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<div class="title">eigen-with-viennacl.cpp</div>  </div>
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<a href="eigen-with-viennacl_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment">   Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment">                            Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment">                            TU Wien.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment">   Portions of this software are copyright by UChicago Argonne, LLC.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">                            -----------------</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">                  ViennaCL - The Vienna Computing Library</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment">                            -----------------</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment">   Project Head:    Karl Rupp                   rupp@iue.tuwien.ac.at</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment">   (A list of authors and contributors can be found in the PDF manual)</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment">   License:         MIT (X11), see file LICENSE in the base directory</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment">// System headers</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// Eigen headers</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#include &lt;Eigen/Core&gt;</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#include &lt;Eigen/Sparse&gt;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">// IMPORTANT: Must be set prior to any ViennaCL includes if you want to use ViennaCL algorithms on Eigen objects</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#define VIENNACL_WITH_EIGEN 1</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment">// ViennaCL includes</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vector_8hpp.html">viennacl/vector.hpp</a>&quot;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="matrix_8hpp.html">viennacl/matrix.hpp</a>&quot;</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="compressed__matrix_8hpp.html">viennacl/compressed_matrix.hpp</a>&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="prod_8hpp.html">viennacl/linalg/prod.hpp</a>&quot;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">// Helper functions for this tutorial:</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="vector-io_8hpp.html">vector-io.hpp</a>&quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">//dense matrix:</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">struct </span>Eigen_dense_matrix</div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;{</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> T::ERROR_NO_EIGEN_TYPE_AVAILABLE   error_type;</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;};</div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">struct </span>Eigen_dense_matrix&lt;float&gt;</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;{</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;  <span class="keyword">typedef</span> Eigen::MatrixXf  type;</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;};</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="keyword">struct </span>Eigen_dense_matrix&lt;double&gt;</div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;{</div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;  <span class="keyword">typedef</span> Eigen::MatrixXd  type;</div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;};</div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">//sparse matrix</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">struct </span>Eigen_vector</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;{</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> T::ERROR_NO_EIGEN_TYPE_AVAILABLE   error_type;</div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;};</div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="keyword">struct </span>Eigen_vector&lt;float&gt;</div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;{</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;  <span class="keyword">typedef</span> Eigen::VectorXf  type;</div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;};</div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="keyword">template</span>&lt;&gt;</div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="keyword">struct </span>Eigen_vector&lt;double&gt;</div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;{</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;  <span class="keyword">typedef</span> Eigen::VectorXd  type;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;};</div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> ScalarType&gt;</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="keywordtype">void</span> run_tutorial()</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;{</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Eigen_dense_matrix&lt;ScalarType&gt;::type  EigenMatrix;</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;  <span class="keyword">typedef</span> <span class="keyword">typename</span> Eigen_vector&lt;ScalarType&gt;::type        EigenVector;</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  EigenMatrix eigen_densemat(6, 5);</div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  EigenMatrix eigen_densemat2(6, 5);</div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  eigen_densemat(0,0) = 2.0;   eigen_densemat(0,1) = -1.0;</div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  eigen_densemat(1,0) = -1.0;  eigen_densemat(1,1) =  2.0;  eigen_densemat(1,2) = -1.0;</div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;  eigen_densemat(2,1) = -1.0;  eigen_densemat(2,2) = -1.0;  eigen_densemat(2,3) = -1.0;</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  eigen_densemat(3,2) = -1.0;  eigen_densemat(3,3) =  2.0;  eigen_densemat(3,4) = -1.0;</div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;                               eigen_densemat(5,4) = -1.0;  