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<div class="title">svd.hpp</div> </div>
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<a href="opencl_2kernels_2svd_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_OPENCL_KERNELS_SVD_HPP</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define VIENNACL_LINALG_OPENCL_KERNELS_SVD_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> <span class="preprocessor">#include "<a class="code" href="tools_8hpp.html">viennacl/tools/tools.hpp</a>"</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="kernel_8hpp.html">viennacl/ocl/kernel.hpp</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="platform_8hpp.html">viennacl/ocl/platform.hpp</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="ocl_2utils_8hpp.html">viennacl/ocl/utils.hpp</a>"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">namespace </span>viennacl</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="keyword">namespace </span>linalg</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span>opencl</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>kernels</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="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2b6175d3f83cd821e06daab3ac1ad466"> 38</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2b6175d3f83cd821e06daab3ac1ad466">generate_svd_bidiag_pack</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</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>  source.append(<span class="stringliteral">"__kernel void bidiag_pack(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* D, \n"</span>);</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* S, \n"</span>);</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  source.append(<span class="stringliteral">" uint size1, \n"</span>);</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  source.append(<span class="stringliteral">" uint size2, \n"</span>);</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  source.append(<span class="stringliteral">" uint stride \n"</span>);</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  source.append(<span class="stringliteral">") { \n"</span>);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  source.append(<span class="stringliteral">" uint size = min(size1, size2); \n"</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>  source.append(<span class="stringliteral">" if(get_global_id(0) == 0) \n"</span>);</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  source.append(<span class="stringliteral">" S[0] = 0; \n"</span>);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">if</span>(is_row_major)</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>  source.append(<span class="stringliteral">" for(uint i = get_global_id(0); i < size ; i += get_global_size(0)) { \n"</span>);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  source.append(<span class="stringliteral">" D[i] = A[i*stride + i]; \n"</span>);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  source.append(<span class="stringliteral">" S[i + 1] = (i + 1 < size2) ? A[i*stride + (i + 1)] : 0; \n"</span>);</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">else</span></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>  source.append(<span class="stringliteral">" for(uint i = get_global_id(0); i < size ; i += get_global_size(0)) { \n"</span>);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  source.append(<span class="stringliteral">" D[i] = A[i*stride + i]; \n"</span>);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  source.append(<span class="stringliteral">" S[i + 1] = (i + 1 < size2) ? A[i + (i + 1) * stride] : 0; \n"</span>);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  source.append(<span class="stringliteral">"} \n"</span>);</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> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a198d151faa9ed845841dd6e54c4d1720"> 68</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a198d151faa9ed845841dd6e54c4d1720">generate_svd_col_reduce_lcl_array</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</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="comment">// calculates a sum of local array elements</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  source.append(<span class="stringliteral">"void col_reduce_lcl_array(__local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* sums, uint lcl_id, uint lcl_sz) { \n"</span>);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  source.append(<span class="stringliteral">" uint step = lcl_sz >> 1; \n"</span>);</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>  source.append(<span class="stringliteral">" while (step > 0) { \n"</span>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  source.append(<span class="stringliteral">" if (lcl_id < step) { \n"</span>);</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  source.append(<span class="stringliteral">" sums[lcl_id] += sums[lcl_id + step]; \n"</span>);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  source.append(<span class="stringliteral">" step >>= 1; \n"</span>);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  source.append(<span class="stringliteral">"} \n"</span>);</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> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71cf92278b63ea07b23d70621e64221e"> 85</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71cf92278b63ea07b23d70621e64221e">generate_svd_copy_col</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">// probably, this is a ugly way</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  source.append(<span class="stringliteral">"__kernel void copy_col(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  source.append(<span class="stringliteral">" uint row_start, \n"</span>);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  source.append(<span class="stringliteral">" uint col_start, \n"</span>);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  source.append(<span class="stringliteral">" uint size, \n"</span>);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  source.append(<span class="stringliteral">" uint stride \n"</span>);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span>(is_row_major)</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>  source.append(<span class="stringliteral">" for(uint i = row_start + glb_id; i < size; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  source.append(<span class="stringliteral">" V[i - row_start] = A[i * stride + col_start]; \n"</span>);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  source.append(<span class="stringliteral">" } \n"</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">else</span></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>  source.append(<span class="stringliteral">" for(uint i = row_start + glb_id; i < size; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  source.append(<span class="stringliteral">" V[i - row_start] = A[i + col_start * stride]; \n"</span>);</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  source.append(<span class="stringliteral">" } \n"</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> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ac6a619337d349abc2e69236f4bba7416"> 114</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ac6a619337d349abc2e69236f4bba7416">generate_svd_copy_row</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="comment">// probably, this is too</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  source.append(<span class="stringliteral">"__kernel void copy_row(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  source.append(<span class="stringliteral">" uint row_start, \n"</span>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  source.append(<span class="stringliteral">" uint col_start, \n"</span>);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  source.append(<span class="stringliteral">" uint size, \n"</span>);</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  source.append(<span class="stringliteral">" uint stride \n"</span>);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">if</span>(is_row_major)</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  {</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  source.append(<span class="stringliteral">" for(uint i = col_start + glb_id; i < size; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  source.append(<span class="stringliteral">" V[i - col_start] = A[row_start * stride + i]; \n"</span>);</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  source.append(<span class="stringliteral">" } \n"</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>  <span class="keywordflow">else</span></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>  source.append(<span class="stringliteral">" for(uint i = col_start + glb_id; i < size; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  source.append(<span class="stringliteral">" V[i - col_start] = A[row_start + i * stride]; \n"</span>);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  source.append(<span class="stringliteral">" } \n"</span>);</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>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> }</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> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa02c92f95d3fa5183013ce74756249cd"> 143</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa02c92f95d3fa5183013ce74756249cd">generate_svd_final_iter_update</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  source.append(<span class="stringliteral">"__kernel void final_iter_update(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  source.append(<span class="stringliteral">" uint n, \n"</span>);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  source.append(<span class="stringliteral">" uint last_n, \n"</span>);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" q, \n"</span>);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" p \n"</span>);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  source.append(<span class="stringliteral">"{ \n"</span>);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  source.append(<span class="stringliteral">" for (uint px = glb_id; px < last_n; px += glb_sz) \n"</span>);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" v_in = A[n * stride + px]; \n"</span>);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" z = A[(n - 1) * stride + px]; \n"</span>);</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  source.append(<span class="stringliteral">" A[(n - 1) * stride + px] = q * z + p * v_in; \n"</span>);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  source.append(<span class="stringliteral">" A[n * stride + px] = q * v_in - p * z; \n"</span>);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> }</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3e7ada351d176c2c90a63032f3eabdcf"> 167</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3e7ada351d176c2c90a63032f3eabdcf">generate_svd_givens_next</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  source.append(<span class="stringliteral">"__kernel void givens_next(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* matr, \n"</span>);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* cs, \n"</span>);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* ss, \n"</span>);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  source.append(<span class="stringliteral">" uint size, \n"</span>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  source.append(<span class="stringliteral">" uint start_i, \n"</span>);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  source.append(<span class="stringliteral">" uint end_i \n"</span>);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  source.append(<span class="stringliteral">"{ \n"</span>);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</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>  source.append(<span class="stringliteral">" uint j = glb_id; \n"</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>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" cs_lcl[256]; \n"</span>);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss_lcl[256]; \n"</span>);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordflow">if</span>(is_row_major)</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  {</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" x = (j < size) ? matr[(end_i + 1) + j * stride] : 0; \n"</span>);</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  source.append(<span class="stringliteral">" uint elems_num = end_i - start_i + 1; \n"</span>);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  source.append(<span class="stringliteral">" uint block_num = (elems_num + lcl_sz - 1) / lcl_sz; \n"</span>);</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  source.append(<span class="stringliteral">" for(uint block_id = 0; block_id < block_num; block_id++) \n"</span>);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  source.append(<span class="stringliteral">" uint to = min(elems_num - block_id * lcl_sz, lcl_sz); \n"</span>);</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>  source.append(<span class="stringliteral">" if(lcl_id < to) \n"</span>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  source.append(<span class="stringliteral">" cs_lcl[lcl_id] = cs[end_i - (lcl_id + block_id * lcl_sz)]; \n"</span>);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  source.append(<span class="stringliteral">" ss_lcl[lcl_id] = ss[end_i - (lcl_id + block_id * lcl_sz)]; \n"</span>);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</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>  source.append(<span class="stringliteral">" if(j < size) \n"</span>);</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  source.append(<span class="stringliteral">" for(uint ind = 0; ind < to; ind++) \n"</span>);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  source.append(<span class="stringliteral">" uint i = end_i - (ind + block_id * lcl_sz); \n"</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" z = matr[i + j * stride]; \n"</span>);</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" cs_val = cs_lcl[ind]; \n"</span>);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss_val = ss_lcl[ind]; \n"</span>);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  source.append(<span class="stringliteral">" matr[(i + 1) + j * stride] = x * cs_val + z * ss_val; \n"</span>);</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  source.append(<span class="stringliteral">" x = -x * ss_val + z * cs_val; \n"</span>);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  source.append(<span class="stringliteral">" if(j < size) \n"</span>);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  source.append(<span class="stringliteral">" matr[(start_i) + j * stride] = x; \n"</span>);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  }</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  {</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" x = (j < size) ? matr[(end_i + 1) * stride + j] : 0; \n"</span>);</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  source.append(<span class="stringliteral">" uint elems_num = end_i - start_i + 1; \n"</span>);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  source.append(<span class="stringliteral">" uint block_num = (elems_num + lcl_sz - 1) / lcl_sz; \n"</span>);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  source.append(<span class="stringliteral">" for(uint block_id = 0; block_id < block_num; block_id++) \n"</span>);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  source.append(<span class="stringliteral">" uint to = min(elems_num - block_id * lcl_sz, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  source.append(<span class="stringliteral">" if(lcl_id < to) \n"</span>);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  source.append(<span class="stringliteral">" cs_lcl[lcl_id] = cs[end_i - (lcl_id + block_id * lcl_sz)]; \n"</span>);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  source.append(<span class="stringliteral">" ss_lcl[lcl_id] = ss[end_i - (lcl_id + block_id * lcl_sz)]; \n"</span>);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</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>  source.append(<span class="stringliteral">" if(j < size) \n"</span>);</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  source.append(<span class="stringliteral">" for(uint ind = 0; ind < to; ind++) \n"</span>);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  source.append(<span class="stringliteral">" uint i = end_i - (ind + block_id * lcl_sz); \n"</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" z = matr[i * stride + j]; \n"</span>);</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" cs_val = cs_lcl[ind]; \n"</span>);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss_val = ss_lcl[ind]; \n"</span>);</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>  source.append(<span class="stringliteral">" matr[(i + 1) * stride + j] = x * cs_val + z * ss_val; \n"</span>);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  source.append(<span class="stringliteral">" x = -x * ss_val + z * cs_val; \n"</span>);</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  source.append(<span class="stringliteral">" if(j < size) \n"</span>);</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  source.append(<span class="stringliteral">" matr[(start_i) * stride + j] = x; \n"</span>);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  }</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  source.append(<span class="stringliteral">"} \n"</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> </div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00272"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#afb2fe1df86a78f4f2f97742f6b463b29"> 272</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#afb2fe1df86a78f4f2f97742f6b463b29">generate_svd_givens_prev</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</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>  source.append(<span class="stringliteral">"__kernel void givens_prev(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* matr, \n"</span>);</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* cs, \n"</span>);</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* ss, \n"</span>);</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  source.append(<span class="stringliteral">" uint size, \n"</span>);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  source.append(<span class="stringliteral">" uint start_i, \n"</span>);</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  source.append(<span class="stringliteral">" uint end_i \n"</span>);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  source.append(<span class="stringliteral">"{ \n"</span>);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</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>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  source.append(<span class="stringliteral">" uint j = glb_id; \n"</span>);</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" cs_lcl[256]; \n"</span>);</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss_lcl[256]; \n"</span>);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" x = (j < size) ? matr[(start_i - 1) * stride + j] : 0; \n"</span>);</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> </div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  source.append(<span class="stringliteral">" uint elems_num = end_i - start_i; \n"</span>);</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  source.append(<span class="stringliteral">" uint block_num = (elems_num + lcl_sz - 1) / lcl_sz; \n"</span>);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> </div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  source.append(<span class="stringliteral">" for (uint block_id = 0; block_id < block_num; block_id++) \n"</span>);</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  source.append(<span class="stringliteral">" uint to = min(elems_num - block_id * lcl_sz, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  source.append(<span class="stringliteral">" if (lcl_id < to) \n"</span>);</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  source.append(<span class="stringliteral">" cs_lcl[lcl_id] = cs[lcl_id + start_i + block_id * lcl_sz]; \n"</span>);</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  source.append(<span class="stringliteral">" ss_lcl[lcl_id] = ss[lcl_id + start_i + block_id * lcl_sz]; \n"</span>);</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  source.append(<span class="stringliteral">" if (j < size) \n"</span>);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  source.append(<span class="stringliteral">" for (uint ind = 0; ind < to; ind++) \n"</span>);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  source.append(<span class="stringliteral">" uint i = ind + start_i + block_id * lcl_sz; \n"</span>);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> </div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" z = matr[i * stride + j]; \n"</span>);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> </div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" cs_val = cs_lcl[ind];//cs[i]; \n"</span>);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss_val = ss_lcl[ind];//ss[i]; \n"</span>);</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>  source.append(<span class="stringliteral">" matr[(i - 1) * stride + j] = x * cs_val + z * ss_val; \n"</span>);</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  source.append(<span class="stringliteral">" x = -x * ss_val + z * cs_val; \n"</span>);</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  source.append(<span class="stringliteral">" if (j < size) \n"</span>);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  source.append(<span class="stringliteral">" matr[(end_i - 1) * stride + j] = x; \n"</span>);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2314bf6a3ca995899978c2504eacdb4b"> 334</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2314bf6a3ca995899978c2504eacdb4b">generate_svd_house_update_A_left</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  source.append(<span class="stringliteral">"__kernel void house_update_A_left( \n"</span>);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  source.append(<span class="stringliteral">" __constant "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>); <span class="comment">//householder vector</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  source.append(<span class="stringliteral">" uint row_start, \n"</span>);</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  source.append(<span class="stringliteral">" uint col_start, \n"</span>);</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  source.append(<span class="stringliteral">" uint size1, \n"</span>);</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  source.append(<span class="stringliteral">" uint size2, \n"</span>);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* sums \n"</span>);</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</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>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</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>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span> </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss = 0; \n"</span>);</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>  <span class="comment">// doing it in slightly different way to avoid cache misses</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">if</span>(is_row_major)</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  {</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  source.append(<span class="stringliteral">" for(uint i = glb_id + col_start; i < size2; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  source.append(<span class="stringliteral">" for(uint j = row_start; j < size1; j++) ss = ss + (V[j] * A[j * stride + i]); \n"</span>);</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span> </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  source.append(<span class="stringliteral">" for(uint j = row_start; j < size1; j++) \n"</span>);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  source.append(<span class="stringliteral">" A[j * stride + i] = A[j * stride + i] - (2 * V[j] * ss); \n"</span>);</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  source.append(<span class="stringliteral">" for(uint i = glb_id + col_start; i < size2; i += glb_sz) { \n"</span>);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  source.append(<span class="stringliteral">" for(uint j = row_start; j < size1; j++) ss = ss + (V[j] * A[j + i * stride]); \n"</span>);</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> </div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  source.append(<span class="stringliteral">" for(uint j = row_start; j < size1; j++) \n"</span>);</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  source.append(<span class="stringliteral">" A[j + i * stride] = A[j + i * stride] - (2 * V[j] * ss); \n"</span>);</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  }</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> }</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="keyword">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00382"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a986156e7f4ee31480fbe542ec4890c46"> 382</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a986156e7f4ee31480fbe542ec4890c46">generate_svd_house_update_A_right</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> {</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>  source.append(<span class="stringliteral">"__kernel void house_update_A_right( \n"</span>);</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>); <span class="comment">// householder vector</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  source.append(<span class="stringliteral">" uint row_start, \n"</span>);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  source.append(<span class="stringliteral">" uint col_start, \n"</span>);</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  source.append(<span class="stringliteral">" uint size1, \n"</span>);</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  source.append(<span class="stringliteral">" uint size2, \n"</span>);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* sums \n"</span>);</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> </div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</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>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</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>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="comment">// update of A matrix</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keywordflow">if</span>(is_row_major)</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  source.append(<span class="stringliteral">" for(uint i = grp_id + row_start; i < size1; i += grp_nm) { \n"</span>);</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> </div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size2; j += lcl_sz) ss = ss + (V[j] * A[i * stride + j]); \n"</span>);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  source.append(<span class="stringliteral">" sums[lcl_id] = ss; \n"</span>);</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> </div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  source.append(<span class="stringliteral">" col_reduce_lcl_array(sums, lcl_id, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" sum_Av = sums[0]; \n"</span>);</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>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size2; j += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  source.append(<span class="stringliteral">" A[i * stride + j] = A[i * stride + j] - (2 * V[j] * sum_Av); \n"</span>);</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  }</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  {</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  source.append(<span class="stringliteral">" for(uint i = grp_id + row_start; i < size1; i += grp_nm) { \n"</span>);</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> </div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size2; j += lcl_sz) ss = ss + (V[j] * A[i + j * stride]); \n"</span>);</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  source.append(<span class="stringliteral">" sums[lcl_id] = ss; \n"</span>);</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> </div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  source.append(<span class="stringliteral">" col_reduce_lcl_array(sums, lcl_id, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" sum_Av = sums[0]; \n"</span>);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> </div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size2; j += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  source.append(<span class="stringliteral">" A[i + j * stride] = A[i + j * stride] - (2 * V[j] * sum_Av); \n"</span>);</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> </div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> }</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">template</span> <<span class="keyword">typename</span> StringType></div>
<div class="line"><a name="l00449"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a8506b81f8f6e700161e4a67d4f2c8dc2"> 449</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a8506b81f8f6e700161e4a67d4f2c8dc2">generate_svd_house_update_QL</a>(StringType & source, std::string <span class="keyword">const</span> & numeric_string, <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a>)</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> {</div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  source.append(<span class="stringliteral">"__kernel void house_update_QL(\n"</span>);</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* QL, \n"</span>);</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  source.append(<span class="stringliteral">" __constant "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>); <span class="comment">//householder vector</span></div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  source.append(<span class="stringliteral">" uint size1, \n"</span>);</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  source.append(<span class="stringliteral">" uint strideQ, \n"</span>);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* sums \n"</span>);</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</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>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> </div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> </div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span>(is_row_major)</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  {</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  source.append(<span class="stringliteral">" for(uint i = grp_id; i < size1; i += grp_nm) { \n"</span>);</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size1; j += lcl_sz) ss = ss + (V[j] * QL[i * strideQ + j]); \n"</span>);</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  source.append(<span class="stringliteral">" sums[lcl_id] = ss; \n"</span>);</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span> </div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  source.append(<span class="stringliteral">" col_reduce_lcl_array(sums, lcl_id, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" sum_Qv = sums[0]; \n"</span>);</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> </div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size1; j += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  source.append(<span class="stringliteral">" QL[i * strideQ + j] = QL[i * strideQ + j] - (2 * V[j] * sum_Qv); \n"</span>);</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  source.append(<span class="stringliteral">" } \n"</span>);</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>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  {</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  source.append(<span class="stringliteral">" for(uint i = grp_id; i < size1; i += grp_nm) { \n"</span>);</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size1; j += lcl_sz) ss = ss + (V[j] * QL[i + j * strideQ]); \n"</span>);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  source.append(<span class="stringliteral">" sums[lcl_id] = ss; \n"</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>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  source.append(<span class="stringliteral">" col_reduce_lcl_array(sums, lcl_id, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" sum_Qv = sums[0]; \n"</span>);</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  source.append(<span class="stringliteral">" for(uint j = lcl_id; j < size1; j += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  source.append(<span class="stringliteral">" QL[i + j * strideQ] = QL[i + j * strideQ] - (2 * V[j] * sum_Qv); \n"</span>);</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  }</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> </div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> }</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> </div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00508"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa6d359797763e880a73bd22c1f87fc10"> 508</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa6d359797763e880a73bd22c1f87fc10">generate_svd_house_update_QR</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</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>  source.append(<span class="stringliteral">"__kernel void house_update_QR( \n"</span>);</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* QR, \n"</span>);</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* V, \n"</span>); <span class="comment">// householder vector</span></div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  source.append(<span class="stringliteral">" uint size1, \n"</span>);</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  source.append(<span class="stringliteral">" uint size2, \n"</span>);</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  source.append(<span class="stringliteral">" uint strideQ, \n"</span>);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  source.append(<span class="stringliteral">" __local "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* sums \n"</span>);</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  source.append(<span class="stringliteral">" ) { \n"</span>);</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> </div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> </div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  source.append(<span class="stringliteral">" uint grp_id = get_group_id(0); \n"</span>);</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  source.append(<span class="stringliteral">" uint grp_nm = get_num_groups(0); \n"</span>);</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> </div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  source.append(<span class="stringliteral">" uint lcl_id = get_local_id(0); \n"</span>);</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  source.append(<span class="stringliteral">" uint lcl_sz = get_local_size(0); \n"</span>);</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> </div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">// update of QR matrix</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="comment">// Actually, we are calculating a transpose of right matrix. This allows to avoid cache</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="comment">// misses.</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  source.append(<span class="stringliteral">" for (uint i = grp_id; i < size2; i += grp_nm) { \n"</span>);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  source.append(<span class="stringliteral">" ss = 0; \n"</span>);</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  source.append(<span class="stringliteral">" for (uint j = lcl_id; j < size2; j += lcl_sz) ss = ss + (V[j] * QR[i * strideQ + j]); \n"</span>);</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  source.append(<span class="stringliteral">" sums[lcl_id] = ss; \n"</span>);</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>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</span>);</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  source.append(<span class="stringliteral">" col_reduce_lcl_array(sums, lcl_id, lcl_sz); \n"</span>);</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  source.append(<span class="stringliteral">" barrier(CLK_LOCAL_MEM_FENCE); \n"</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>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" sum_Qv = sums[0]; \n"</span>);</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  source.append(<span class="stringliteral">" for (uint j = lcl_id; j < size2; j += lcl_sz) \n"</span>);</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  source.append(<span class="stringliteral">" QR[i * strideQ + j] = QR[i * strideQ + j] - (2 * V[j] * sum_Qv); \n"</span>);</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span> }</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span> </div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00549"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd1b7bfd307875135e20920575174e4e"> 549</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd1b7bfd307875135e20920575174e4e">generate_svd_inverse_signs</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span> {</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  source.append(<span class="stringliteral">"__kernel void inverse_signs(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* v, \n"</span>);</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* signs, \n"</span>);</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  source.append(<span class="stringliteral">" uint size, \n"</span>);</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  source.append(<span class="stringliteral">" uint stride \n"</span>);</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  source.append(<span class="stringliteral">" ) \n"</span>);</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  source.append(<span class="stringliteral">"{ \n"</span>);</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  source.append(<span class="stringliteral">" uint glb_id_x = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  source.append(<span class="stringliteral">" uint glb_id_y = get_global_id(1); \n"</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>  source.append(<span class="stringliteral">" if ((glb_id_x < size) && (glb_id_y < size)) \n"</span>);</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  source.append(<span class="stringliteral">" v[glb_id_x * stride + glb_id_y] *= signs[glb_id_x]; \n"</span>);</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> </div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> }</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> </div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00567"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abb44553f086222188bf3d0413bcc634c"> 567</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abb44553f086222188bf3d0413bcc634c">generate_svd_transpose_inplace</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span> {</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> </div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  source.append(<span class="stringliteral">"__kernel void transpose_inplace(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* input, \n"</span>);</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  source.append(<span class="stringliteral">" unsigned int row_num, \n"</span>);</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  source.append(<span class="stringliteral">" unsigned int col_num) { \n"</span>);</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  source.append(<span class="stringliteral">" unsigned int size = row_num * col_num; \n"</span>);</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  source.append(<span class="stringliteral">" for (unsigned int i = get_global_id(0); i < size; i+= get_global_size(0)) { \n"</span>);</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  source.append(<span class="stringliteral">" unsigned int row = i / col_num; \n"</span>);</div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  source.append(<span class="stringliteral">" unsigned int col = i - row*col_num; \n"</span>);</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> </div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  source.append(<span class="stringliteral">" unsigned int new_pos = col * row_num + row; \n"</span>);</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> </div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <span class="comment">//new_pos = (col < row) ? 