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<div class="title">bisect_util.hpp</div> </div>
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<a href="bisect__util_8hpp.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 VIENNACL_LINALG_CUDA_BISECT_BISECT_UTIL_HPP_</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_LINALG_CUDA_BISECT_BISECT_UTIL_HPP_</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> ViennaCL - The Vienna Computing Library</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> (A list of authors and contributors can be found in the manual)</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> License: MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">============================================================================= */</span></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> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// includes, project</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="config_8hpp.html">viennacl/linalg/detail/bisect/config.hpp</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="linalg_2detail_2bisect_2util_8hpp.html">viennacl/linalg/detail/bisect/util.hpp</a>"</span></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> <span class="keyword">namespace </span>viennacl</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>linalg</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">namespace </span>cuda</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> __device__</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">inline</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#aeb2b6de6231508e14fc1b8e63ea18d68"> 46</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#aeb2b6de6231508e14fc1b8e63ea18d68">floorPow2</a>(<span class="keywordtype">int</span> n)</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</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="comment">// early out if already power of two</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (0 == (n & (n-1)))</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  {</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> n;</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="keywordtype">int</span> exp;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  frexp((<span class="keywordtype">float</span>)n, &exp);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">return</span> (1 << (exp - 1));</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> }</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> __device__</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">inline</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a4c8d9251fff091344ae4f64dd6485fe2"> 66</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a4c8d9251fff091344ae4f64dd6485fe2">ceilPow2</a>(<span class="keywordtype">int</span> n)</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// early out if already power of two</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (0 == (n & (n-1)))</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="keywordflow">return</span> n;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</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="keywordtype">int</span> exp;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  frexp((<span class="keywordtype">float</span>)n, &exp);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">return</span> (1 << exp);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">template</span><<span class="keyword">typename</span> NumericT></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> __device__</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="keyword">inline</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a></div>
<div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6"> 89</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6">computeMidpoint</a>(<span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> left, <span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> right)</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</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>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> mid;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (<a class="code" href="namespaceviennacl_1_1linalg_1_1detail.html#a941b17c6f2ae63d40584cb9a9fd89f39">viennacl::linalg::detail::sign_f</a>(left) == <a class="code" href="namespaceviennacl_1_1linalg_1_1detail.html#a941b17c6f2ae63d40584cb9a9fd89f39">viennacl::linalg::detail::sign_f</a>(right))</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  mid = left + (right - left) * 0.5f;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  mid = (left + right) * 0.5f;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> mid;</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="l00121"></a><span class="lineno"> 121</span> <span class="keyword">template</span><<span class="keyword">class</span> S, <span class="keyword">class</span> T, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> __device__</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac"> 124</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac">storeInterval</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> right,</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  S left_count, S right_count,</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> precision)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  s_left_count[addr] = left_count;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  s_right_count[addr] = right_count;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="comment">// check if interval converged</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> t0 = abs(right - left);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> t1 = <a class="code" href="namespaceviennacl_1_1linalg.html#adfd5b21910a692a78c547b22b9157c2e">max</a>(abs(left), abs(right)) * precision;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span> (t0 <= <a class="code" href="namespaceviennacl_1_1linalg.html#adfd5b21910a692a78c547b22b9157c2e">max</a>(static_cast<NumericT>(<a class="code" href="config_8hpp.html#ad37f4af0725c7960b6450e315c10422e">VIENNACL_BISECT_MIN_ABS_INTERVAL</a>), t1))</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// compute mid point</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> lambda = <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6">computeMidpoint</a>(left, right);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="comment">// mark as converged</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  s_left[addr] = lambda;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  s_right[addr] = lambda;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  {</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>  <span class="comment">// store current limits</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  