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<h1>Visitor.h</h1> </div>
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<div class="contents">
<a href="otherlibs_2eigen3_2_eigen_2src_2_core_2_visitor_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// This file is part of Eigen, a lightweight C++ template library</span>
<a name="l00002"></a>00002 <span class="comment">// for linear algebra.</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr></span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Eigen is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00008"></a>00008 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00009"></a>00009 <span class="comment">// version 3 of the License, or (at your option) any later version.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Alternatively, you can redistribute it and/or</span>
<a name="l00012"></a>00012 <span class="comment">// modify it under the terms of the GNU General Public License as</span>
<a name="l00013"></a>00013 <span class="comment">// published by the Free Software Foundation; either version 2 of</span>
<a name="l00014"></a>00014 <span class="comment">// the License, or (at your option) any later version.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY</span>
<a name="l00017"></a>00017 <span class="comment">// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS</span>
<a name="l00018"></a>00018 <span class="comment">// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License or the</span>
<a name="l00019"></a>00019 <span class="comment">// GNU General Public License for more details.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00022"></a>00022 <span class="comment">// License and a copy of the GNU General Public License along with</span>
<a name="l00023"></a>00023 <span class="comment">// Eigen. If not, see <http://www.gnu.org/licenses/>.</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#ifndef EIGEN_VISITOR_H</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define EIGEN_VISITOR_H</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span>
<a name="l00028"></a>00028 <span class="keyword">namespace </span>internal {
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="keyword">template</span><<span class="keyword">typename</span> Visitor, <span class="keyword">typename</span> Derived, <span class="keywordtype">int</span> UnrollCount>
<a name="l00031"></a><a class="code" href="structinternal_1_1visitor__impl.html">00031</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1visitor__impl.html">visitor_impl</a>
<a name="l00032"></a>00032 {
<a name="l00033"></a>00033 <span class="keyword">enum</span> {
<a name="l00034"></a><a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4eaceb02e2ad851d1e1346d4a4a49c1ca95">00034</a> <a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4eaceb02e2ad851d1e1346d4a4a49c1ca95">col</a> = (UnrollCount-1) / Derived::RowsAtCompileTime,
<a name="l00035"></a><a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4ea43d38909a8d5b5f45cb68c99363fb37e">00035</a> <a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4ea43d38909a8d5b5f45cb68c99363fb37e">row</a> = (UnrollCount-1) % Derived::RowsAtCompileTime
<a name="l00036"></a>00036 };
<a name="l00037"></a>00037
<a name="l00038"></a><a class="code" href="structinternal_1_1visitor__impl.html#ac097a1f5db2586c352dcad1cbfee8871">00038</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1visitor__impl.html#ac097a1f5db2586c352dcad1cbfee8871">run</a>(<span class="keyword">const</span> Derived &mat, Visitor& visitor)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <a class="code" href="structinternal_1_1visitor__impl.html#ac097a1f5db2586c352dcad1cbfee8871">visitor_impl<Visitor, Derived, UnrollCount-1>::run</a>(mat, visitor);
<a name="l00041"></a>00041 visitor(mat.coeff(<a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4ea43d38909a8d5b5f45cb68c99363fb37e">row</a>, <a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4eaceb02e2ad851d1e1346d4a4a49c1ca95">col</a>), <a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4ea43d38909a8d5b5f45cb68c99363fb37e">row</a>, <a class="code" href="structinternal_1_1visitor__impl.html#a2cc0b87b5946d765aa968c86a1772a4eaceb02e2ad851d1e1346d4a4a49c1ca95">col</a>);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 };
