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<div class="title">CwiseUnaryOp.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// for linear algebra.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">//</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright (C) 2008-2010 Gael Guennebaud <gael.guennebaud@inria.fr></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com></span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// This Source Code Form is subject to the terms of the Mozilla</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Public License v. 2.0. If a copy of the MPL was not distributed</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</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="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#ifndef EIGEN_CWISE_UNARY_OP_H</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_CWISE_UNARY_OP_H</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span>Eigen { </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">namespace </span>internal {</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">template</span><<span class="keyword">typename</span> UnaryOp, <span class="keyword">typename</span> XprType></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">struct </span>traits<CwiseUnaryOp<UnaryOp, XprType> ></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  : traits<XprType></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> result_of<</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  UnaryOp(<span class="keyword">typename</span> XprType::Scalar)</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  >::type Scalar;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> XprType::Nested XprTypeNested;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> remove_reference<XprTypeNested>::type _XprTypeNested;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  Flags = _XprTypeNested::Flags & (</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  HereditaryBits | <a class="code" href="group__flags.html#gab9799bf6feed77fc9fce0136ee55b99c">LinearAccessBit</a> | <a class="code" href="group__flags.html#ga972a2dcb6603215fa53e0b9e82051426">AlignedBit</a></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  | (functor_traits<UnaryOp>::PacketAccess ? <a class="code" href="group__flags.html#gaa780614dc11271c147db56e9c1524e76">PacketAccessBit</a> : 0)),</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  CoeffReadCost = _XprTypeNested::CoeffReadCost + functor_traits<UnaryOp>::Cost</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  };</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> };</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">template</span><<span class="keyword">typename</span> UnaryOp, <span class="keyword">typename</span> XprType, <span class="keyword">typename</span> StorageKind></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">class </span>CwiseUnaryOpImpl;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">template</span><<span class="keyword">typename</span> UnaryOp, <span class="keyword">typename</span> XprType></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classEigen_1_1CwiseUnaryOp.html"> 59</a></span> <span class="keyword">class </span><a class="code" href="classEigen_1_1CwiseUnaryOp.html">CwiseUnaryOp</a> : internal::no_assignment_operator,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">public</span> CwiseUnaryOpImpl<UnaryOp, XprType, typename internal::traits<XprType>::StorageKind></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> {</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> CwiseUnaryOpImpl<UnaryOp, XprType,typename internal::traits<XprType>::StorageKind>::Base Base;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  EIGEN_GENERIC_PUBLIC_INTERFACE(<a class="code" href="classEigen_1_1CwiseUnaryOp.html">CwiseUnaryOp</a>)</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">inline</span> <a class="code" href="classEigen_1_1CwiseUnaryOp.html">CwiseUnaryOp</a>(<span class="keyword">const</span> XprType& xpr, <span class="keyword">const</span> UnaryOp& func = UnaryOp())</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  : m_xpr(xpr), m_functor(func) {}</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>  EIGEN_STRONG_INLINE Index rows()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_xpr.rows(); }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  EIGEN_STRONG_INLINE Index cols()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_xpr.cols(); }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="classEigen_1_1CwiseUnaryOp.html#a7722c34f4e6f9e43d9dc374e6157f224"> 74</a></span>  <span class="keyword">const</span> UnaryOp& <a class="code" href="classEigen_1_1CwiseUnaryOp.html#a7722c34f4e6f9e43d9dc374e6157f224">functor</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_functor; }</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <span class="keyword">typename</span> internal::remove_all<typename XprType::Nested>::type&</div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classEigen_1_1CwiseUnaryOp.html#a070213b3e875653316258530a582255b"> 78</a></span>  <a class="code" href="classEigen_1_1CwiseUnaryOp.html#a070213b3e875653316258530a582255b">nestedExpression</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> m_xpr; }</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">typename</span> internal::remove_all<typename XprType::Nested>::type&</div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="line" href="classEigen_1_1CwiseUnaryOp.html#a53c7706fa7c60b8a92bb5cb6c9c6d41d"> 82</a></span>  <a class="code" href="classEigen_1_1CwiseUnaryOp.html#a53c7706fa7c60b8a92bb5cb6c9c6d41d">nestedExpression</a>() { <span class="keywordflow">return</span> m_xpr.const_cast_derived(); }</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">protected</span>:</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">typename</span> XprType::Nested m_xpr;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">const</span> UnaryOp m_functor;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> };</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">// This is the generic implementation for dense storage.