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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">//</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef EIGEN_RANDOMSETTER_H</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_RANDOMSETTER_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>Eigen { </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="structEigen_1_1StdMapTraits.html"> 19</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar> <span class="keyword">struct </span><a class="code" href="structEigen_1_1StdMapTraits.html">StdMapTraits</a></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> KeyType;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">typedef</span> std::map<KeyType,Scalar> Type;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  IsSorted = 1</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  };</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> setInvalidKey(Type&, <span class="keyword">const</span> KeyType&) {}</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> };</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#ifdef EIGEN_UNORDERED_MAP_SUPPORT</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar> <span class="keyword">struct </span>StdUnorderedMapTraits</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> KeyType;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">typedef</span> std::unordered_map<KeyType,Scalar> Type;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  IsSorted = 0</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  };</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> setInvalidKey(Type&, <span class="keyword">const</span> KeyType&) {}</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> };</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#endif // EIGEN_UNORDERED_MAP_SUPPORT</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#ifdef _DENSE_HASH_MAP_H_</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar> <span class="keyword">struct </span>GoogleDenseHashMapTraits</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> KeyType;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">typedef</span> google::dense_hash_map<KeyType,Scalar> Type;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  IsSorted = 0</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  };</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> setInvalidKey(Type& map, <span class="keyword">const</span> KeyType& k)</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  { map.set_empty_key(k); }</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> };</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#ifdef _SPARSE_HASH_MAP_H_</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar> <span class="keyword">struct </span>GoogleSparseHashMapTraits</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> KeyType;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">typedef</span> google::sparse_hash_map<KeyType,Scalar> Type;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  IsSorted = 0</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> setInvalidKey(Type&, <span class="keyword">const</span> KeyType&) {}</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> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">template</span><<span class="keyword">typename</span> SparseMatrixType,</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T> <span class="keyword">class </span>MapTraits =</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#if defined _DENSE_HASH_MAP_H_</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor"></span> GoogleDenseHashMapTraits</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#elif defined _HASH_MAP</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"></span> GnuHashMapTraits</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor"></span> StdMapTraits</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor"></span> ,<span class="keywordtype">int</span> OuterPacketBits = 6></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classEigen_1_1RandomSetter.html"> 154</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1RandomSetter.html">RandomSetter</a></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::Scalar Scalar;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> SparseMatrixType::Index Index;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">struct </span>ScalarWrapper</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  ScalarWrapper() : value(0) {}</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  Scalar value;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  };</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> MapTraits<ScalarWrapper>::KeyType KeyType;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> MapTraits<ScalarWrapper>::Type HashMapType;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> OuterPacketMask = (1 << OuterPacketBits) - 1;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  SwapStorage = 1 - MapTraits<ScalarWrapper>::IsSorted,</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  TargetRowMajor = (SparseMatrixType::Flags & RowMajorBit) ? 1 : 0,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  SetterRowMajor = SwapStorage ? 1-TargetRowMajor : TargetRowMajor</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  };</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>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classEigen_1_1RandomSetter.html#a96b5dce4700ec9a2875b2e5532e6ad85"> 181</a></span>  <span class="keyword">inline</span> <a class="code" href="classEigen_1_1RandomSetter.html#a96b5dce4700ec9a2875b2e5532e6ad85">RandomSetter</a>(SparseMatrixType& target)</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  : mp_target(&target)</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  {</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keyword">const</span> Index outerSize = SwapStorage ? target.innerSize() : target.outerSize();</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keyword">const</span> Index innerSize = SwapStorage ? target.outerSize() : target.innerSize();</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  m_outerPackets = outerSize >> OuterPacketBits;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordflow">if</span> (outerSize&OuterPacketMask)</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  