1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.6"/>
<title>ViennaCL - The Vienna Computing Library: examples/tutorial/iterative-ublas.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
$(document).ready(initResizable);
$(window).load(resizeHeight);
</script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/search.js"></script>
<script type="text/javascript">
$(document).ready(function() { searchBox.OnSelectItem(0); });
</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td style="padding-left: 0.5em;">
<div id="projectname">ViennaCL - The Vienna Computing Library
 <span id="projectnumber">1.7.1</span>
</div>
<div id="projectbrief">Free open-source GPU-accelerated linear algebra and solver library.</div>
</td>
<td> <div id="MSearchBox" class="MSearchBoxInactive">
<span class="left">
<img id="MSearchSelect" src="search/mag_sel.png"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
alt=""/>
<input type="text" id="MSearchField" value="Search" accesskey="S"
onfocus="searchBox.OnSearchFieldFocus(true)"
onblur="searchBox.OnSearchFieldFocus(false)"
onkeyup="searchBox.OnSearchFieldChange(event)"/>
</span><span class="right">
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.6 -->
<script type="text/javascript">
var searchBox = new SearchBox("searchBox", "search",false,'Search');
</script>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
$(document).ready(function(){initNavTree('iterative-ublas_8cpp_source.html','');});
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
onmouseover="return searchBox.OnSearchSelectShow()"
onmouseout="return searchBox.OnSearchSelectHide()"
onkeydown="return searchBox.OnSearchSelectKey(event)">
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Classes</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Namespaces</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Friends</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(11)"><span class="SelectionMark"> </span>Pages</a></div>
<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0"
name="MSearchResults" id="MSearchResults">
</iframe>
</div>
<div class="header">
<div class="headertitle">
<div class="title">iterative-ublas.cpp</div> </div>
</div><!--header-->
<div class="contents">
<a href="iterative-ublas_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> <span class="comment">/* =========================================================================</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> Copyright (c) 2010-2016, Institute for Microelectronics,</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> Institute for Analysis and Scientific Computing,</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> TU Wien.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <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> <span class="comment"></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> -----------------</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> ViennaCL - The Vienna Computing Library</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"> Project Head: Karl Rupp rupp@iue.tuwien.ac.at</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"> (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> <span class="comment"></span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <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> <span class="comment">============================================================================= */</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">//</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// include necessary system headers</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">//</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">//</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// Necessary to obtain a suitable performance in ublas</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#ifndef NDEBUG</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"> #define BOOST_UBLAS_NDEBUG</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#endif</span></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> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// ublas includes</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">//</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <boost/numeric/ublas/io.hpp></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <boost/numeric/ublas/triangular.hpp></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include <boost/numeric/ublas/matrix_sparse.hpp></span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <boost/numeric/ublas/matrix.hpp></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#include <boost/numeric/ublas/matrix_proxy.hpp></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include <boost/numeric/ublas/operation.hpp></span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include <boost/numeric/ublas/operation_sparse.hpp></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <boost/numeric/ublas/io.hpp></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <boost/numeric/ublas/lu.hpp></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">// Must be set if you want to use