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If a copy of the MPL was not distributed</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef EIGEN_NUMTRAITS_H</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_NUMTRAITS_H</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>Eigen {</div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span>GenericNumTraits</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> {</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keyword">enum</span> {</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  IsInteger = std::numeric_limits<T>::is_integer,</div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  IsSigned = std::numeric_limits<T>::is_signed,</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  IsComplex = 0,</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  RequireInitialization = internal::is_arithmetic<T>::value ? 0 : 1,</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  ReadCost = 1,</div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  AddCost = 1,</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  MulCost = 1</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  };</div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">typedef</span> T Real;</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::conditional<</div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  IsInteger,</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">typename</span> internal::conditional<sizeof(T)<=2, float, double>::type,</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  T</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  >::type NonInteger;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">typedef</span> T Nested;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">static</span> <span class="keyword">inline</span> Real epsilon() { <span class="keywordflow">return</span> std::numeric_limits<T>::epsilon(); }</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">static</span> <span class="keyword">inline</span> Real dummy_precision()</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>  <span class="comment">// make sure to override this for floating-point types</span></div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">return</span> Real(0);</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">static</span> <span class="keyword">inline</span> T highest() { <span class="keywordflow">return</span> (std::numeric_limits<T>::max)(); }</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">static</span> <span class="keyword">inline</span> T lowest() { <span class="keywordflow">return</span> IsInteger ? (std::numeric_limits<T>::min)() : (-(std::numeric_limits<T>::max)()); }</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  </div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor">#ifdef EIGEN2_SUPPORT</span></div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor"></span> <span class="keyword">enum</span> {</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  HasFloatingPoint = !IsInteger</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">typedef</span> NonInteger FloatingPoint;</div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"></span>};</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div> <div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structEigen_1_1NumTraits.html"> 88</a></span> <span class="keyword">template</span><<span class="keyword">typename</span> T> <span class="keyword">struct </span><a class="code" href="structEigen_1_1NumTraits.html">NumTraits</a> : GenericNumTraits<T></div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> {};</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">template</span><> <span class="keyword">struct </span><a class="code" href="structEigen_1_1NumTraits.html">NumTraits</a><float></div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  : GenericNumTraits<float></div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">float</span> dummy_precision() { <span class="keywordflow">return</span> 1e-5f; }</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> };</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">template</span><> <span class="keyword">struct </span>NumTraits<double> : GenericNumTraits<double></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>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">double</span> dummy_precision() { <span class="keywordflow">return</span> 1e-12; }</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> };</div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">template</span><> <span class="keyword">struct </span>NumTraits<long double></div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  : GenericNumTraits<long double></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>  <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">long</span> <span class="keywordtype">double</span> dummy_precision() { <span class="keywordflow">return</span> 1e-15l; }</div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> };</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword">template</span><<span class="keyword">typename</span> _Real> <span class="keyword">struct </span>NumTraits<std::complex<_Real> ></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  : GenericNumTraits<std::complex<_Real> ></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> {</div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">typedef</span> _Real Real;</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">enum</span> {</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  IsComplex = 1,</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  RequireInitialization = NumTraits<_Real>::RequireInitialization,</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  ReadCost = 2 * NumTraits<_Real>::ReadCost,</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  AddCost = 2 * NumTraits<Real>::AddCost,</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  MulCost = 4 * NumTraits<Real>::MulCost + 2 * NumTraits<Real>::AddCost</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  };</div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">static</span> <span class="keyword">inline</span> Real epsilon() { <span class="keywordflow">return</span> NumTraits<Real>::epsilon(); }</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">static</span> <span class="keyword">inline</span> Real dummy_precision() { <span class="keywordflow">return</span> NumTraits<Real>::dummy_precision(); }</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> };</div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="keyword">template</span><<span class="keyword">typename</span> Scalar, <span class="keywordtype">int</span> Rows, <span class="keywordtype">int</span> Cols, <span class="keywordtype">int</span> Options, <span class="keywordtype">int</span> MaxRows, <span class="keywordtype">int</span> MaxCols></div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">struct </span>NumTraits<Array<Scalar, Rows, Cols, Options, MaxRows, MaxCols> ></div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">typedef</span> Array<Scalar, Rows, Cols, Options, MaxRows, MaxCols> ArrayType;</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> NumTraits<Scalar>::Real RealScalar;</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">typedef</span> Array<RealScalar, Rows, Cols, Options, MaxRows, MaxCols> Real;</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> NumTraits<Scalar>::NonInteger NonIntegerScalar;</div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">typedef</span> Array<NonIntegerScalar, Rows, Cols, Options, MaxRows, MaxCols> NonInteger;</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">typedef</span> ArrayType & Nested;</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">enum</span> {</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  IsComplex = NumTraits<Scalar>::IsComplex,</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  IsInteger = NumTraits<Scalar>::IsInteger,</div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  IsSigned = NumTraits<Scalar>::IsSigned,</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  RequireInitialization = 1,</div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  ReadCost = ArrayType::SizeAtCompileTime==<a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> ? <a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> : ArrayType::SizeAtCompileTime * NumTraits<Scalar>::ReadCost,</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  AddCost = ArrayType::SizeAtCompileTime==<a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> ? <a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> : ArrayType::SizeAtCompileTime * NumTraits<Scalar>::AddCost,</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  MulCost = ArrayType::SizeAtCompileTime==<a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> ? <a class="code" href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Dynamic</a> : ArrayType::SizeAtCompileTime * NumTraits<Scalar>::MulCost</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  };</div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">static</span> <span class="keyword">inline</span> RealScalar epsilon() { <span class="keywordflow">return</span> NumTraits<RealScalar>::epsilon(); }</div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keyword">static</span> <span class="keyword">inline</span> RealScalar dummy_precision() { <span class="keywordflow">return</span> NumTraits<RealScalar>::dummy_precision(); }</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> };</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> } <span class="comment">// end namespace Eigen</span></div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> </div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#endif // EIGEN_NUMTRAITS_H</span></div> <div class="ttc" id="structEigen_1_1NumTraits_html"><div class="ttname"><a href="structEigen_1_1NumTraits.html">Eigen::NumTraits</a></div><div class="ttdoc">Holds information about the various numeric (i.e. scalar) types allowed by Eigen. ...</div><div class="ttdef"><b>Definition:</b> NumTraits.h:88</div></div> <div class="ttc" id="namespaceEigen_html_adc9da5be31bdce40c25a92c27999c0e3"><div class="ttname"><a href="namespaceEigen.html#adc9da5be31bdce40c25a92c27999c0e3">Eigen::Dynamic</a></div><div class="ttdeci">const int Dynamic</div><div class="ttdef"><b>Definition:</b> Constants.h:21</div></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_e49d68e3078f12dfcf157021597ad168.html">Eigen</a></li><li class="navelem"><a class="el" href="dir_64b228556dc7f9fe757d43bb57fbfc24.html">src</a></li><li class="navelem"><a class="el" href="dir_55812ea607075be3acfc18281a2aed64.html">Core</a></li><li class="navelem"><b>NumTraits.h</b></li> <li class="footer">Generated on Mon Oct 28 2013 11:04:24 for Eigen by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.5 </li> </ul> </div> <!-- Piwik --> <!-- <script type="text/javascript"> var pkBaseURL = (("https:" == document.location.protocol) ? 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