eigen_densemat(4,4) = -1.0;</div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;  Eigen::Map&lt;EigenMatrix&gt; eigen_densemat_map(eigen_densemat.data(), 6, 5); <span class="comment">// same as eigen_densemat, but emulating user-provided buffer</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;  Eigen::SparseMatrix&lt;ScalarType, Eigen::RowMajor&gt; eigen_sparsemat(6, 5);</div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;  Eigen::SparseMatrix&lt;ScalarType, Eigen::RowMajor&gt; eigen_sparsemat2(6, 5);</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;  eigen_sparsemat.reserve(5*2);</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;  eigen_sparsemat.insert(0,0) = 2.0;   eigen_sparsemat.insert(0,1) = -1.0;</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;  eigen_sparsemat.insert(1,1) = 2.0;   eigen_sparsemat.insert(1,2) = -1.0;</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;  eigen_sparsemat.insert(2,2) = -1.0;  eigen_sparsemat.insert(2,3) = -1.0;</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;  eigen_sparsemat.insert(3,3) = 2.0;   eigen_sparsemat.insert(3,4) = -1.0;</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;  eigen_sparsemat.insert(5,4) = -1.0;</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;  <span class="comment">//eigen_sparsemat.endFill();</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;  EigenVector eigen_rhs(5);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;  Eigen::Map&lt;EigenVector&gt; eigen_rhs_map(eigen_rhs.data(), 5);</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;  EigenVector eigen_result(6);</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;  EigenVector eigen_temp(6);</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;  eigen_rhs(0) = 10.0;</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;  eigen_rhs(1) = 11.0;</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;  eigen_rhs(2) = 12.0;</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;  eigen_rhs(3) = 13.0;</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;  eigen_rhs(4) = 14.0;</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector&lt;ScalarType&gt;</a> vcl_rhs(5);</div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector&lt;ScalarType&gt;</a> vcl_result(6);</div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;  <a class="code" href="classviennacl_1_1matrix.html">viennacl::matrix&lt;ScalarType&gt;</a> vcl_densemat(6, 5);</div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;  <a class="code" href="classviennacl_1_1compressed__matrix.html">viennacl::compressed_matrix&lt;ScalarType&gt;</a> vcl_sparsemat(6, 5);</div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;</div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(&amp;(eigen_rhs[0]), &amp;(eigen_rhs[0]) + 5, vcl_rhs.begin());  <span class="comment">// Method 1: via iterator interface (cf. std::copy())</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(eigen_rhs, vcl_rhs);                                     <span class="comment">// Method 2: via built-in wrappers (convenience layer)</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(eigen_rhs_map, vcl_rhs);                                 <span class="comment">// Same as method 2, but for a mapped vector</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(eigen_densemat, vcl_densemat);</div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(eigen_densemat_map, vcl_densemat); <span class="comment">//same as above, using mapped matrix</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(eigen_sparsemat, vcl_sparsemat);</div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;VCL sparsematrix dimensions: &quot;</span> &lt;&lt; vcl_sparsemat.size1() &lt;&lt; <span class="stringliteral">&quot;, &quot;</span> &lt;&lt; vcl_sparsemat.size2() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;  <span class="comment">// For completeness: Copy matrices from ViennaCL back to Eigen:</span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(vcl_densemat, eigen_densemat2);</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(vcl_sparsemat, eigen_sparsemat2);</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;</div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;  eigen_result = eigen_densemat * eigen_rhs;</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;  vcl_result = <a class="code" href="namespaceviennacl_1_1linalg.html#aa18d10f8a90e38bd9ff43c650fc670ef">viennacl::linalg::prod</a>(vcl_densemat, vcl_rhs);</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(vcl_result, eigen_temp);</div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;Difference for dense matrix-vector product: &quot;</span> &lt;&lt; (eigen_result - eigen_temp).norm() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;Difference for dense matrix-vector product (Eigen-&gt;ViennaCL-&gt;Eigen): &quot;</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;            &lt;&lt; (eigen_densemat2 * eigen_rhs - eigen_temp).norm() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;  eigen_result = eigen_sparsemat * eigen_rhs;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  vcl_result = <a class="code" href="namespaceviennacl_1_1linalg.html#aa18d10f8a90e38bd9ff43c650fc670ef">viennacl::linalg::prod</a>(vcl_sparsemat, vcl_rhs);</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(vcl_result, eigen_temp);</div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;Difference for sparse matrix-vector product: &quot;</span> &lt;&lt; (eigen_result - eigen_temp).norm() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;Difference for sparse matrix-vector product (Eigen-&gt;ViennaCL-&gt;Eigen): &quot;</span></div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;            &lt;&lt; (eigen_sparsemat2 * eigen_rhs - eigen_temp).norm() &lt;&lt; std::endl;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;}</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="keywordtype">int</span> <a class="code" href="tests_2src_2bisect_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>(<span class="keywordtype">int</span>, <span class="keywordtype">char</span> *[])</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;{</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;----------------------------------------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;## Single precision&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;----------------------------------------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;  run_tutorial&lt;float&gt;();</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="preprocessor">#ifdef VIENNACL_HAVE_OPENCL</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;  <span class="keywordflow">if</span> ( <a class="code" href="namespaceviennacl_1_1ocl.html#ac54d59a74deaccec81f64e738b856348">viennacl::ocl::current_device</a>().