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">// It can be used for any expression types implementing the dense concept.</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">template</span><<span class="keyword">typename</span> UnaryOp, <span class="keyword">typename</span> XprType></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">class </span>CwiseUnaryOpImpl<UnaryOp,XprType,Dense></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : <span class="keyword">public</span> internal::dense_xpr_base<CwiseUnaryOp<UnaryOp, XprType> >::type</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">public</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">typedef</span> CwiseUnaryOp<UnaryOp, XprType> Derived;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> internal::dense_xpr_base<CwiseUnaryOp<UnaryOp, XprType> >::type Base;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  EIGEN_DENSE_PUBLIC_INTERFACE(Derived)</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>  EIGEN_STRONG_INLINE const Scalar coeff(Index rowId, Index colId)<span class="keyword"> const</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> derived().functor()(derived().nestedExpression().coeff(rowId, colId));</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> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  EIGEN_STRONG_INLINE PacketScalar packet(Index rowId, Index colId)<span class="keyword"> const</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> derived().functor().packetOp(derived().nestedExpression().<span class="keyword">template</span> packet<LoadMode>(rowId, colId));</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  EIGEN_STRONG_INLINE <span class="keyword">const</span> Scalar coeff(Index index)<span class="keyword"> const</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> derived().functor()(derived().nestedExpression().coeff(index));</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> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keyword">template</span><<span class="keywordtype">int</span> LoadMode></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  EIGEN_STRONG_INLINE PacketScalar packet(Index index)<span class="keyword"> const</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> derived().functor().packetOp(derived().nestedExpression().<span class="keyword">template</span> packet<LoadMode>(index));</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> };</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> } <span class="comment">// end namespace Eigen</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#endif // EIGEN_CWISE_UNARY_OP_H</span></div>
<div class="ttc" id="classEigen_1_1CwiseUnaryOp_html_a7722c34f4e6f9e43d9dc374e6157f224"><div class="ttname"><a href="classEigen_1_1CwiseUnaryOp.html#a7722c34f4e6f9e43d9dc374e6157f224">Eigen::CwiseUnaryOp::functor</a></div><div class="ttdeci">const UnaryOp & functor() const </div><div class="ttdef"><b>Definition:</b> CwiseUnaryOp.h:74</div></div>
<div class="ttc" id="classEigen_1_1CwiseUnaryOp_html_a53c7706fa7c60b8a92bb5cb6c9c6d41d"><div class="ttname"><a href="classEigen_1_1CwiseUnaryOp.html#a53c7706fa7c60b8a92bb5cb6c9c6d41d">Eigen::CwiseUnaryOp::nestedExpression</a></div><div class="ttdeci">internal::remove_all< typename XprType::Nested >::type & nestedExpression()</div><div class="ttdef"><b>Definition:</b> CwiseUnaryOp.h:82</div></div>
<div class="ttc" id="group__flags_html_gaa780614dc11271c147db56e9c1524e76"><div class="ttname"><a href="group__flags.html#gaa780614dc11271c147db56e9c1524e76">Eigen::PacketAccessBit</a></div><div class="ttdeci">const unsigned int PacketAccessBit</div><div class="ttdef"><b>Definition:</b> Constants.h:81</div></div>
<div class="ttc" id="group__flags_html_gab9799bf6feed77fc9fce0136ee55b99c"><div class="ttname"><a href="group__flags.html#gab9799bf6feed77fc9fce0136ee55b99c">Eigen::LinearAccessBit</a></div><div class="ttdeci">const unsigned int LinearAccessBit</div><div class="ttdef"><b>Definition:</b> Constants.h:117</div></div>
<div class="ttc" id="classEigen_1_1CwiseUnaryOp_html"><div class="ttname"><a href="classEigen_1_1CwiseUnaryOp.html">Eigen::CwiseUnaryOp</a></div><div class="ttdoc">Generic expression where a coefficient-wise unary operator is applied to an expression. </div><div class="ttdef"><b>Definition:</b> CwiseUnaryOp.h:59</div></div>
<div class="ttc" id="group__flags_html_ga972a2dcb6603215fa53e0b9e82051426"><div class="ttname"><a href="group__flags.html#ga972a2dcb6603215fa53e0b9e82051426">Eigen::AlignedBit</a></div><div class="ttdeci">const unsigned int AlignedBit</div><div class="ttdef"><b>Definition:</b> Constants.h:147</div></div>
<div class="ttc" id="classEigen_1_1CwiseUnaryOp_html_a070213b3e875653316258530a582255b"><div class="ttname"><a href="classEigen_1_1CwiseUnaryOp.html#a070213b3e875653316258530a582255b">Eigen::CwiseUnaryOp::nestedExpression</a></div><div class="ttdeci">const internal::remove_all< typename XprType::Nested >::type & nestedExpression() const </div><div class="ttdef"><b>Definition:</b> CwiseUnaryOp.h:78</div></div>
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