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<h1>VNLSparseLUSolverTraits.h</h1><a href="VNLSparseLUSolverTraits_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment"> Program: Insight Segmentation & Registration Toolkit</span>
<a name="l00004"></a>00004 <span class="comment"> Module: $RCSfile: VNLSparseLUSolverTraits.h,v $</span>
<a name="l00005"></a>00005 <span class="comment"> Language: C++</span>
<a name="l00006"></a>00006 <span class="comment"> Date: $Date: 2008-10-06 14:48:23 $</span>
<a name="l00007"></a>00007 <span class="comment"> Version: $Revision: 1.4 $</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Copyright (c) Insight Software Consortium. All rights reserved.</span>
<a name="l00010"></a>00010 <span class="comment"> See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment"> This software is distributed WITHOUT ANY WARRANTY; without even</span>
<a name="l00013"></a>00013 <span class="comment"> the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR</span>
<a name="l00014"></a>00014 <span class="comment"> PURPOSE. See the above copyright notices for more information.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">=========================================================================*/</span>
<a name="l00017"></a>00017 <span class="preprocessor">#ifndef __VNLSparseLUSolverTraits_h</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#define __VNLSparseLUSolverTraits_h</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <vnl/vnl_vector.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <vnl/vnl_sparse_matrix.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <vnl/vnl_sparse_matrix_linear_system.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <vnl/algo/vnl_sparse_lu.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a><a class="code" href="classVNLSparseLUSolverTraits.html">00025</a> <span class="keyword">class </span><a class="code" href="classVNLSparseLUSolverTraits.html">VNLSparseLUSolverTraits</a>
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <span class="keyword">public</span>:
<a name="l00028"></a>00028
<a name="l00029"></a><a class="code" href="classVNLSparseLUSolverTraits.html#e704647f59e6c4d0c290618519c06c52">00029</a> <span class="keyword">typedef</span> <span class="keywordtype">double</span> <a class="code" href="classVNLSparseLUSolverTraits.html#e704647f59e6c4d0c290618519c06c52">ValueType</a>;
<a name="l00030"></a><a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">00030</a> <span class="keyword">typedef</span> vnl_sparse_matrix< ValueType > <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a>;
<a name="l00031"></a><a class="code" href="classVNLSparseLUSolverTraits.html#7c1a16c3c77eb13faf6270cfc5077299">00031</a> <span class="keyword">typedef</span> <a class="code" href="classvnl__vector.html">vnl_vector< ValueType ></a> <a class="code" href="classvnl__vector.html">VectorType</a>;
<a name="l00032"></a><a class="code" href="classVNLSparseLUSolverTraits.html#102acb0b2cef5edd0861a2a8f7081c52">00032</a> <span class="keyword">typedef</span> vnl_sparse_lu <a class="code" href="classVNLSparseLUSolverTraits.html#102acb0b2cef5edd0861a2a8f7081c52">SolverType</a>;
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <a class="code" href="classVNLSparseLUSolverTraits.html#83978891c520695a44c8e9d8bf869537">VNLSparseLUSolverTraits</a>();
<a name="l00035"></a>00035
<a name="l00036"></a><a class="code" href="classVNLSparseLUSolverTraits.html#06a360adbef1874c80cd2684c4ea8d25">00036</a> <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a> <a class="code" href="classVNLSparseLUSolverTraits.html#06a360adbef1874c80cd2684c4ea8d25">InitializeSparseMatrix</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>& iN )
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 <span class="keywordflow">return</span> <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a>( iN, iN );
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a><a class="code" href="classVNLSparseLUSolverTraits.html#ee2b19e1260dda7d32304e2fa3f06cf4">00041</a> <a class="code" href="classvnl__vector.html">VectorType</a> <a class="code" href="classVNLSparseLUSolverTraits.html#ee2b19e1260dda7d32304e2fa3f06cf4">InitializeVector</a>( <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>& iN )
<a name="l00042"></a>00042 {
<a name="l00043"></a>00043 <span class="keywordflow">return</span> <a class="code" href="classVNLSparseLUSolverTraits.html#7c1a16c3c77eb13faf6270cfc5077299">VectorType</a>( iN );
<a name="l00044"></a>00044 }
<a name="l00045"></a>00045
<a name="l00046"></a><a class="code" href="classVNLSparseLUSolverTraits.html#e605303bca2d6654164751b90bfdc2ea">00046</a> <span class="keywordtype">void</span> <a class="code" href="classVNLSparseLUSolverTraits.html#e605303bca2d6654164751b90bfdc2ea">FillMatrix</a>( <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a>& iA, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>& iR, <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>& iC, <span class="keyword">const</span> <a class="code" href="classVNLSparseLUSolverTraits.html#e704647f59e6c4d0c290618519c06c52">ValueType</a>& iV )
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 iA( iR, iC ) = iV;
<a name="l00049"></a>00049 }
<a name="l00050"></a>00050
<a name="l00051"></a><a class="code" href="classVNLSparseLUSolverTraits.html#53867001754985fdffd9e0a0a256b7cb">00051</a> <span class="keywordtype">bool</span> <a class="code" href="classVNLSparseLUSolverTraits.html#53867001754985fdffd9e0a0a256b7cb">Solve</a>( <span class="keyword">const</span> <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a>& iA, <span class="keyword">const</span> <a class="code" href="classvnl__vector.html">VectorType</a>& iB, <a class="code" href="classvnl__vector.html">VectorType</a>& oX )
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053 vnl_sparse_lu lu_solver( iA );
<a name="l00054"></a>00054 <span class="keywordflow">return</span> lu_solver.solve( iB );
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keyword">private</span>:
<a name="l00058"></a>00058 <a class="code" href="classVNLSparseLUSolverTraits.html#8e848212d762fc14af4941bd385f5438">MatrixType</a> m_Matrix;
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060
</pre></div></div>
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