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">template</span><<span class="keyword">typename</span> Visitor, <span class="keyword">typename</span> Derived>
<a name="l00046"></a><a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_011_01_4.html">00046</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1visitor__impl.html">visitor_impl</a><Visitor, Derived, 1>
<a name="l00047"></a>00047 {
<a name="l00048"></a><a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_011_01_4.html#a7514a381d8f83d7a13672f1962d1d7ca">00048</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1visitor__impl.html#ac097a1f5db2586c352dcad1cbfee8871">run</a>(<span class="keyword">const</span> Derived &mat, Visitor& visitor)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordflow">return</span> visitor.init(mat.coeff(0, 0), 0, 0);
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052 };
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">template</span><<span class="keyword">typename</span> Visitor, <span class="keyword">typename</span> Derived>
<a name="l00055"></a><a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html">00055</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1visitor__impl.html">visitor_impl</a><Visitor, Derived, <a class="code" href="_constants_8h.html#adc9da5be31bdce40c25a92c27999c0e3" title="This value means that a quantity is not known at compile-time, and that instead the value is stored i...">Dynamic</a>>
<a name="l00056"></a>00056 {
<a name="l00057"></a><a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a6d70a5f7872b933af9a37ac0cd394414">00057</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Index <a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a6d70a5f7872b933af9a37ac0cd394414">Index</a>;
<a name="l00058"></a><a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a690c783890eeffa7c7a9d82789dda2e7">00058</a> <span class="keyword">inline</span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1visitor__impl.html#ac097a1f5db2586c352dcad1cbfee8871">run</a>(<span class="keyword">const</span> Derived& mat, Visitor& visitor)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 visitor.init(mat.coeff(0,0), 0, 0);
<a name="l00061"></a>00061 <span class="keywordflow">for</span>(<a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a6d70a5f7872b933af9a37ac0cd394414">Index</a> i = 1; i < mat.rows(); ++i)
<a name="l00062"></a>00062 visitor(mat.coeff(i, 0), i, 0);
<a name="l00063"></a>00063 <span class="keywordflow">for</span>(<a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a6d70a5f7872b933af9a37ac0cd394414">Index</a> j = 1; j < mat.cols(); ++j)
<a name="l00064"></a>00064 <span class="keywordflow">for</span>(<a class="code" href="structinternal_1_1visitor__impl_3_01_visitor_00_01_derived_00_01_dynamic_01_4.html#a6d70a5f7872b933af9a37ac0cd394414">Index</a> i = 0; i < mat.rows(); ++i)
<a name="l00065"></a>00065 visitor(mat.coeff(i, j), i, j);
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 };
<a name="l00068"></a>00068
<a name="l00069"></a>00069 } <span class="comment">// end namespace internal</span>
<a name="l00070"></a>00070 <span class="comment"></span>
<a name="l00071"></a>00071 <span class="comment">/** Applies the visitor \a visitor to the whole coefficients of the matrix or vector.</span>
<a name="l00072"></a>00072 <span class="comment"> *</span>
<a name="l00073"></a>00073 <span class="comment"> * The template parameter \a Visitor is the type of the visitor and provides the following interface:</span>
<a name="l00074"></a>00074 <span class="comment"> * \code</span>
<a name="l00075"></a>00075 <span class="comment"> * struct MyVisitor {</span>
<a name="l00076"></a>00076 <span class="comment"> * // called for the first coefficient</span>
<a name="l00077"></a>00077 <span class="comment"> * void init(const Scalar& value, Index i, Index j);</span>
<a name="l00078"></a>00078 <span class="comment"> * // called for all other coefficients</span>
<a name="l00079"></a>00079 <span class="comment"> * void operator() (const Scalar& value, Index i, Index j);</span>