s_left[addr] = left;</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  s_right[addr] = right;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">template</span><<span class="keyword">typename</span> NumericT></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> __device__</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#ab24a81a05b199c53894e2dcc6f9b54fa"> 177</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ab24a81a05b199c53894e2dcc6f9b54fa">computeNumSmallerEigenvals</a>(<span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *g_d, <span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *g_s, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n,</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> x,</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid,</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_intervals_active,</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_d, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_s,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> converged</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> {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> </div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> delta = 1.0f;</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count = 0;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  __syncthreads();</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// read data into shared memory</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">if</span> (threadIdx.x < n)</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  s_d[threadIdx.x] = *(g_d + threadIdx.x);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  s_s[threadIdx.x] = *(g_s + threadIdx.x - 1);</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="l00198"></a><span class="lineno"> 198</span>  __syncthreads();</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// perform loop only for active threads</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordflow">if</span> ((tid < num_intervals_active) && (0 == converged))</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="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// perform (optimized) Gaussian elimination to determine the number</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// of eigenvalues that are smaller than n</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < n; ++k)</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>  delta = s_d[k] - x - (s_s[k] * s_s[k]) / delta;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  count += (delta < 0) ? 1 : 0;</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> </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  } <span class="comment">// end if thread currently processing an interval</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>  <span class="keywordflow">return</span> count;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> }</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="keyword">template</span><<span class="keyword">typename</span> NumericT></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> __device__</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#aab5eefe8daaa1533e4e6de64f1448a4f"> 237</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#aab5eefe8daaa1533e4e6de64f1448a4f">computeNumSmallerEigenvalsLarge</a>(<span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *g_d, <span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *g_s, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> n,</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="keyword">const</span> <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> x,</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid,</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_intervals_active,</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_d, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_s,</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> converged</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> {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> delta = 1.0f;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> count = 0;</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>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rem = n;</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>  <span class="comment">// do until whole diagonal and superdiagonal has been loaded and processed</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 0; i < n; i += blockDim.x)</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  {</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>  __syncthreads();</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">// read new chunk of data into shared memory</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">if</span> ((i + threadIdx.x) < n)</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="l00260"></a><span class="lineno"> 260</span>  s_d[threadIdx.x] = *(g_d + i + threadIdx.x);</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  s_s[threadIdx.x] = *(g_s + i + threadIdx.x - 1);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  }</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>  __syncthreads();</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> </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">if</span> (tid < num_intervals_active)</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="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// perform (optimized) Gaussian elimination to determine the number</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// of eigenvalues that are smaller than n</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> k = 0; k < <a class="code" href="namespaceviennacl_1_1linalg.html#ae0a4445a6d0f1d75e7157cdc23239027">min</a>(rem,blockDim.x); ++k)</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  delta = s_d[k] - x - (s_s[k] * s_s[k]) / delta;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="comment">// delta = (abs( delta) < (1.0e-10)) ? -(1.0e-10) : delta;</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  count += (delta < 0) ? 