m_outerPackets += 1;</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  m_hashmaps = <span class="keyword">new</span> HashMapType[m_outerPackets];</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="comment">// compute number of bits needed to store inner indices</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  Index aux = innerSize - 1;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  m_keyBitsOffset = 0;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">while</span> (aux)</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  ++m_keyBitsOffset;</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  aux = aux >> 1;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  }</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  KeyType ik = (1<<(OuterPacketBits+m_keyBitsOffset));</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">for</span> (Index k=0; k<m_outerPackets; ++k)</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  MapTraits<ScalarWrapper>::setInvalidKey(m_hashmaps[k],ik);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="comment">// insert current coeffs</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">for</span> (Index j=0; j<mp_target->outerSize(); ++j)</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> SparseMatrixType::InnerIterator it(*mp_target,j); it; ++it)</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  (*<span class="keyword">this</span>)(TargetRowMajor?j:it.index(), TargetRowMajor?it.index():j) = it.value();</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  }</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00209"></a><span class="lineno"><a class="line" href="classEigen_1_1RandomSetter.html#aa72ee212394d51949c7d8573d0c2fc05"> 209</a></span>  <a class="code" href="classEigen_1_1RandomSetter.html#aa72ee212394d51949c7d8573d0c2fc05">~RandomSetter</a>()</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  KeyType keyBitsMask = (1<<m_keyBitsOffset)-1;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">if</span> (!SwapStorage) <span class="comment">// also means the map is sorted</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  mp_target->setZero();</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  mp_target->makeCompressed();</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  mp_target->reserve(<a class="code" href="classEigen_1_1RandomSetter.html#abe29bfb5f2d88cf2a50ffb577ec6f0a4">nonZeros</a>());</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  Index prevOuter = -1;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">for</span> (Index k=0; k<m_outerPackets; ++k)</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  {</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="keyword">const</span> Index outerOffset = (1<<OuterPacketBits) * k;</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="keyword">typename</span> HashMapType::iterator end = m_hashmaps[k].end();</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> HashMapType::iterator it = m_hashmaps[k].begin(); it!=end; ++it)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">const</span> Index outer = (it->first >> m_keyBitsOffset) + outerOffset;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> Index inner = it->first & keyBitsMask;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (prevOuter!=outer)</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>  <span class="keywordflow">for</span> (Index j=prevOuter+1;j<=outer;++j)</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  mp_target->startVec(j);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  prevOuter = outer;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  mp_target->insertBackByOuterInner(outer, inner) = it->second.value;</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  mp_target->finalize();</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  VectorXi positions(mp_target->outerSize());</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  positions.setZero();</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="comment">// pass 1</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">for</span> (Index k=0; k<m_outerPackets; ++k)</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">typename</span> HashMapType::iterator end = m_hashmaps[k].end();</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> HashMapType::iterator it = m_hashmaps[k].begin(); it!=end; ++it)</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keyword">const</span> Index outer = it->first & keyBitsMask;</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  ++positions[outer];</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  }</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  }</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="comment">// prefix sum</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  Index count = 0;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="keywordflow">for</span> (Index j=0; j<mp_target->outerSize(); ++j)</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  {</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  Index tmp = positions[j];</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  mp_target->outerIndexPtr()[j] = count;</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  positions[j] = count;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  count += tmp;</div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  }</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  mp_target->makeCompressed();</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  mp_target->outerIndexPtr()[mp_target->outerSize()] = count;</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  mp_target->resizeNonZeros(count);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="comment">// pass 2</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">for</span> (Index k=0; k<m_outerPackets; ++k)</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keyword">const</span> Index outerOffset = (1<<OuterPacketBits) * k;</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keyword">typename</span> HashMapType::iterator end = m_hashmaps[k].end();</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> HashMapType::iterator it = m_hashmaps[k].begin(); it!