<a name="l00080"></a>00080 <span class="comment"> * };</span>
<a name="l00081"></a>00081 <span class="comment"> * \endcode</span>
<a name="l00082"></a>00082 <span class="comment"> *</span>
<a name="l00083"></a>00083 <span class="comment"> * \note compared to one or two \em for \em loops, visitors offer automatic</span>
<a name="l00084"></a>00084 <span class="comment"> * unrolling for small fixed size matrix.</span>
<a name="l00085"></a>00085 <span class="comment"> *</span>
<a name="l00086"></a>00086 <span class="comment"> * \sa minCoeff(Index*,Index*), maxCoeff(Index*,Index*), DenseBase::redux()</span>
<a name="l00087"></a>00087 <span class="comment"> */</span>
<a name="l00088"></a>00088 <span class="keyword">template</span><<span class="keyword">typename</span> Derived>
<a name="l00089"></a>00089 <span class="keyword">template</span><<span class="keyword">typename</span> Visitor>
<a name="l00090"></a><a class="code" href="class_dense_base.html#a26e4f1c55c1159192cd5b0bed5e517a8">00090</a> <span class="keywordtype">void</span> <a class="code" href="class_dense_base.html#a26e4f1c55c1159192cd5b0bed5e517a8" title="Applies the visitor visitor to the whole coefficients of the matrix or vector.">DenseBase<Derived>::visit</a>(Visitor& visitor)<span class="keyword"> const</span>
<a name="l00091"></a>00091 <span class="keyword"></span>{
<a name="l00092"></a>00092 <span class="keyword">enum</span> { unroll = SizeAtCompileTime != <a class="code" href="_constants_8h.html#adc9da5be31bdce40c25a92c27999c0e3" title="This value means that a quantity is not known at compile-time, and that instead the value is stored i...">Dynamic</a>
<a name="l00093"></a>00093 && CoeffReadCost != <a class="code" href="_constants_8h.html#adc9da5be31bdce40c25a92c27999c0e3" title="This value means that a quantity is not known at compile-time, and that instead the value is stored i...">Dynamic</a>
<a name="l00094"></a>00094 && (SizeAtCompileTime == 1 || <a class="code" href="structinternal_1_1functor__traits.html">internal::functor_traits<Visitor>::Cost</a> != <a class="code" href="_constants_8h.html#adc9da5be31bdce40c25a92c27999c0e3" title="This value means that a quantity is not known at compile-time, and that instead the value is stored i...">Dynamic</a>)
<a name="l00095"></a>00095 && SizeAtCompileTime * CoeffReadCost + (SizeAtCompileTime-1) * <a class="code" href="structinternal_1_1functor__traits.html">internal::functor_traits<Visitor>::Cost</a>
<a name="l00096"></a>00096 <= <a class="code" href="_settings_8h.html#a82cebcbf6c1138bd0f956d10fc46ef75" title="Defines the maximal loop size to enable meta unrolling of loops.">EIGEN_UNROLLING_LIMIT</a> };
<a name="l00097"></a>00097 <span class="keywordflow">return</span> <a class="code" href="structinternal_1_1visitor__impl.html">internal::visitor_impl</a><Visitor, Derived,
<a name="l00098"></a>00098 unroll ? int(SizeAtCompileTime) : <a class="code" href="_constants_8h.html#adc9da5be31bdce40c25a92c27999c0e3" title="This value means that a quantity is not known at compile-time, and that instead the value is stored i...">Dynamic</a>
<a name="l00099"></a>00099 >::run(derived(), visitor);
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keyword">namespace </span>internal {
<a name="l00103"></a>00103 <span class="comment"></span>
<a name="l00104"></a>00104 <span class="comment">/** \internal</span>
<a name="l00105"></a>00105 <span class="comment"> * \brief Base class to implement min and max visitors</span>
<a name="l00106"></a>00106 <span class="comment"> */</span>
<a name="l00107"></a>00107 <span class="keyword">template</span> <<span class="keyword">typename</span> Derived>
<a name="l00108"></a><a class="code" href="structinternal_1_1coeff__visitor.html">00108</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1coeff__visitor.html">coeff_visitor</a>
<a name="l00109"></a>00109 {
<a name="l00110"></a><a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">00110</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Index <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a>;
<a name="l00111"></a><a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">00111</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Scalar <a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">Scalar</a>;