0 : 1;</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="comment">//input[i] = new_pos;</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> </div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  source.append(<span class="stringliteral">" if (i < new_pos) { \n"</span>);</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" val = input[i]; \n"</span>);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  source.append(<span class="stringliteral">" input[i] = input[new_pos]; \n"</span>);</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  source.append(<span class="stringliteral">" input[new_pos] = val; \n"</span>);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> </div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> }</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> <span class="keyword">template</span><<span class="keyword">typename</span> StringT></div>
<div class="line"><a name="l00594"></a><span class="lineno"><a class="line" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a94f9fe10c3a77798a44a0dcce9480e1b"> 594</a></span> <span class="keywordtype">void</span> <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a94f9fe10c3a77798a44a0dcce9480e1b">generate_svd_update_qr_column</a>(StringT & source, std::string <span class="keyword">const</span> & numeric_string)</div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> {</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  source.append(<span class="stringliteral">"__kernel void update_qr_column(__global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* A, \n"</span>);</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  source.append(<span class="stringliteral">" uint stride, \n"</span>);</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  source.append(<span class="stringliteral">" __global "</span>); source.append(numeric_string); source.append(<span class="stringliteral">"* buf, \n"</span>);</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  source.append(<span class="stringliteral">" int m, \n"</span>);</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  source.append(<span class="stringliteral">" int n, \n"</span>);</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  source.append(<span class="stringliteral">" int last_n) \n"</span>);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  source.append(<span class="stringliteral">"{ \n"</span>);</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  source.append(<span class="stringliteral">" uint glb_id = get_global_id(0); \n"</span>);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  source.append(<span class="stringliteral">" uint glb_sz = get_global_size(0); \n"</span>);</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>  source.append(<span class="stringliteral">" for (int i = glb_id; i < last_n; i += glb_sz) \n"</span>);</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" a_ik = A[m * stride + i], a_ik_1, a_ik_2; \n"</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>  source.append(<span class="stringliteral">" a_ik_1 = A[(m + 1) * stride + i]; \n"</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>  source.append(<span class="stringliteral">" for (int k = m; k < n; k++) \n"</span>);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  source.append(<span class="stringliteral">" bool notlast = (k != n - 1); \n"</span>);</div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> </div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  source.append(<span class="stringliteral">" "</span>); source.append(numeric_string); source.append(<span class="stringliteral">" p = buf[5 * k] * a_ik + buf[5 * k + 1] * a_ik_1; \n"</span>);</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span> </div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  source.append(<span class="stringliteral">" if (notlast) \n"</span>);</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  source.append(<span class="stringliteral">" { \n"</span>);</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  source.append(<span class="stringliteral">" a_ik_2 = A[(k + 2) * stride + i]; \n"</span>);</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  source.append(<span class="stringliteral">" p = p + buf[5 * k + 2] * a_ik_2; \n"</span>);</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  source.append(<span class="stringliteral">" a_ik_2 = a_ik_2 - p * buf[5 * k + 4]; \n"</span>);</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span> </div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  source.append(<span class="stringliteral">" A[k * stride + i] = a_ik - p; \n"</span>);</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  source.append(<span class="stringliteral">" a_ik_1 = a_ik_1 - p * buf[5 * k + 3]; \n"</span>);</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span> </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  source.append(<span class="stringliteral">" a_ik = a_ik_1; \n"</span>);</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  source.append(<span class="stringliteral">" a_ik_1 = a_ik_2; \n"</span>);</div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> </div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  source.append(<span class="stringliteral">" A[n * stride + i] = a_ik; \n"</span>);</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  source.append(<span class="stringliteral">" } \n"</span>);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> </div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  source.append(<span class="stringliteral">"} \n"</span>);</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> }</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> </div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span> </div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span> <span class="comment">// main kernel class</span></div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span> <span class="comment"></span><span class="keyword">template</span><<span class="keyword">typename</span> NumericT, <span class="keyword">typename</span> MatrixLayout = row_major></div>
<div class="line"><a name="l00644"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html"> 644</a></span> <span class="keyword">struct </span><a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html">svd</a></div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> {</div>
<div class="line"><a name="l00646"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ac9fd3775814c9ae28a138391f8463de0"> 646</a></span>  <span class="keyword">static</span> std::string <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ac9fd3775814c9ae28a138391f8463de0">program_name</a>()</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  {</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <span class="keywordtype">bool</span> is_row = <a class="code" href="structviennacl_1_1is__row__major.html">viennacl::is_row_major<MatrixLayout>::value</a>;</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <span class="keywordflow">return</span> (<a class="code" href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string<NumericT>::apply</a>() + <span class="stringliteral">"_svd_"</span>) + (is_row ? <span class="stringliteral">"row"</span> : <span class="stringliteral">"col"</span>);</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  }</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span> </div>
