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<div class="title">scan.cpp</div> </div>
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<a href="scan_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="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">/*</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">* Test file for inclusive and exclusive scan</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="comment">*/</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">//include basic scalar and vector types of ViennaCL</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="scalar_8hpp.html">viennacl/scalar.hpp</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "<a class="code" href="vector_8hpp.html">viennacl/vector.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="comment">// Some helper functions for this tutorial:</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <limits></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <iomanip></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="scan_8cpp.html#ad79cf4c4486794ed5c5c6801eacaa5d9"> 41</a></span> <span class="keyword">typedef</span> <span class="keywordtype">int</span> <a class="code" href="scan_8cpp.html#ad79cf4c4486794ed5c5c6801eacaa5d9">ScalarType</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">static</span> <span class="keywordtype">void</span> init_vector(<a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a>& vcl_v)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  std::vector<ScalarType> v(vcl_v.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>());</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">for</span> (std::size_t i = 0; i < v.size(); ++i)</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  v[i] = <a class="code" href="scan_8cpp.html#ad79cf4c4486794ed5c5c6801eacaa5d9">ScalarType</a>(i % 7 + 1);</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(v, vcl_v);</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> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">static</span> <span class="keywordtype">void</span> test_scan_values(<a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a> <span class="keyword">const</span> & input,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a> & result,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">bool</span> is_inclusive_scan)</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>  std::vector<ScalarType> host_input(input.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>());</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::vector<ScalarType> host_result(result.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>());</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(input, host_input);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="namespaceviennacl.html#a10b7f8cf6b8864a7aa196d670481a453">viennacl::copy</a>(result, host_result);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a> <a class="code" href="namespaceviennacl_1_1linalg.html#a4117795095db49147ba7305d3e0a1af5">sum</a> = 0;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">if</span> (is_inclusive_scan)</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">for</span>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a> i = 0; i < input.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>(); i++)</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  {</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  sum += host_input[i];</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  host_input[i] = <a class="code" href="namespaceviennacl_1_1linalg.html#a4117795095db49147ba7305d3e0a1af5">sum</a>;</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>  }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">for</span>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a> i = 0; i < input.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>(); i++)</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>  <a class="code" href="fft__1d_8cpp.html#ad5c19ca4f47d3f8ec21232a5af2624e5">ScalarType</a> tmp = host_input[i];</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  host_input[i] = <a class="code" href="namespaceviennacl_1_1linalg.html#a4117795095db49147ba7305d3e0a1af5">sum</a>;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  sum += tmp;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  }</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="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">for</span>(<a class="code" href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a> i = 0; i < input.<a class="code" href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">size</a>(); i++)</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  {</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (host_input[i] != host_result[i])</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  std::cout << <span class="stringliteral">"Fail at vector index "</span> << i << std::endl;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  std::cout << <span class="stringliteral">" result["</span> << i << <span class="stringliteral">"] = "</span> << host_result[i] << std::endl;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  std::cout << <span class="stringliteral">" Reference = "</span> << host_input[i] << std::endl;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordflow">if</span> (i > 0)</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">" previous result["</span> << i-1 << <span class="stringliteral">"] = "</span> << host_result[i-1] << std::endl;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::cout << <span class="stringliteral">" previous Reference = "</span> << host_input[i-1] << std::endl;</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>  exit(EXIT_FAILURE);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</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>  std::cout << <span class="stringliteral">"PASSED!"</span> << std::endl;</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> }</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> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">static</span> <span class="keywordtype">void</span> test_scans(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sz)</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>  <a class="code" href="classviennacl_1_1vector.html">viennacl::vector<ScalarType></a> vec1(sz), vec2(sz);</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>  std::cout << <span class="stringliteral">"Initialize vector..."</span> << std::endl;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  init_vector(vec1);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </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">// INCLUSIVE SCAN</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  std::cout << <span class="stringliteral">" --- Inclusive scan ---"</span> << std::endl;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  std::cout << <span class="stringliteral">"Separate vectors: "</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a36cad03793f02f934964c26739fe85a0">viennacl::linalg::inclusive_scan</a>(vec1, vec2);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  test_scan_values(vec1, vec2, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  std::cout << <span class="stringliteral">"In-place: "</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  vec2 = vec1;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a36cad03793f02f934964c26739fe85a0">viennacl::linalg::inclusive_scan</a>(vec2);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  test_scan_values(vec1, vec2, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  std::cout << <span class="stringliteral">"Inclusive scan tested successfully!"