<a name="l00112"></a><a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">00112</a> <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> <a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a>, <a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a>;
<a name="l00113"></a><a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">00113</a> <a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">Scalar</a> <a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>;
<a name="l00114"></a><a class="code" href="structinternal_1_1coeff__visitor.html#ab2554e73b70479741d97c7acda2acc3d">00114</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1coeff__visitor.html#ab2554e73b70479741d97c7acda2acc3d">init</a>(<span class="keyword">const</span> <a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">Scalar</a>& value, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> i, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> j)
<a name="l00115"></a>00115 {
<a name="l00116"></a>00116 <a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a> = value;
<a name="l00117"></a>00117 <a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a> = i;
<a name="l00118"></a>00118 <a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a> = j;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 };
<a name="l00121"></a>00121 <span class="comment"></span>
<a name="l00122"></a>00122 <span class="comment">/** \internal</span>
<a name="l00123"></a>00123 <span class="comment"> * \brief Visitor computing the min coefficient with its value and coordinates</span>
<a name="l00124"></a>00124 <span class="comment"> *</span>
<a name="l00125"></a>00125 <span class="comment"> * \sa DenseBase::minCoeff(Index*, Index*)</span>
<a name="l00126"></a>00126 <span class="comment"> */</span>
<a name="l00127"></a>00127 <span class="keyword">template</span> <<span class="keyword">typename</span> Derived>
<a name="l00128"></a><a class="code" href="structinternal_1_1min__coeff__visitor.html">00128</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1min__coeff__visitor.html">min_coeff_visitor</a> : <a class="code" href="structinternal_1_1coeff__visitor.html">coeff_visitor</a><Derived>
<a name="l00129"></a>00129 {
<a name="l00130"></a><a class="code" href="structinternal_1_1min__coeff__visitor.html#af770871e746dbb01397e10e0f7f1fa52">00130</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Index <a class="code" href="structinternal_1_1min__coeff__visitor.html#af770871e746dbb01397e10e0f7f1fa52">Index</a>;
<a name="l00131"></a><a class="code" href="structinternal_1_1min__coeff__visitor.html#a8bbbee06c35ccdd948d328ae163376b2">00131</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Scalar <a class="code" href="structinternal_1_1min__coeff__visitor.html#a8bbbee06c35ccdd948d328ae163376b2">Scalar</a>;
<a name="l00132"></a><a class="code" href="structinternal_1_1min__coeff__visitor.html#a197f6a9247dcfc4b113ed71ad42663f0">00132</a> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1min__coeff__visitor.html#a197f6a9247dcfc4b113ed71ad42663f0">operator() </a>(<span class="keyword">const</span> <a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">Scalar</a>& value, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> i, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> j)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 <span class="keywordflow">if</span>(value < this-><a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>)
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 this->res = value;
<a name="l00137"></a>00137 this-><a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a> = i;
<a name="l00138"></a>00138 this-><a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a> = j;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141 };
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">template</span><<span class="keyword">typename</span> Scalar>
<a name="l00144"></a><a class="code" href="structinternal_1_1functor__traits_3_01min__coeff__visitor_3_01_scalar_01_4_01_4.html">00144</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1functor__traits.html">functor_traits</a><<a class="code" href="structinternal_1_1min__coeff__visitor.html">min_coeff_visitor</a><Scalar> > {
