(0));</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); r < R; r++) {</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++) {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c));</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c + <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), (r == c ? Entry(1) : Entry(0)));</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  }</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#acf27e5ea48f42ceec61e933dfe269016" title="triangluar itself">triangulared</a>();</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">for</span> (ssize_t r = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>() - 1; r >= 0; r--) {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span> (tmp(r, r) == Entry(0)) <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix<Entry></a>();</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">for</span> (ssize_t r2 = r - 1; r2 >= 0; r2--) {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  Entry rat(-tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, r) / tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, r));</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = r, C = tmp.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++) {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c, tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c) + rat * tmp(r, c));</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  }</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  Entry rat(tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, r));</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), C = tmp.<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); c < C; c++) {</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c - <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), tmp.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c) / rat);</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  }</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  tmp.<a class="code" href="classmeow_1_1Matrix.html#a8e35443c856f669d02b352f091c0404c" title="Return number of rows times number of cols.">size</a>(<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(), Entry(0));</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> tmp;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a name="l00389"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ab7b158abdfe8ad1966cc3f0490743170"> 389</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#ab7b158abdfe8ad1966cc3f0490743170" title="let itself become itself's inverse matrix">inversed</a>() {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413" title="copy">copyFrom</a>(<a class="code" href="classmeow_1_1Matrix.html#af6c3ae812c4290d29fb0932b655887dd" title="Return a matrix which is an inverse matrix of (*this)">inverse</a>());</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div>
<div class="line"><a name="l00395"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a869be60b593d7ce7101ee7ac788b0dd0"> 395</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a869be60b593d7ce7101ee7ac788b0dd0" title="return itself's transpose matrix">transpose</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> ret(<a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(), <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(), Entry(0));</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); r < R; r++)</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c = 0, C = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(); c < C; c++)</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(c, r));</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  }</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> </div>
<div class="line"><a name="l00404"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a752bbc50fc06c7a6bfad8b4d09e19304"> 404</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#a752bbc50fc06c7a6bfad8b4d09e19304" title="Let itself become itself's transpose matrix.">transposed</a>() {</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413" title="copy">copyFrom</a>(<a class="code" href="classmeow_1_1Matrix.html#a869be60b593d7ce7101ee7ac788b0dd0" title="return itself's transpose matrix">transpose</a>());</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  }</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span> </div>
<div class="line"><a name="l00410"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a138c71b681404e054fa27cac5bb80d56"> 410</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a138c71b681404e054fa27cac5bb80d56" title="return a matrix which is the triangular form of (*this)">triangular</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix<Entry></a> ret(*<span class="keyword">this</span>);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  ret.<a class="code" href="classmeow_1_1Matrix.html#acf27e5ea48f42ceec61e933dfe269016" title="triangluar itself">triangulared</a>();</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> </div>
<div class="line"><a name="l00417"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#acf27e5ea48f42ceec61e933dfe269016"> 417</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#acf27e5ea48f42ceec61e933dfe269016" title="triangluar itself">triangulared</a>() {</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r = 0, c = 0, R = <a class="code" href="classmeow_1_1Matrix.html#a560adbe0b39f52bfb016edddc2955178" title="Return number of rows.">rows</a>(), C = <a class="code" href="classmeow_1_1Matrix.html#a4db3bb07e2557cbc668bdaa1beb241df" title="Return number of cols.">cols</a>(); r < R && c < C; r++) {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  ssize_t maxR;</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="keywordflow">for</span> ( ; c < C; c++) {</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  maxR = -1;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r2 = r; r2 < R; r2++)</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordflow">if</span> (maxR == -1 || <a class="code" href="namespacemeow.html#ae880337dfdcc67984a0dccdb50e5c5d0" title="就只是個取絕對值">tAbs</a>(<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c)) > <a class="code" href="namespacemeow.html#ae880337dfdcc67984a0dccdb50e5c5d0" title="就只是個取絕對值">tAbs</a>(<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(maxR, c)))</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  maxR = r2;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(maxR, c) != Entry(0)) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  }</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="keywordflow">if</span> (c >= C) <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">if</span> (maxR != (ssize_t)r) {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c2 = c; c2 < C; c2++)</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  std::swap(<span class="keyword">self</span>()->entries_[self->index( r, c2)],</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="keyword">self</span>()->entries_[self->index(maxR, c2)]);</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> r2 = r + 1; r2 < R; r2++) {</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  Entry rati = -<a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c) / <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c);</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c, Entry(0));</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> c2 = c + 1; c2 < C; c2++)</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c2, <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r2, c2) + <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c2) * rati);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  }</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span> </div>