</span> << std::endl << std::endl;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::cout << <span class="stringliteral">"Initialize vector..."</span> << std::endl;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  init_vector(vec1);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="comment">// EXCLUSIVE SCAN</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  std::cout << <span class="stringliteral">" --- Exclusive scan ---"</span> << std::endl;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  std::cout << <span class="stringliteral">"Separate vectors: "</span>;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a7f1b00757223e6feecf70a8657a9f096">viennacl::linalg::exclusive_scan</a>(vec1, vec2);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  test_scan_values(vec1, vec2, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  std::cout << <span class="stringliteral">"In-place: "</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  vec2 = vec1;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="namespaceviennacl_1_1linalg.html#a7f1b00757223e6feecf70a8657a9f096">viennacl::linalg::exclusive_scan</a>(vec2);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  test_scan_values(vec1, vec2, <span class="keyword">false</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  std::cout << <span class="stringliteral">"Exclusive scan tested successfully!"</span> << std::endl << std::endl;</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> }</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="scan_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4"> 140</a></span> <span class="keywordtype">int</span> <a class="code" href="scan_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a>()</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> {</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>  std::cout << std::endl << <span class="stringliteral">"----TEST INCLUSIVE and EXCLUSIVE SCAN----"</span> << std::endl << std::endl;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  std::cout << <span class="stringliteral">" //// Tiny vectors ////"</span> << std::endl;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  test_scans(27);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  std::cout << <span class="stringliteral">" //// Small vectors ////"</span> << std::endl;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  test_scans(298);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::cout << <span class="stringliteral">" //// Medium vectors ////"</span> << std::endl;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  test_scans(12345);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  std::cout << <span class="stringliteral">" //// Large vectors ////"</span> << std::endl;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  test_scans(123456);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  std::cout << std::endl <<<span class="stringliteral">"--------TEST SUCCESSFULLY COMPLETED----------"</span> << std::endl;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> }</div>
<div class="ttc" id="scan_8cpp_html_ad79cf4c4486794ed5c5c6801eacaa5d9"><div class="ttname"><a href="scan_8cpp.html#ad79cf4c4486794ed5c5c6801eacaa5d9">ScalarType</a></div><div class="ttdeci">int ScalarType</div><div class="ttdef"><b>Definition:</b> <a href="scan_8cpp_source.html#l00041">scan.cpp:41</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a4117795095db49147ba7305d3e0a1af5"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a4117795095db49147ba7305d3e0a1af5">viennacl::linalg::sum</a></div><div class="ttdeci">viennacl::scalar_expression< const viennacl::vector_base< NumericT >, const viennacl::vector_base< NumericT >, viennacl::op_sum > sum(viennacl::vector_base< NumericT > const &x)</div><div class="ttdoc">User interface function for computing the sum of all elements of a vector. </div><div class="ttdef"><b>Definition:</b> <a href="sum_8hpp_source.html#l00045">sum.hpp:45</a></div></div>
<div class="ttc" id="namespaceviennacl_html_a98a0afcc513111ffa0bd138f891930df"><div class="ttname"><a href="namespaceviennacl.html#a98a0afcc513111ffa0bd138f891930df">viennacl::vcl_size_t</a></div><div class="ttdeci">std::size_t vcl_size_t</div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00075">forwards.h:75</a></div></div>
<div class="ttc" id="classviennacl_1_1vector_html"><div class="ttname"><a href="classviennacl_1_1vector.html">viennacl::vector< ScalarType ></a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_html_a36cad03793f02f934964c26739fe85a0"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a36cad03793f02f934964c26739fe85a0">viennacl::linalg::inclusive_scan</a></div><div class="ttdeci">void inclusive_scan(vector_base< NumericT > &vec1, vector_base< NumericT > &vec2)</div><div class="ttdoc">This function implements an inclusive scan. </div><div class="ttdef"><b>Definition:</b> <a href="vector__operations_8hpp_source.html#l01190">vector_operations.hpp:1190</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< NumericT > &cpu_vec, circulant_matrix< NumericT, AlignmentV > &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_1vector__base_html_a15c47ae4326098aeaa4ed6b91fc6df9b"><div class="ttname"><a href="classviennacl_1_1vector__base.html#a15c47ae4326098aeaa4ed6b91fc6df9b">viennacl::vector_base::size</a></div><div class="ttdeci">size_type size() const </div><div class="ttdoc">Returns the length of the vector (cf. std::vector) </div><div class="ttdef"><b>Definition:</b> <a href="vector__def_8hpp_source.html#l00118">vector_def.hpp:118</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="namespaceviennacl_1_1linalg_html_a7f1b00757223e6feecf70a8657a9f096"><div class="ttname"><a href="namespaceviennacl_1_1linalg.html#a7f1b00757223e6feecf70a8657a9f096">viennacl::linalg::exclusive_scan</a></div><div class="ttdeci">void exclusive_scan(vector_base< NumericT > &vec1, vector_base< NumericT > &vec2)</div><div class="ttdoc">This function implements an exclusive scan. </div><div class="ttdef"><b>Definition:</b> <a href="vector__operations_8hpp_source.html#l01240">vector_operations.hpp:1240</a></div></div>
<div class="ttc" id="scan_8cpp_html_ae66f6b31b5ad750f1fe042a706a4e3d4"><div class="ttname"><a href="scan_8cpp.html#ae66f6b31b5ad750f1fe042a706a4e3d4">main</a></div><div class="ttdeci">int main()</div><div class="ttdef"><b>Definition:</b> <a href="scan_8cpp_source.html#l00140">scan.cpp:140</a></div></div>
<div class="ttc" id="scalar_8hpp_html"><div class="ttname"><a href="scalar_8hpp.html">scalar.hpp</a></div><div class="ttdoc">Implementation of the ViennaCL scalar class. </div></div>
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