<div class="line"><a name="l00652"></a><span class="lineno"><a class="line" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ab9e831dbb989de8ddc771c949658b514"> 652</a></span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ab9e831dbb989de8ddc771c949658b514">init</a>(<a class="code" href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a> & ctx)</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  {</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keyword">static</span> std::map<cl_context, bool> init_done;</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (!init_done[ctx.<a class="code" href="classviennacl_1_1ocl_1_1context.html#a611d95b11db04230f63e37bfeae911db">handle</a>().<a class="code" href="classviennacl_1_1ocl_1_1handle.html#a5074caaee700015fc2d3b03540b01673">get</a>()])</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  {</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  <a class="code" href="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r.html#ae23d18c854e1df43cd329a5c1fdd6d9f">viennacl::ocl::DOUBLE_PRECISION_CHECKER<NumericT>::apply</a>(ctx);</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  std::string numeric_string = <a class="code" href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string<NumericT>::apply</a>();</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <span class="keywordtype">bool</span> <a class="code" href="structviennacl_1_1is__row__major.html">is_row_major</a> = <a class="code" href="structviennacl_1_1is__row__major.html">viennacl::is_row_major<MatrixLayout>::value</a>;</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span> </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  std::string source;</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  source.reserve(1024);</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span> </div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  viennacl::ocl::append_double_precision_pragma<NumericT>(ctx, source);</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span> </div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="comment">// only generate for floating points (forces error for integers)</span></div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <span class="keywordflow">if</span> (numeric_string == <span class="stringliteral">"float"</span> || numeric_string == <span class="stringliteral">"double"</span>)</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  {</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="comment">//helper function used by multiple kernels:</span></div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a198d151faa9ed845841dd6e54c4d1720">generate_svd_col_reduce_lcl_array</a>(source, numeric_string);</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span> </div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <span class="comment">//kernels:</span></div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2b6175d3f83cd821e06daab3ac1ad466">generate_svd_bidiag_pack</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71cf92278b63ea07b23d70621e64221e">generate_svd_copy_col</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ac6a619337d349abc2e69236f4bba7416">generate_svd_copy_row</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa02c92f95d3fa5183013ce74756249cd">generate_svd_final_iter_update</a>(source, numeric_string);</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3e7ada351d176c2c90a63032f3eabdcf">generate_svd_givens_next</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#afb2fe1df86a78f4f2f97742f6b463b29">generate_svd_givens_prev</a>(source, numeric_string);</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2314bf6a3ca995899978c2504eacdb4b">generate_svd_house_update_A_left</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a986156e7f4ee31480fbe542ec4890c46">generate_svd_house_update_A_right</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a8506b81f8f6e700161e4a67d4f2c8dc2">generate_svd_house_update_QL</a>(source, numeric_string, is_row_major);</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa6d359797763e880a73bd22c1f87fc10">generate_svd_house_update_QR</a>(source, numeric_string);</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd1b7bfd307875135e20920575174e4e">generate_svd_inverse_signs</a>(source, numeric_string);</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abb44553f086222188bf3d0413bcc634c">generate_svd_transpose_inplace</a>(source, numeric_string);</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <a class="code" href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a94f9fe10c3a77798a44a0dcce9480e1b">generate_svd_update_qr_column</a>(source, numeric_string);</div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  }</div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span> </div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  std::string prog_name = <a class="code" href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ac9fd3775814c9ae28a138391f8463de0">program_name</a>();</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="preprocessor"> #ifdef VIENNACL_BUILD_INFO</span></div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  std::cout << <span class="stringliteral">"Creating program "</span> << prog_name << std::endl;</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span> <span class="preprocessor"> #endif</span></div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  ctx.add_program(source, prog_name);</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  init_done[ctx.handle().get()] = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  } <span class="comment">//if</span></div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  } <span class="comment">//init</span></div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span> };</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span> </div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span> } <span class="comment">// namespace kernels</span></div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> } <span class="comment">// namespace opencl</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span> } <span class="comment">// namespace linalg</span></div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span> } <span class="comment">// namespace viennacl</span></div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span> </div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_ac6a619337d349abc2e69236f4bba7416"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#ac6a619337d349abc2e69236f4bba7416">viennacl::linalg::opencl::kernels::generate_svd_copy_row</a></div><div class="ttdeci">void generate_svd_copy_row(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00114">svd.hpp:114</a></div></div>
<div class="ttc" id="platform_8hpp_html"><div class="ttname"><a href="platform_8hpp.html">platform.hpp</a></div><div class="ttdoc">Implements a OpenCL platform within ViennaCL. </div></div>
<div class="ttc" id="structviennacl_1_1is__row__major_html"><div class="ttname"><a href="structviennacl_1_1is__row__major.html">viennacl::is_row_major</a></div><div class="ttdoc">Helper class for checking whether a matrix has a row-major layout. </div><div class="ttdef"><b>Definition:</b> <a href="forwards_8h_source.html#l00484">forwards.h:484</a></div></div>
<div class="ttc" id="tools_8hpp_html"><div class="ttname"><a href="tools_8hpp.html">tools.hpp</a></div><div class="ttdoc">Various little tools used here and there in ViennaCL. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a2b6175d3f83cd821e06daab3ac1ad466"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2b6175d3f83cd821e06daab3ac1ad466">viennacl::linalg::opencl::kernels::generate_svd_bidiag_pack</a></div><div class="ttdeci">void generate_svd_bidiag_pack(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00038">svd.hpp:38</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_aa02c92f95d3fa5183013ce74756249cd"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa02c92f95d3fa5183013ce74756249cd">viennacl::linalg::opencl::kernels::generate_svd_final_iter_update</a></div><div class="ttdeci">void generate_svd_final_iter_update(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00143">svd.hpp:143</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1context_html"><div class="ttname"><a href="classviennacl_1_1ocl_1_1context.html">viennacl::ocl::context</a></div><div class="ttdoc">Manages an OpenCL context and provides the respective convenience functions for creating buffers...</div><div class="ttdef"><b>Definition:</b> <a href="ocl_2context_8hpp_source.html#l00055">context.hpp:55</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a94f9fe10c3a77798a44a0dcce9480e1b"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a94f9fe10c3a77798a44a0dcce9480e1b">viennacl::linalg::opencl::kernels::generate_svd_update_qr_column</a></div><div class="ttdeci">void generate_svd_update_qr_column(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00594">svd.hpp:594</a></div></div>