<div class="line"><a name="l00444"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a50bf284fe7beae52bb1bd0868486a602"> 444</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a>& <a class="code" href="classmeow_1_1Matrix.html#a50bf284fe7beae52bb1bd0868486a602" title="same as copyFrom ">operator=</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m) {</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#afb81446984f7c27458ccef86be2de413" title="copy">copyFrom</a>(m);</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  }</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> </div>
<div class="line"><a name="l00449"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a37b9a0774b087006307acb3f95ad7f32"> 449</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981">EntryRefK</a> <a class="code" href="classmeow_1_1Matrix.html#a37b9a0774b087006307acb3f95ad7f32" title="same as entry(r,c) ">operator()</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c);</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  }</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> </div>
<div class="line"><a name="l00454"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a162d35e1ce93b7777c975efcdaa46992"> 454</a></span>  <a class="code" href="classmeow_1_1Matrix.html#a1ac7c3d6ad50154043969005fa292981">EntryRefK</a> <a class="code" href="classmeow_1_1Matrix.html#a162d35e1ce93b7777c975efcdaa46992" title="same as entry(r,c,e) ">operator()</a>(<span class="keywordtype">size_t</span> r, <span class="keywordtype">size_t</span> c, Entry <span class="keyword">const</span>& e) {</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a6adeb974bfb77936ed41e1a57726d7a4" title="Access the entry at r x c.">entry</a>(r, c, e);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> </div>
<div class="line"><a name="l00459"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#ade31d2339af552ba1df230c8383e2f84"> 459</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#ade31d2339af552ba1df230c8383e2f84" title="same as positive() ">operator+</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#aa43f03179e3218c9af28f7374757a2cc" title="return +(*this)">positive</a>();</div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  }</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> </div>
<div class="line"><a name="l00464"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a5d35d285b8cd59475e98f97966be68c1"> 464</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a5d35d285b8cd59475e98f97966be68c1" title="same as negative() ">operator-</a>()<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a581dbd8ba10d054596a3d11eaf47f274" title="return -(*this)">negative</a>();</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  }</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> </div>
<div class="line"><a name="l00469"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a8917cdb62ab6d8ed9572ac3303dbaab5"> 469</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a8917cdb62ab6d8ed9572ac3303dbaab5" title="same as add(m) ">operator+</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#ac1030360f1f48119128d99428930cce6" title="return (*this) + m.">add</a>(m);</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  }</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> </div>
<div class="line"><a name="l00474"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a955d9ddcb5b3467f8377ccae281ff4f5"> 474</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a955d9ddcb5b3467f8377ccae281ff4f5" title="same as sub(m) ">operator-</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#ae89a9a7646f7b7c0f23756809c65dc8c" title="return (*this) - m.">sub</a>(m);</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> </div>
<div class="line"><a name="l00479"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a913ed9a5df441a33fcf0dab1f35814c2"> 479</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a913ed9a5df441a33fcf0dab1f35814c2" title="same as mul(m) ">operator*</a>(<a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <span class="keyword">const</span>& m)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a30fdb794e5966585e93cf715646210dd" title="return (*this) times m.">mul</a>(m);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span> </div>
<div class="line"><a name="l00484"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a15d360e71c0880fed3c9873affb04341"> 484</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a15d360e71c0880fed3c9873affb04341" title="same as mul(m) ">operator*</a>(Entry <span class="keyword">const</span>& s)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#a30fdb794e5966585e93cf715646210dd" title="return (*this) times m.">mul</a>(s);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span> </div>
<div class="line"><a name="l00489"></a><span class="lineno"><a class="code" href="classmeow_1_1Matrix.html#a807c2a35579a429a2278956fc070f31a"> 489</a></span>  <a class="code" href="classmeow_1_1Matrix.html" title="matrix ">Matrix</a> <a class="code" href="classmeow_1_1Matrix.html#a807c2a35579a429a2278956fc070f31a" title="same as div(s) ">operator/</a>(Entry <span class="keyword">const</span>& s)<span class="keyword"> const </span>{</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="keywordflow">return</span> <a class="code" href="classmeow_1_1Matrix.html#aed17cc829d1e766d2c905d65cbae48ce" title="return (*this) / s. s is a scalar">div</a>(s);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> };</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> </div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span> } <span class="comment">// meow</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span> </div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="preprocessor">#endif // math_Matrix_H__</span></div>
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