ViennaCL algorithms on ublas objects</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define VIENNACL_WITH_UBLAS 1</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">//</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// ViennaCL includes</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">//</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="ilu_8hpp.html">viennacl/linalg/ilu.hpp</a>"</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "<a class="code" href="cg_8hpp.html">viennacl/linalg/cg.hpp</a>"</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="bicgstab_8hpp.html">viennacl/linalg/bicgstab.hpp</a>"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="gmres_8hpp.html">viennacl/linalg/gmres.hpp</a>"</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include "<a class="code" href="matrix__market_8hpp.html">viennacl/io/matrix_market.hpp</a>"</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// Some helper functions for this tutorial:</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include "<a class="code" href="vector-io_8hpp.html">vector-io.hpp</a>"</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">using namespace </span>boost::numeric;</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keywordtype">int</span> <a class="code" href="tests_2src_2bisect_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>()</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="keyword">typedef</span> <span class="keywordtype">float</span> <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Set up some ublas objects</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  ublas::vector<ScalarType> rhs;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  ublas::vector<ScalarType> ref_result;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  ublas::vector<ScalarType> result;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ublas::compressed_matrix<ScalarType> ublas_matrix;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (!<a class="code" href="namespaceviennacl_1_1io.html#ad934125ed3dbe661e264bcd7d62b1048">viennacl::io::read_matrix_market_file</a>(ublas_matrix, <span class="stringliteral">"../examples/testdata/mat65k.mtx"</span>))</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  {</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  std::cout << <span class="stringliteral">"Error reading Matrix file"</span> << std::endl;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (!<a class="code" href="vector-io_8hpp.html#a303954a45833b84192a6dcf3065f85e3">readVectorFromFile</a>(<span class="stringliteral">"../examples/testdata/rhs65025.txt"</span>, rhs))</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  std::cout << <span class="stringliteral">"Error reading RHS file"</span> << std::endl;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> EXIT_FAILURE;</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>  <span class="comment">//std::cout << "done reading rhs" << std::endl;</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (!<a class="code" href="vector-io_8hpp.html#a303954a45833b84192a6dcf3065f85e3">readVectorFromFile</a>(<span class="stringliteral">"../examples/testdata/result65025.txt"</span>, ref_result))</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  std::cout << <span class="stringliteral">"Error reading Result file"</span> << std::endl;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> EXIT_FAILURE;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">//std::cout << "done reading result" << std::endl;</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <a class="code" href="classviennacl_1_1linalg_1_1ilut__precond.html">viennacl::linalg::ilut_precond< ublas::compressed_matrix<ScalarType></a> > ublas_ilut(ublas_matrix, <a class="code" href="classviennacl_1_1linalg_1_1ilut__tag.html">viennacl::linalg::ilut_tag</a>());</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="classviennacl_1_1linalg_1_1ilu0__precond.html">viennacl::linalg::ilu0_precond< ublas::compressed_matrix<ScalarType></a> > ublas_ilu0(ublas_matrix, <a class="code" href="classviennacl_1_1linalg_1_1ilu0__tag.html">viennacl::linalg::ilu0_tag</a>());</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="classviennacl_1_1linalg_1_1block__ilu__precond.html">viennacl::linalg::block_ilu_precond< ublas::compressed_matrix<ScalarType></a>,</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classviennacl_1_1linalg_1_1ilu0__tag.html">viennacl::linalg::ilu0_tag</a>> ublas_block_ilu0(ublas_matrix, <a class="code" href="classviennacl_1_1linalg_1_1ilu0__tag.html">viennacl::linalg::ilu0_tag</a>());</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::cout << <span class="stringliteral">"----- CG Test -----"</span> << std::endl;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1cg__tag.html">viennacl::linalg::cg_tag</a>());</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::cout << <span class="stringliteral">"Residual norm: "</span> << <a class="code" href="namespaceviennacl_1_1linalg.html#ae46f15d01c01f92a153b3f555a15096b">norm_2</a>(<a