<a name="l00145"></a>00145 <span class="keyword">enum</span> {
<a name="l00146"></a><a class="code" href="structinternal_1_1functor__traits_3_01min__coeff__visitor_3_01_scalar_01_4_01_4.html#a2f37b1ccda87fe3b5d2d1cd4064e7658a543f38673dbe3c3fc06ae979904b429d">00146</a> <a class="code" href="structinternal_1_1functor__traits.html#a0b28c8af1dab94bc656446e55a8901c5aa111d208cb73a3e1559f8263c099c9e7">Cost</a> = <a class="code" href="struct_num_traits.html" title="Holds information about the various numeric (i.e.">NumTraits<Scalar>::AddCost</a>
<a name="l00147"></a>00147 };
<a name="l00148"></a>00148 };
<a name="l00149"></a>00149 <span class="comment"></span>
<a name="l00150"></a>00150 <span class="comment">/** \internal</span>
<a name="l00151"></a>00151 <span class="comment"> * \brief Visitor computing the max coefficient with its value and coordinates</span>
<a name="l00152"></a>00152 <span class="comment"> *</span>
<a name="l00153"></a>00153 <span class="comment"> * \sa DenseBase::maxCoeff(Index*, Index*)</span>
<a name="l00154"></a>00154 <span class="comment"> */</span>
<a name="l00155"></a>00155 <span class="keyword">template</span> <<span class="keyword">typename</span> Derived>
<a name="l00156"></a><a class="code" href="structinternal_1_1max__coeff__visitor.html">00156</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1max__coeff__visitor.html">max_coeff_visitor</a> : <a class="code" href="structinternal_1_1coeff__visitor.html">coeff_visitor</a><Derived>
<a name="l00157"></a>00157 {
<a name="l00158"></a><a class="code" href="structinternal_1_1max__coeff__visitor.html#a83ac09491a9776495fbc22416bf8bf14">00158</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Index <a class="code" href="structinternal_1_1max__coeff__visitor.html#a83ac09491a9776495fbc22416bf8bf14">Index</a>;
<a name="l00159"></a><a class="code" href="structinternal_1_1max__coeff__visitor.html#a21dc923784c3f310f60cfb4b14fffdb4">00159</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> Derived::Scalar <a class="code" href="structinternal_1_1max__coeff__visitor.html#a21dc923784c3f310f60cfb4b14fffdb4">Scalar</a>;
<a name="l00160"></a><a class="code" href="structinternal_1_1max__coeff__visitor.html#a7a145b677941562510ab73fd4cd247d2">00160</a> <span class="keywordtype">void</span> <a class="code" href="structinternal_1_1max__coeff__visitor.html#a7a145b677941562510ab73fd4cd247d2">operator() </a>(<span class="keyword">const</span> <a class="code" href="structinternal_1_1coeff__visitor.html#a1ef7f5d6ee229cdb2ffca17e94210a15">Scalar</a>& value, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> i, <a class="code" href="structinternal_1_1coeff__visitor.html#a98b67983cf83e4a5a33d8f0d64918236">Index</a> j)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 <span class="keywordflow">if</span>(value > this-><a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>)
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 this-><a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a> = value;
<a name="l00165"></a>00165 this-><a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a> = i;
<a name="l00166"></a>00166 this-><a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a> = j;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169 };
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="keyword">template</span><<span class="keyword">typename</span> Scalar>
<a name="l00172"></a><a class="code" href="structinternal_1_1functor__traits_3_01max__coeff__visitor_3_01_scalar_01_4_01_4.html">00172</a> <span class="keyword">struct </span><a class="code" href="structinternal_1_1functor__traits.html">functor_traits</a><<a class="code" href="structinternal_1_1max__coeff__visitor.html">max_coeff_visitor</a><Scalar> > {
<a name="l00173"></a>00173 <span class="keyword">enum</span> {
<a name="l00174"></a><a class="code" href="structinternal_1_1functor__traits_3_01max__coeff__visitor_3_01_scalar_01_4_01_4.html#a56150d715e110e61c868b9cfa5d26906a8e723e258559dc21e164f05007cd1200">00174</a> <a class="code" href="structinternal_1_1functor__traits.html#a0b28c8af1dab94bc656446e55a8901c5aa111d208cb73a3e1559f8263c099c9e7">Cost</a> = <a class="code" href="struct_num_traits.html" title="Holds information about the various numeric (i.e.">NumTraits<Scalar>::AddCost</a>