<a class="code" href="classviennacl_1_1ocl_1_1device.html#a5182025f56c76de6770e26b14165b00a">double_support</a>() )</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;#endif</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;  {</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    std::cout &lt;&lt; <span class="stringliteral">&quot;----------------------------------------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    std::cout &lt;&lt; <span class="stringliteral">&quot;## Double precision&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    std::cout &lt;&lt; <span class="stringliteral">&quot;----------------------------------------------&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    run_tutorial&lt;double&gt;();</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  }</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  std::cout &lt;&lt; std::endl;</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;  std::cout &lt;&lt; <span class="stringliteral">&quot;!!!! TUTORIAL COMPLETED SUCCESSFULLY !!!!&quot;</span> &lt;&lt; std::endl;</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  std::cout &lt;&lt; std::endl;</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;}</div>
<div class="ttc" id="prod_8hpp_html"><div class="ttname"><a href="prod_8hpp.html">prod.hpp</a></div><div class="ttdoc">Generic interface for matrix-vector and matrix-matrix products. See viennacl/linalg/vector_operations...</div></div>
<div class="ttc" id="matrix_8hpp_html"><div class="ttname"><a href="matrix_8hpp.html">matrix.hpp</a></div><div class="ttdoc">Implementation of the dense matrix class. </div></div>
<div class="ttc" id="tests_2src_2bisect_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="tests_2src_2bisect_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition:</b> <a href="tests_2src_2bisect_8cpp_source.html#l00091">bisect.cpp:91</a></div></div>
<div class="ttc" id="vector-io_8hpp_html"><div class="ttname"><a href="vector-io_8hpp.html">vector-io.hpp</a></div></div>
<div class="ttc" id="classviennacl_1_1matrix_html"><div class="ttname"><a href="classviennacl_1_1matrix.html">viennacl::matrix</a></div><div class="ttdoc">A dense matrix class. </div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00375">forwards.h:375</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1ocl_html_ac54d59a74deaccec81f64e738b856348"><div class="ttname"><a href="namespaceviennacl_1_1ocl.html#ac54d59a74deaccec81f64e738b856348">viennacl::ocl::current_device</a></div><div class="ttdeci">viennacl::ocl::device const &amp; current_device()</div><div class="ttdoc">Convenience function for returning the active device in the current context. </div><div class="ttdef"><b>Definition:</b> <a href="backend_8hpp_source.html#l00351">backend.hpp:351</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_aa18d10f8a90e38bd9ff43c650fc670ef"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#aa18d10f8a90e38bd9ff43c650fc670ef">viennacl::linalg::prod</a></div><div class="ttdeci">VectorT prod(std::vector&lt; std::vector&lt; T, A1 &gt;, A2 &gt; const &amp;matrix, VectorT const &amp;vector)</div><div class="ttdef"><b>Definition:</b> <a href="prod_8hpp_source.html#l00102">prod.hpp:102</a></div></div>
<div class="ttc" id="compressed__matrix_8hpp_html"><div class="ttname"><a href="compressed__matrix_8hpp.html">compressed_matrix.hpp</a></div><div class="ttdoc">Implementation of the compressed_matrix class. </div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1device_html_a5182025f56c76de6770e26b14165b00a"><div class="ttname"><a href="classviennacl_1_1ocl_1_1device.html#a5182025f56c76de6770e26b14165b00a">viennacl::ocl::device::double_support</a></div><div class="ttdeci">bool double_support() const </div><div class="ttdoc">ViennaCL convenience function: Returns true if the device supports double precision. </div><div class="ttdef"><b>Definition:</b> <a href="device_8hpp_source.html#l00956">device.hpp:956</a></div></div>
<div class="ttc" id="classviennacl_1_1vector_html"><div class="ttname"><a href="classviennacl_1_1vector.html">viennacl::vector&lt; ScalarType &gt;</a></div></div>
<div class="ttc" id="vector_8hpp_html"><div class="ttname"><a href="vector_8hpp.html">vector.hpp</a></div><div class="ttdoc">The vector type with operator-overloads and proxy classes is defined here. Linear algebra operations ...</div></div>
<div class="ttc" id="namespaceviennacl_html_a10b7f8cf6b8864a7aa196d670481a453"><div class="ttname"><a href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a></div><div class="ttdeci">void copy(std::vector&lt; NumericT &gt; &amp;cpu_vec, circulant_matrix&lt; NumericT, AlignmentV &gt; &amp;gpu_mat)</div><div class="ttdoc">Copies a circulant matrix from the std::vector to the OpenCL device (either GPU or multi-core CPU) ...</div><div class="ttdef"><b>Definition:</b> <a href="circulant__matrix_8hpp_source.html#l00150">circulant_matrix.hpp:150</a></div></div>
<div class="ttc" id="classviennacl_1_1compressed__matrix_html"><div class="ttname"><a href="classviennacl_1_1compressed__matrix.html">viennacl::compressed_matrix</a></div><div class="ttdoc">A sparse square matrix in compressed sparse rows format. </div><div class="ttdef"><b>Definition:</b> <a href="compressed__matrix_8hpp_source.html#l00559">compressed_matrix.hpp:559</a></div></div>
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