class="code" href="sparse__prod_8cpp.html#a2c8637b3d6a972d1d8fd85fb3089c6da">prod</a>(ublas_matrix, result) - rhs) << std::endl;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1cg__tag.html">viennacl::linalg::cg_tag</a>(1e-6, 20), ublas_ilut);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::cout << <span class="stringliteral">"Residual norm: "</span> << <a class="code" href="namespaceviennacl_1_1linalg.html#ae46f15d01c01f92a153b3f555a15096b">norm_2</a>(<a class="code" href="sparse__prod_8cpp.html#a2c8637b3d6a972d1d8fd85fb3089c6da">prod</a>(ublas_matrix, result) - rhs) << std::endl;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1cg__tag.html">viennacl::linalg::cg_tag</a>(1e-6, 20), ublas_ilu0);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  std::cout << <span class="stringliteral">"Residual norm: "</span> << <a class="code" href="namespaceviennacl_1_1linalg.html#ae46f15d01c01f92a153b3f555a15096b">norm_2</a>(<a class="code" href="sparse__prod_8cpp.html#a2c8637b3d6a972d1d8fd85fb3089c6da">prod</a>(ublas_matrix, result) - rhs) << std::endl;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1cg__tag.html">viennacl::linalg::cg_tag</a>(1e-6, 20), ublas_block_ilu0);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::cout << <span class="stringliteral">"Residual norm: "</span> << <a class="code" href="namespaceviennacl_1_1linalg.html#ae46f15d01c01f92a153b3f555a15096b">norm_2</a>(<a class="code" href="sparse__prod_8cpp.html#a2c8637b3d6a972d1d8fd85fb3089c6da">prod</a>(ublas_matrix, result) - rhs) << std::endl;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  std::cout << <span class="stringliteral">"----- BiCGStab Test -----"</span> << std::endl;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1bicgstab__tag.html">viennacl::linalg::bicgstab_tag</a>()); <span class="comment">//without preconditioner</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1bicgstab__tag.html">viennacl::linalg::bicgstab_tag</a>(1e-6, 20), ublas_ilut); <span class="comment">//with preconditioner</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1bicgstab__tag.html">viennacl::linalg::bicgstab_tag</a>(1e-6, 20), ublas_ilu0); <span class="comment">//with preconditioner</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  std::cout << <span class="stringliteral">"----- GMRES Test -----"</span> << std::endl;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1gmres__tag.html">viennacl::linalg::gmres_tag</a>()); <span class="comment">//without preconditioner</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1gmres__tag.html">viennacl::linalg::gmres_tag</a>(1e-6, 20), ublas_ilut);<span class="comment">//with preconditioner</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  result = <a class="code" href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a>(ublas_matrix, rhs, <a class="code" href="classviennacl_1_1linalg_1_1gmres__tag.html">viennacl::linalg::gmres_tag</a>(1e-6, 20), ublas_ilu0);<span class="comment">//with preconditioner</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  std::cout << <span class="stringliteral">"!!!! TUTORIAL COMPLETED SUCCESSFULLY !!!!"</span> << std::endl;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">return</span> EXIT_SUCCESS;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_ae46f15d01c01f92a153b3f555a15096b"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#ae46f15d01c01f92a153b3f555a15096b">viennacl::linalg::norm_2</a></div><div class="ttdeci">T norm_2(std::vector< T, A > const &v1)</div><div class="ttdef"><b>Definition:</b> <a href="norm__2_8hpp_source.html#l00096">norm_2.hpp:96</a></div></div>
<div class="ttc" id="matrix__market_8hpp_html"><div class="ttname"><a href="matrix__market_8hpp.html">matrix_market.hpp</a></div><div class="ttdoc">A reader and writer for the matrix market format is implemented here. </div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1ilu0__precond_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1ilu0__precond.html">viennacl::linalg::ilu0_precond</a></div><div class="ttdoc">ILU0 preconditioner class, can be supplied to solve()-routines. </div><div class="ttdef"><b>Definition:</b> <a href="ilu0_8hpp_source.html#l00146">ilu0.hpp:146</a></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="classviennacl_1_1linalg_1_1ilu0__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1ilu0__tag.html">viennacl::linalg::ilu0_tag</a></div><div class="ttdoc">A tag for incomplete LU factorization with static pattern (ILU0) </div><div class="ttdef"><b>Definition:</b> <a href="ilu0_8hpp_source.html#l00058">ilu0.hpp:58</a></div></div>