1 : 0;</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="l00279"></a><span class="lineno"> 279</span>  } <span class="comment">// end if thread currently processing an interval</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  rem -= blockDim.x;</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  }</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>  <span class="keywordflow">return</span> count;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> }</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="keyword">template</span><<span class="keyword">class</span> S, <span class="keyword">class</span> T, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> __device__</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#ae31db36470d0165a7358dad4853ff492"> 309</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ae31db36470d0165a7358dad4853ff492">storeNonEmptyIntervals</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr,</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_active,</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> mid, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> right,</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="keyword">const</span> S left_count,</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="keyword">const</span> S mid_count,</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keyword">const</span> S right_count,</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> precision,</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &compact_second_chunk,</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  T *s_compaction_list_exc,</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &is_active_second)</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> {</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="comment">// check if both child intervals are valid</span></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>  <span class="keywordflow">if</span> ((left_count != mid_count) && (mid_count != right_count))</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</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="comment">// store the left interval</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac">storeInterval</a>(addr, s_left, s_right, s_left_count, s_right_count,</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  left, mid, left_count, mid_count, precision);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// mark that a second interval has been generated, only stored after</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="comment">// stream compaction of second chunk</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  is_active_second = 1;</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  s_compaction_list_exc[threadIdx.x] = 1;</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  compact_second_chunk = 1;</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  }</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// only one non-empty child interval</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> </div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="comment">// mark that no second child</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  is_active_second = 0;</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  s_compaction_list_exc[threadIdx.x] = 0;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span> </div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="comment">// store the one valid child interval</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (left_count != mid_count)</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  {</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac">storeInterval</a>(addr, s_left, s_right, s_left_count, s_right_count,</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  left, mid, left_count, mid_count, precision);</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  }</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  {</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac">storeInterval</a>(addr, s_left, s_right, s_left_count, s_right_count,</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  mid, right, mid_count, right_count, precision);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span> </div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span> __device__</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a66880730e6885754d21e620a9739ade3"> 373</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a66880730e6885754d21e620a9739ade3">createIndicesCompaction</a>(T *s_compaction_list_exc,</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_compaction)</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span> {</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> </div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> offset = 1;</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid = threadIdx.x;</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="comment">// if(tid == 0)</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="comment">// printf("num_threads_compaction = %u\n", num_threads_compaction);</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">// higher levels of scan tree</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> d = (num_threads_compaction >> 1); d > 0; d >>= 1)</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  __syncthreads();</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> </div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (tid < d)</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> </div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ai = offset*(2*tid+1)-1;</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bi = offset*(2*tid+2)-1;</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  s_compaction_list_exc[bi] = s_compaction_list_exc[bi]</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  + s_compaction_list_exc[ai];</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  }</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  offset <<= 1;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  }</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="comment">// traverse down tree: first down to level 2 across</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> d = 2; d < num_threads_compaction; d <<= 1)</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  {</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  offset >>= 1;</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  __syncthreads();</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>  <span class="keywordflow">if</span> (tid < (d-1))</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  {</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> </div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ai = offset*(tid+1) - 1;</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bi = ai + (offset >> 1);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span> </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  s_compaction_list_exc[bi] = s_compaction_list_exc[bi]</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  + s_compaction_list_exc[ai];</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  }</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  }</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span> </div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  __syncthreads();</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> }</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="keyword">template</span><<span class="keyword">class</span> T, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> __device__</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a89a2e3afeaf5480586bd14999ec60393"> 