<a name="l00175"></a>00175 };
<a name="l00176"></a>00176 };
<a name="l00177"></a>00177
<a name="l00178"></a>00178 } <span class="comment">// end namespace internal</span>
<a name="l00179"></a>00179 <span class="comment"></span>
<a name="l00180"></a>00180 <span class="comment">/** \returns the minimum of all coefficients of *this</span>
<a name="l00181"></a>00181 <span class="comment"> * and puts in *row and *col its location.</span>
<a name="l00182"></a>00182 <span class="comment"> *</span>
<a name="l00183"></a>00183 <span class="comment"> * \sa DenseBase::minCoeff(Index*), DenseBase::maxCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::minCoeff()</span>
<a name="l00184"></a>00184 <span class="comment"> */</span>
<a name="l00185"></a>00185 <span class="keyword">template</span><<span class="keyword">typename</span> Derived>
<a name="l00186"></a>00186 <span class="keyword">typename</span> internal::traits<Derived>::Scalar
<a name="l00187"></a><a class="code" href="class_dense_base.html#a5520c72bb45ea8385618e338a6ba6cd3">00187</a> <a class="code" href="class_dense_base.html#a4914d758c8b54a4eefdd00ecd9eff098">DenseBase<Derived>::minCoeff</a>(<a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* <a class="code" href="_block_methods_8h.html#ad62dcaf648cca25e9318da34c9840799" title="This is the const version of row().">row</a>, <a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* <a class="code" href="_block_methods_8h.html#a390f7c534678354959dd587080b82c2c" title="This is the const version of col().">col</a>)<span class="keyword"> const</span>
<a name="l00188"></a>00188 <span class="keyword"></span>{
<a name="l00189"></a>00189 <a class="code" href="structinternal_1_1min__coeff__visitor.html">internal::min_coeff_visitor<Derived></a> minVisitor;
<a name="l00190"></a>00190 this->visit(minVisitor);
<a name="l00191"></a>00191 *row = minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a>;
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (col) *col = minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a>;
<a name="l00193"></a>00193 <span class="keywordflow">return</span> minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195 <span class="comment"></span>
<a name="l00196"></a>00196 <span class="comment">/** \returns the minimum of all coefficients of *this</span>
<a name="l00197"></a>00197 <span class="comment"> * and puts in *index its location.</span>
<a name="l00198"></a>00198 <span class="comment"> *</span>
<a name="l00199"></a>00199 <span class="comment"> * \sa DenseBase::minCoeff(Index*,Index*), DenseBase::maxCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::minCoeff()</span>
<a name="l00200"></a>00200 <span class="comment"> */</span>
<a name="l00201"></a>00201 <span class="keyword">template</span><<span class="keyword">typename</span> Derived>
<a name="l00202"></a>00202 <span class="keyword">typename</span> internal::traits<Derived>::Scalar
<a name="l00203"></a><a class="code" href="class_dense_base.html#ac4e34d2a49e1dc0d583ff067bfc10c29">00203</a> <a class="code" href="class_dense_base.html#a4914d758c8b54a4eefdd00ecd9eff098">DenseBase<Derived>::minCoeff</a>(<a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* index)<span class="keyword"> const</span>
<a name="l00204"></a>00204 <span class="keyword"></span>{
<a name="l00205"></a>00205 <a class="code" href="_static_assert_8h.html#ac04a73705a0aa1d66c4b80f6338db904">EIGEN_STATIC_ASSERT_VECTOR_ONLY</a>(Derived)
<a name="l00206"></a>00206 <a class="code" href="structinternal_1_1min__coeff__visitor.html">internal::min_coeff_visitor<Derived></a> minVisitor;
<a name="l00207"></a>00207 this->visit(minVisitor);
<a name="l00208"></a>00208 *index = (RowsAtCompileTime==1) ? minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a> : minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a>;
<a name="l00209"></a>00209 <span class="keywordflow">return</span> minVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>;
<a name="l00210"></a>00210 }
<a name="l00211"></a>00211 <span class="comment"></span>