<div class="ttc" id="bicgstab_8hpp_html"><div class="ttname"><a href="bicgstab_8hpp.html">bicgstab.hpp</a></div><div class="ttdoc">The stabilized bi-conjugate gradient method is implemented here. </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_1linalg_1_1block__ilu__precond_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1block__ilu__precond.html">viennacl::linalg::block_ilu_precond</a></div><div class="ttdoc">A block ILU preconditioner class, can be supplied to solve()-routines. </div><div class="ttdef"><b>Definition:</b> <a href="block__ilu_8hpp_source.html#l00132">block_ilu.hpp:132</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1gmres__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1gmres__tag.html">viennacl::linalg::gmres_tag</a></div><div class="ttdoc">A tag for the solver GMRES. Used for supplying solver parameters and for dispatching the solve() func...</div><div class="ttdef"><b>Definition:</b> <a href="gmres_8hpp_source.html#l00049">gmres.hpp:49</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a6e9b329b64ac782e6a5687ad2fc47a2a"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a6e9b329b64ac782e6a5687ad2fc47a2a">viennacl::linalg::solve</a></div><div class="ttdeci">VectorT solve(MatrixT const &matrix, VectorT const &rhs, bicgstab_tag const &tag, PreconditionerT const &precond)</div><div class="ttdef"><b>Definition:</b> <a href="bicgstab_8hpp_source.html#l00496">bicgstab.hpp:496</a></div></div>
<div class="ttc" id="gmres_8hpp_html"><div class="ttname"><a href="gmres_8hpp.html">gmres.hpp</a></div><div class="ttdoc">Implementations of the generalized minimum residual method are in this file. </div></div>
<div class="ttc" id="ilu_8hpp_html"><div class="ttname"><a href="ilu_8hpp.html">ilu.hpp</a></div><div class="ttdoc">Implementations of incomplete factorization preconditioners. Convenience header file. </div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1ilut__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1ilut__tag.html">viennacl::linalg::ilut_tag</a></div><div class="ttdoc">A tag for incomplete LU factorization with threshold (ILUT) </div><div class="ttdef"><b>Definition:</b> <a href="ilut_8hpp_source.html#l00045">ilut.hpp:45</a></div></div>
<div class="ttc" id="vector-io_8hpp_html_a303954a45833b84192a6dcf3065f85e3"><div class="ttname"><a href="vector-io_8hpp.html#a303954a45833b84192a6dcf3065f85e3">readVectorFromFile</a></div><div class="ttdeci">bool readVectorFromFile(const std::string &filename, VectorType &vec)</div><div class="ttdef"><b>Definition:</b> <a href="vector-io_8hpp_source.html#l00104">vector-io.hpp:104</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1ilut__precond_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1ilut__precond.html">viennacl::linalg::ilut_precond</a></div><div class="ttdoc">ILUT preconditioner class, can be supplied to solve()-routines. </div><div class="ttdef"><b>Definition:</b> <a href="ilut_8hpp_source.html#l00352">ilut.hpp:352</a></div></div>
<div class="ttc" id="cg_8hpp_html"><div class="ttname"><a href="cg_8hpp.html">cg.hpp</a></div><div class="ttdoc">The conjugate gradient method is implemented here. </div></div>
<div class="ttc" id="sparse__prod_8cpp_html_a2c8637b3d6a972d1d8fd85fb3089c6da"><div class="ttname"><a href="sparse__prod_8cpp.html#a2c8637b3d6a972d1d8fd85fb3089c6da">prod</a></div><div class="ttdeci">void prod(std::vector< std::map< IndexT, NumericT > > const &stl_A, std::vector< std::map< IndexT, NumericT > > const &stl_B, std::vector< std::map< IndexT, NumericT > > &stl_C)</div><div class="ttdef"><b>Definition:</b> <a href="sparse__prod_8cpp_source.html#l00114">sparse_prod.cpp:114</a></div></div>
<div class="ttc" id="fft__1d_8cpp_html_ad5c19ca4f47d3f8ec21232a5af2624e5"><div class="ttname"><a href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a></div><div class="ttdeci">float ScalarType</div><div class="ttdef"><b>Definition:</b> <a href="fft__1d_8cpp_source.html#l00042">fft_1d.cpp:42</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1cg__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1cg__tag.html">viennacl::linalg::cg_tag</a></div><div class="ttdoc">A tag for the conjugate gradient Used for supplying solver parameters and for dispatching the solve()...</div><div class="ttdef"><b>Definition:</b> <a href="cg_8hpp_source.html#l00048">cg.hpp:48</a></div></div>
<div class="ttc" id="classviennacl_1_1linalg_1_1bicgstab__tag_html"><div class="ttname"><a href="classviennacl_1_1linalg_1_1bicgstab__tag.html">viennacl::linalg::bicgstab_tag</a></div><div class="ttdoc">A tag for the stabilized Bi-conjugate gradient solver. Used for supplying solver parameters and for d...</div><div class="ttdef"><b>Definition:</b> <a href="bicgstab_8hpp_source.html#l00047">bicgstab.hpp:47</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1io_html_ad934125ed3dbe661e264bcd7d62b1048"><div class="ttname"><a href="namespaceviennacl_1_1io.html#ad934125ed3dbe661e264bcd7d62b1048">viennacl::io::read_matrix_market_file</a></div><div class="ttdeci">long read_matrix_market_file(MatrixT &mat, const char *file, long index_base=1)</div><div class="ttdoc">Reads a sparse matrix from a file (MatrixMarket format) </div><div class="ttdef"><b>Definition:</b> <a href="matrix__market_8hpp_source.html#l00339">matrix_market.hpp:339</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_e6cbf65cd48c4de0cbf6207c238fcdc2.html">examples</a></li><li class="navelem"><a class="el" href="dir_a5d754652166e9a81bc9a52ffaf77760.html">tutorial</a></li><li class="navelem"><a class="el" href="iterative-ublas_8cpp.html">iterative-ublas.cpp</a></li>
<li class="footer">Generated on Wed Jan 20 2016 22:32:38 for ViennaCL - The Vienna Computing Library by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6 </li>
</ul>
</div>
</body>
</html>
|