440</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a89a2e3afeaf5480586bd14999ec60393">compactIntervals</a>(<a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> mid, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> right,</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> mid_count, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> right_count,</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  T *s_compaction_list,</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_active,</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> is_active_second)</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> {</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid = threadIdx.x;</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> </div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">// perform compaction / copy data for all threads where the second</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="comment">// child is not dead</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> ((tid < num_threads_active) && (1 == is_active_second))</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  {</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr_w = num_threads_active + s_compaction_list[tid];</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  s_left[addr_w] = mid;</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  s_right[addr_w] = right;</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  s_left_count[addr_w] = mid_count;</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  s_right_count[addr_w] = right_count;</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  }</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> }</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> <span class="keyword">template</span><<span class="keyword">class</span> T, <span class="keyword">class</span> S, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> __device__</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a63d480d679a9c6380f3c9373c419f962"> 465</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a63d480d679a9c6380f3c9373c419f962">storeIntervalConverged</a>(<a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &mid, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &right,</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  S &left_count, S &mid_count, S &right_count,</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  T *s_compaction_list_exc,</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &compact_second_chunk,</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_active,</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &is_active_second)</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span> {</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid = threadIdx.x;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> multiplicity = right_count - left_count;</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="comment">// check multiplicity of eigenvalue</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keywordflow">if</span> (1 == multiplicity)</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  {</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> </div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">// just re-store intervals, simple eigenvalue</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  s_left[tid] = left;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  s_right[tid] = right;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  s_left_count[tid] = left_count;</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  s_right_count[tid] = right_count;</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span> </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>  <span class="comment">// mark that no second child / clear</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  is_active_second = 0;</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  s_compaction_list_exc[tid] = 0;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">else</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">// number of eigenvalues after the split less than mid</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  mid_count = left_count + (multiplicity >> 1);</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span> </div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="comment">// store left interval</span></div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  s_left[tid] = left;</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  s_right[tid] = right;</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  s_left_count[tid] = left_count;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  s_right_count[tid] = mid_count;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  mid = left;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> </div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">// mark that second child interval exists</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  is_active_second = 1;</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  s_compaction_list_exc[tid] = 1;</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  compact_second_chunk = 1;</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  }</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> }</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> </div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="keyword">template</span><<span class="keyword">class</span> T, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> __device__</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#ad7ca33ef6ba189bd07de41dccce1ce61"> 529</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ad7ca33ef6ba189bd07de41dccce1ce61">subdivideActiveIntervalMulti</a>(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid,</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_active,</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &right,</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &left_count, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &right_count,</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &mid, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &all_threads_converged)</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> {</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  <span class="comment">// for all active threads</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <span class="keywordflow">if</span> (tid < num_threads_active)</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  {</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> </div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  left = s_left[tid];</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  right = s_right[tid];</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  left_count = s_left_count[tid];</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  right_count = s_right_count[tid];</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="comment">// check if thread already converged</span></div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="keywordflow">if</span> (left != right)</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  {</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span> </div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  mid = <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6">computeMidpoint</a>(left, right);</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  all_threads_converged = 0;</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  }</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((right_count - left_count) > 1)</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  {</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="comment">// mark as not converged if multiple eigenvalues enclosed</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  <span class="comment">// duplicate interval in storeIntervalsConverged()</span></div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  all_threads_converged = 0;</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> </div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  } <span class="comment">// end for all active threads</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> }</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> </div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="keyword">template</span><<span class="keyword">class</span> T, <span class="keyword">class</span> NumericT></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> __device__</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1cuda.html#a3b925276e4de162f0bb068f90a0b298d"> 582</a></span> <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#a3b925276e4de162f0bb068f90a0b298d">subdivideActiveInterval</a>(<span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tid,</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> *s_right,</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  T *s_left_count, T *s_right_count,</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> num_threads_active,</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &left, <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &right,</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &left_count, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &right_count,</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <a class="code" href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a> &mid, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> &all_threads_converged)</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> {</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  <span class="comment">// for all active threads</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">if</span> (tid < num_threads_active)</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  {</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> </div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  left = s_left[tid];</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  right = s_right[tid];</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  left_count = s_left_count[tid];</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  right_count = s_right_count[tid];</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> </div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  <span class="comment">// check if thread already converged</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">if</span> (left != right)</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  {</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  mid = <a class="code" href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6">computeMidpoint</a>(left, right);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  all_threads_converged = 0;</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  } <span class="comment">// end for all active threads</span></div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span> }</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> }</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> }</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> }</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> </div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="preprocessor">#endif // #ifndef VIENNACL_LINALG_DETAIL_BISECT_UTIL_HPP_</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> </div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a66880730e6885754d21e620a9739ade3"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a66880730e6885754d21e620a9739ade3">viennacl::linalg::cuda::createIndicesCompaction</a></div><div class="ttdeci">__device__ void createIndicesCompaction(T *s_compaction_list_exc, unsigned int num_threads_compaction)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00373">bisect_util.hpp:373</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_ab24a81a05b199c53894e2dcc6f9b54fa"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#ab24a81a05b199c53894e2dcc6f9b54fa">viennacl::linalg::cuda::computeNumSmallerEigenvals</a></div><div class="ttdeci">__device__ unsigned int computeNumSmallerEigenvals(const NumericT *g_d, const NumericT *g_s, const unsigned int n, const NumericT x, const unsigned int tid, const unsigned int num_intervals_active, NumericT *s_d, NumericT *s_s, unsigned int converged)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00177">bisect_util.hpp:177</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_ae31db36470d0165a7358dad4853ff492"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#ae31db36470d0165a7358dad4853ff492">viennacl::linalg::cuda::storeNonEmptyIntervals</a></div><div class="ttdeci">__device__ void storeNonEmptyIntervals(unsigned int addr, const unsigned int num_threads_active, NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, NumericT left, NumericT mid, NumericT right, const S left_count, const S mid_count, const S right_count, NumericT precision, unsigned int &compact_second_chunk, T *s_compaction_list_exc, unsigned int &is_active_second)</div><div class="ttdoc">Store all non-empty intervals resulting from the subdivision of the interval currently processed by t...</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00309">bisect_util.hpp:309</a></div></div>
<div class="ttc" id="config_8hpp_html_ad37f4af0725c7960b6450e315c10422e"><div class="ttname"><a href="config_8hpp.html#ad37f4af0725c7960b6450e315c10422e">VIENNACL_BISECT_MIN_ABS_INTERVAL</a></div><div class="ttdeci">#define VIENNACL_BISECT_MIN_ABS_INTERVAL</div><div class="ttdef"><b>Definition:</b> <a href="config_8hpp_source.html#l00042">config.hpp:42</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_aeb2b6de6231508e14fc1b8e63ea18d68"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#aeb2b6de6231508e14fc1b8e63ea18d68">viennacl::linalg::cuda::floorPow2</a></div><div class="ttdeci">__device__ int floorPow2(int n)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00046">bisect_util.hpp:46</a></div></div>