<a name="l00212"></a>00212 <span class="comment">/** \returns the maximum of all coefficients of *this</span>
<a name="l00213"></a>00213 <span class="comment"> * and puts in *row and *col its location.</span>
<a name="l00214"></a>00214 <span class="comment"> *</span>
<a name="l00215"></a>00215 <span class="comment"> * \sa DenseBase::minCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::maxCoeff()</span>
<a name="l00216"></a>00216 <span class="comment"> */</span>
<a name="l00217"></a>00217 <span class="keyword">template</span><<span class="keyword">typename</span> Derived>
<a name="l00218"></a>00218 <span class="keyword">typename</span> internal::traits<Derived>::Scalar
<a name="l00219"></a><a class="code" href="class_dense_base.html#a38490ebeed73c92f84d59a46bb2e3021">00219</a> <a class="code" href="class_dense_base.html#abd4fdb261ce942b4620b03b71856f069">DenseBase<Derived>::maxCoeff</a>(<a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* <a class="code" href="_block_methods_8h.html#ad62dcaf648cca25e9318da34c9840799" title="This is the const version of row().">row</a>, <a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* <a class="code" href="_block_methods_8h.html#a390f7c534678354959dd587080b82c2c" title="This is the const version of col().">col</a>)<span class="keyword"> const</span>
<a name="l00220"></a>00220 <span class="keyword"></span>{
<a name="l00221"></a>00221 <a class="code" href="structinternal_1_1max__coeff__visitor.html">internal::max_coeff_visitor<Derived></a> maxVisitor;
<a name="l00222"></a>00222 this->visit(maxVisitor);
<a name="l00223"></a>00223 *row = maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a>;
<a name="l00224"></a>00224 <span class="keywordflow">if</span> (col) *col = maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a>;
<a name="l00225"></a>00225 <span class="keywordflow">return</span> maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>;
<a name="l00226"></a>00226 }
<a name="l00227"></a>00227 <span class="comment"></span>
<a name="l00228"></a>00228 <span class="comment">/** \returns the maximum of all coefficients of *this</span>
<a name="l00229"></a>00229 <span class="comment"> * and puts in *index its location.</span>
<a name="l00230"></a>00230 <span class="comment"> *</span>
<a name="l00231"></a>00231 <span class="comment"> * \sa DenseBase::maxCoeff(Index*,Index*), DenseBase::minCoeff(Index*,Index*), DenseBase::visitor(), DenseBase::maxCoeff()</span>
<a name="l00232"></a>00232 <span class="comment"> */</span>
<a name="l00233"></a>00233 <span class="keyword">template</span><<span class="keyword">typename</span> Derived>
<a name="l00234"></a>00234 <span class="keyword">typename</span> internal::traits<Derived>::Scalar
<a name="l00235"></a><a class="code" href="class_dense_base.html#aa0dc3d842df0cd063e4a2ec3869ab7f3">00235</a> <a class="code" href="class_dense_base.html#abd4fdb261ce942b4620b03b71856f069">DenseBase<Derived>::maxCoeff</a>(<a class="code" href="class_dense_base.html#a059039d9d011413c873e6ae05ee912b6" title="The type of indices.">Index</a>* index)<span class="keyword"> const</span>
<a name="l00236"></a>00236 <span class="keyword"></span>{
<a name="l00237"></a>00237 <a class="code" href="_static_assert_8h.html#ac04a73705a0aa1d66c4b80f6338db904">EIGEN_STATIC_ASSERT_VECTOR_ONLY</a>(Derived)
<a name="l00238"></a>00238 <a class="code" href="structinternal_1_1max__coeff__visitor.html">internal::max_coeff_visitor<Derived></a> maxVisitor;
<a name="l00239"></a>00239 this->visit(maxVisitor);
<a name="l00240"></a>00240 *index = (RowsAtCompileTime==1) ? maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#ab7f739fc953b972abd313fe9a26d200d">col</a> : maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#aeed2c82fa39d3d9830cef17c3f6cd4a6">row</a>;
<a name="l00241"></a>00241 <span class="keywordflow">return</span> maxVisitor.<a class="code" href="structinternal_1_1coeff__visitor.html#a35eb60eed14c2a76d170eff8139456ea">res</a>;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="preprocessor">#endif // EIGEN_VISITOR_H</span>
</pre></div></div>
</div>
<br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.2</a> for MRPT 0.9.4 SVN: at Mon Jan 10 22:30:30 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>