<div class="ttc" id="ocl_2utils_8hpp_html"><div class="ttname"><a href="ocl_2utils_8hpp.html">utils.hpp</a></div><div class="ttdoc">Provides OpenCL-related utilities. </div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd_html_ac9fd3775814c9ae28a138391f8463de0"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ac9fd3775814c9ae28a138391f8463de0">viennacl::linalg::opencl::kernels::svd::program_name</a></div><div class="ttdeci">static std::string program_name()</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00646">svd.hpp:646</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_acd1b7bfd307875135e20920575174e4e"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#acd1b7bfd307875135e20920575174e4e">viennacl::linalg::opencl::kernels::generate_svd_inverse_signs</a></div><div class="ttdeci">void generate_svd_inverse_signs(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00549">svd.hpp:549</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd_html_ab9e831dbb989de8ddc771c949658b514"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html#ab9e831dbb989de8ddc771c949658b514">viennacl::linalg::opencl::kernels::svd::init</a></div><div class="ttdeci">static void init(viennacl::ocl::context &ctx)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00652">svd.hpp:652</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1context_html_a611d95b11db04230f63e37bfeae911db"><div class="ttname"><a href="classviennacl_1_1ocl_1_1context.html#a611d95b11db04230f63e37bfeae911db">viennacl::ocl::context::handle</a></div><div class="ttdeci">const viennacl::ocl::handle< cl_context > & handle() const </div><div class="ttdoc">Returns the context handle. </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2context_8hpp_source.html#l00611">context.hpp:611</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_aa6d359797763e880a73bd22c1f87fc10"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#aa6d359797763e880a73bd22c1f87fc10">viennacl::linalg::opencl::kernels::generate_svd_house_update_QR</a></div><div class="ttdeci">void generate_svd_house_update_QR(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00508">svd.hpp:508</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_abb44553f086222188bf3d0413bcc634c"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#abb44553f086222188bf3d0413bcc634c">viennacl::linalg::opencl::kernels::generate_svd_transpose_inplace</a></div><div class="ttdeci">void generate_svd_transpose_inplace(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00567">svd.hpp:567</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_afb2fe1df86a78f4f2f97742f6b463b29"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#afb2fe1df86a78f4f2f97742f6b463b29">viennacl::linalg::opencl::kernels::generate_svd_givens_prev</a></div><div class="ttdeci">void generate_svd_givens_prev(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00272">svd.hpp:272</a></div></div>
<div class="ttc" id="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r_html_ae23d18c854e1df43cd329a5c1fdd6d9f"><div class="ttname"><a href="structviennacl_1_1ocl_1_1_d_o_u_b_l_e___p_r_e_c_i_s_i_o_n___c_h_e_c_k_e_r.html#ae23d18c854e1df43cd329a5c1fdd6d9f">viennacl::ocl::DOUBLE_PRECISION_CHECKER::apply</a></div><div class="ttdeci">static void apply(viennacl::ocl::context const &)</div><div class="ttdef"><b>Definition:</b> <a href="ocl_2utils_8hpp_source.html#l00040">utils.hpp:40</a></div></div>
<div class="ttc" id="classviennacl_1_1ocl_1_1handle_html_a5074caaee700015fc2d3b03540b01673"><div class="ttname"><a href="classviennacl_1_1ocl_1_1handle.html#a5074caaee700015fc2d3b03540b01673">viennacl::ocl::handle::get</a></div><div class="ttdeci">const OCL_TYPE & get() const </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2handle_8hpp_source.html#l00191">handle.hpp:191</a></div></div>
<div class="ttc" id="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd_html"><div class="ttname"><a href="structviennacl_1_1linalg_1_1opencl_1_1kernels_1_1svd.html">viennacl::linalg::opencl::kernels::svd</a></div><div class="ttdoc">Main kernel class for generating OpenCL kernels for singular value decomposition of dense matrices...</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00644">svd.hpp:644</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a986156e7f4ee31480fbe542ec4890c46"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a986156e7f4ee31480fbe542ec4890c46">viennacl::linalg::opencl::kernels::generate_svd_house_update_A_right</a></div><div class="ttdeci">void generate_svd_house_update_A_right(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00382">svd.hpp:382</a></div></div>
<div class="ttc" id="kernel_8hpp_html"><div class="ttname"><a href="kernel_8hpp.html">kernel.hpp</a></div><div class="ttdoc">Representation of an OpenCL kernel in ViennaCL. </div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a198d151faa9ed845841dd6e54c4d1720"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a198d151faa9ed845841dd6e54c4d1720">viennacl::linalg::opencl::kernels::generate_svd_col_reduce_lcl_array</a></div><div class="ttdeci">void generate_svd_col_reduce_lcl_array(StringT &source, std::string const &numeric_string)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00068">svd.hpp:68</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a71cf92278b63ea07b23d70621e64221e"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a71cf92278b63ea07b23d70621e64221e">viennacl::linalg::opencl::kernels::generate_svd_copy_col</a></div><div class="ttdeci">void generate_svd_copy_col(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00085">svd.hpp:85</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a8506b81f8f6e700161e4a67d4f2c8dc2"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a8506b81f8f6e700161e4a67d4f2c8dc2">viennacl::linalg::opencl::kernels::generate_svd_house_update_QL</a></div><div class="ttdeci">void generate_svd_house_update_QL(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00449">svd.hpp:449</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a3e7ada351d176c2c90a63032f3eabdcf"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a3e7ada351d176c2c90a63032f3eabdcf">viennacl::linalg::opencl::kernels::generate_svd_givens_next</a></div><div class="ttdeci">void generate_svd_givens_next(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00167">svd.hpp:167</a></div></div>
<div class="ttc" id="structviennacl_1_1ocl_1_1type__to__string_html"><div class="ttname"><a href="structviennacl_1_1ocl_1_1type__to__string.html">viennacl::ocl::type_to_string</a></div><div class="ttdoc">Helper class for converting a type to its string representation. </div><div class="ttdef"><b>Definition:</b> <a href="ocl_2utils_8hpp_source.html#l00057">utils.hpp:57</a></div></div>
<div class="ttc" id="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels_html_a2314bf6a3ca995899978c2504eacdb4b"><div class="ttname"><a href="namespaceviennacl_1_1linalg_1_1opencl_1_1kernels.html#a2314bf6a3ca995899978c2504eacdb4b">viennacl::linalg::opencl::kernels::generate_svd_house_update_A_left</a></div><div class="ttdeci">void generate_svd_house_update_A_left(StringType &source, std::string const &numeric_string, bool is_row_major)</div><div class="ttdef"><b>Definition:</b> <a href="opencl_2kernels_2svd_8hpp_source.html#l00334">svd.hpp:334</a></div></div>
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