<div class="ttc" id="linalg_2detail_2bisect_2util_8hpp_html"><div class="ttname"><a href="linalg_2detail_2bisect_2util_8hpp.html">util.hpp</a></div><div class="ttdoc">Utility functions. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a4c8d9251fff091344ae4f64dd6485fe2"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a4c8d9251fff091344ae4f64dd6485fe2">viennacl::linalg::cuda::ceilPow2</a></div><div class="ttdeci">__device__ int ceilPow2(int n)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00066">bisect_util.hpp:66</a></div></div>
<div class="ttc" id="config_8hpp_html"><div class="ttname"><a href="config_8hpp.html">config.hpp</a></div><div class="ttdoc">Global configuration parameters. </div></div>
<div class="ttc" id="tests_2src_2bisect_8cpp_html_a52b5d30a2d7b064678644a3bf49b7f6c"><div class="ttname"><a href="tests_2src_2bisect_8cpp.html#a52b5d30a2d7b064678644a3bf49b7f6c">NumericT</a></div><div class="ttdeci">float NumericT</div><div class="ttdef"><b>Definition:</b> <a href="tests_2src_2bisect_8cpp_source.html#l00040">bisect.cpp:40</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a89a2e3afeaf5480586bd14999ec60393"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a89a2e3afeaf5480586bd14999ec60393">viennacl::linalg::cuda::compactIntervals</a></div><div class="ttdeci">__device__ void compactIntervals(NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, NumericT mid, NumericT right, unsigned int mid_count, unsigned int right_count, T *s_compaction_list, unsigned int num_threads_active, unsigned int is_active_second)</div><div class="ttdoc">Perform stream compaction for second child intervals. </div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00440">bisect_util.hpp:440</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a77b416d8ba729bd231378c6fcebebcac"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a77b416d8ba729bd231378c6fcebebcac">viennacl::linalg::cuda::storeInterval</a></div><div class="ttdeci">__device__ void storeInterval(unsigned int addr, NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, NumericT left, NumericT right, S left_count, S right_count, NumericT precision)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00124">bisect_util.hpp:124</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a3b925276e4de162f0bb068f90a0b298d"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a3b925276e4de162f0bb068f90a0b298d">viennacl::linalg::cuda::subdivideActiveInterval</a></div><div class="ttdeci">__device__ void subdivideActiveInterval(const unsigned int tid, NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, const unsigned int num_threads_active, NumericT &left, NumericT &right, unsigned int &left_count, unsigned int &right_count, NumericT &mid, unsigned int &all_threads_converged)</div><div class="ttdoc">Subdivide interval if active and not already converged. </div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00582">bisect_util.hpp:582</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_ad7ca33ef6ba189bd07de41dccce1ce61"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#ad7ca33ef6ba189bd07de41dccce1ce61">viennacl::linalg::cuda::subdivideActiveIntervalMulti</a></div><div class="ttdeci">__device__ void subdivideActiveIntervalMulti(const unsigned int tid, NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, const unsigned int num_threads_active, NumericT &left, NumericT &right, unsigned int &left_count, unsigned int &right_count, NumericT &mid, unsigned int &all_threads_converged)</div><div class="ttdoc">Subdivide interval if active and not already converged. </div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00529">bisect_util.hpp:529</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_ac0fc0927da3e13d74d54e56968d64ad6"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#ac0fc0927da3e13d74d54e56968d64ad6">viennacl::linalg::cuda::computeMidpoint</a></div><div class="ttdeci">__device__ NumericT computeMidpoint(const NumericT left, const NumericT right)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00089">bisect_util.hpp:89</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_a63d480d679a9c6380f3c9373c419f962"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#a63d480d679a9c6380f3c9373c419f962">viennacl::linalg::cuda::storeIntervalConverged</a></div><div class="ttdeci">__device__ void storeIntervalConverged(NumericT *s_left, NumericT *s_right, T *s_left_count, T *s_right_count, NumericT &left, NumericT &mid, NumericT &right, S &left_count, S &mid_count, S &right_count, T *s_compaction_list_exc, unsigned int &compact_second_chunk, const unsigned int num_threads_active, unsigned int &is_active_second)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00465">bisect_util.hpp:465</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1detail_html_a941b17c6f2ae63d40584cb9a9fd89f39"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1detail.html#a941b17c6f2ae63d40584cb9a9fd89f39">viennacl::linalg::detail::sign_f</a></div><div class="ttdeci">float sign_f(const float &val)</div><div class="ttdoc">Sign of number (float) </div><div class="ttdef"><b>Definition:</b> <a href="linalg_2detail_2bisect_2util_8hpp_source.html#l00072">util.hpp:72</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_adfd5b21910a692a78c547b22b9157c2e"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#adfd5b21910a692a78c547b22b9157c2e">viennacl::linalg::max</a></div><div class="ttdeci">NumericT max(std::vector< NumericT > const &v1)</div><div class="ttdef"><b>Definition:</b> <a href="maxmin_8hpp_source.html#l00047">maxmin.hpp:47</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1cuda_html_aab5eefe8daaa1533e4e6de64f1448a4f"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1cuda.html#aab5eefe8daaa1533e4e6de64f1448a4f">viennacl::linalg::cuda::computeNumSmallerEigenvalsLarge</a></div><div class="ttdeci">__device__ unsigned int computeNumSmallerEigenvalsLarge(const NumericT *g_d, const NumericT *g_s, const unsigned int n, const NumericT x, const unsigned int tid, const unsigned int num_intervals_active, NumericT *s_d, NumericT *s_s, unsigned int converged)</div><div class="ttdef"><b>Definition:</b> <a href="bisect__util_8hpp_source.html#l00237">bisect_util.hpp:237</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_ae0a4445a6d0f1d75e7157cdc23239027"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#ae0a4445a6d0f1d75e7157cdc23239027">viennacl::linalg::min</a></div><div class="ttdeci">NumericT min(std::vector< NumericT > const &v1)</div><div class="ttdef"><b>Definition:</b> <a href="maxmin_8hpp_source.html#l00091">maxmin.hpp:91</a></div></div>
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