=end; ++it)</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="keyword">const</span> Index inner = (it->first >> m_keyBitsOffset) + outerOffset;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">const</span> Index outer = it->first & keyBitsMask;</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// sorted insertion</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="comment">// Note that we have to deal with at most 2^OuterPacketBits unsorted coefficients,</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">// moreover those 2^OuterPacketBits coeffs are likely to be sparse, an so only a</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// small fraction of them have to be sorted, whence the following simple procedure:</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  Index posStart = mp_target->outerIndexPtr()[outer];</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  Index i = (positions[outer]++) - 1;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="keywordflow">while</span> ( (i >= posStart) && (mp_target->innerIndexPtr()[i] > inner) )</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  {</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  mp_target->valuePtr()[i+1] = mp_target->valuePtr()[i];</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  mp_target->innerIndexPtr()[i+1] = mp_target->innerIndexPtr()[i];</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  --i;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  mp_target->innerIndexPtr()[i+1] = inner;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  mp_target->valuePtr()[i+1] = it->second.value;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  }</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  }</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keyword">delete</span>[] m_hashmaps;</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="l00293"></a><span class="lineno"><a class="line" href="classEigen_1_1RandomSetter.html#ac40b13c3b1b753f4f6aa8c6885eec706"> 293</a></span>  Scalar& <a class="code" href="classEigen_1_1RandomSetter.html#ac40b13c3b1b753f4f6aa8c6885eec706">operator() </a>(Index row, Index col)</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  {</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="keyword">const</span> Index outer = SetterRowMajor ? row : col;</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="keyword">const</span> Index inner = SetterRowMajor ? col : row;</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="keyword">const</span> Index outerMajor = outer >> OuterPacketBits; <span class="comment">// index of the packet/map</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="keyword">const</span> Index outerMinor = outer & OuterPacketMask; <span class="comment">// index of the inner vector in the packet</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keyword">const</span> KeyType key = (KeyType(outerMinor)<<m_keyBitsOffset) | inner;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordflow">return</span> m_hashmaps[outerMajor][key].value;</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  }</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="classEigen_1_1RandomSetter.html#abe29bfb5f2d88cf2a50ffb577ec6f0a4"> 308</a></span>  Index <a class="code" href="classEigen_1_1RandomSetter.html#abe29bfb5f2d88cf2a50ffb577ec6f0a4">nonZeros</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  Index nz = 0;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">for</span> (Index k=0; k<m_outerPackets; ++k)</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  nz += static_cast<Index>(m_hashmaps[k].size());</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">return</span> nz;</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  }</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span> </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  HashMapType* m_hashmaps;</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  SparseMatrixType* mp_target;</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  Index m_outerPackets;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> m_keyBitsOffset;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> };</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> } <span class="comment">// end namespace Eigen</span></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> <span class="preprocessor">#endif // EIGEN_RANDOMSETTER_H</span></div>
<div class="ttc" id="structEigen_1_1StdMapTraits_html"><div class="ttname"><a href="structEigen_1_1StdMapTraits.html">Eigen::StdMapTraits</a></div><div class="ttdef"><b>Definition:</b> RandomSetter.h:19</div></div>
<div class="ttc" id="classEigen_1_1RandomSetter_html_abe29bfb5f2d88cf2a50ffb577ec6f0a4"><div class="ttname"><a href="classEigen_1_1RandomSetter.html#abe29bfb5f2d88cf2a50ffb577ec6f0a4">Eigen::RandomSetter::nonZeros</a></div><div class="ttdeci">Index nonZeros() const </div><div class="ttdef"><b>Definition:</b> RandomSetter.h:308</div></div>
<div class="ttc" id="classEigen_1_1RandomSetter_html"><div class="ttname"><a href="classEigen_1_1RandomSetter.html">Eigen::RandomSetter</a></div><div class="ttdoc">The RandomSetter is a wrapper object allowing to set/update a sparse matrix with random access...</div><div class="ttdef"><b>Definition:</b> RandomSetter.h:154</div></div>
<div class="ttc" id="classEigen_1_1RandomSetter_html_ac40b13c3b1b753f4f6aa8c6885eec706"><div class="ttname"><a href="classEigen_1_1RandomSetter.html#ac40b13c3b1b753f4f6aa8c6885eec706">Eigen::RandomSetter::operator()</a></div><div class="ttdeci">Scalar & operator()(Index row, Index col)</div><div class="ttdef"><b>Definition:</b> RandomSetter.h:293</div></div>
<div class="ttc" id="classEigen_1_1RandomSetter_html_aa72ee212394d51949c7d8573d0c2fc05"><div class="ttname"><a href="classEigen_1_1RandomSetter.html#aa72ee212394d51949c7d8573d0c2fc05">Eigen::RandomSetter::~RandomSetter</a></div><div class="ttdeci">~RandomSetter()</div><div class="ttdef"><b>Definition:</b> RandomSetter.h:209</div></div>
<div class="ttc" id="classEigen_1_1RandomSetter_html_a96b5dce4700ec9a2875b2e5532e6ad85"><div class="ttname"><a href="classEigen_1_1RandomSetter.html#a96b5dce4700ec9a2875b2e5532e6ad85">Eigen::RandomSetter::RandomSetter</a></div><div class="ttdeci">RandomSetter(SparseMatrixType &target)</div><div class="ttdef"><b>Definition:</b> RandomSetter.h:181</div></div>
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