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itkVariableSizeMatrix.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkVariableSizeMatrix.h,v $
00005   Language:  C++
00006   Date:      $Date: 2005/10/24 19:48:52 $
00007   Version:   $Revision: 1.6 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkVariableSizeMatrix_h
00018 #define __itkVariableSizeMatrix_h
00019 
00020 
00021 #include "itkPoint.h"
00022 #include "itkVector.h"
00023 #include "itkCovariantVector.h"
00024 #include "vnl/vnl_matrix_fixed.h"
00025 #include "itkArray.h"
00026 
00027 
00028 namespace itk
00029 {
00030 
00040 template<class T >
00041 class VariableSizeMatrix {
00042 public:
00044   typedef VariableSizeMatrix  Self;
00045 
00047   typedef T ValueType;
00048   typedef T ComponentType;
00049 
00051   typedef vnl_matrix<T>  InternalMatrixType;
00052 
00054   Array<T> operator*(const Array<T> & vector) const;
00055 
00057   Self operator*(const Self & matrix) const;
00058 
00060   Self operator+(const Self & matrix) const;
00061   const Self & operator+=(const Self & matrix );
00063 
00065   Self operator-(const Self & matrix) const;
00066   const Self & operator-=(const Self & matrix );
00068 
00070   vnl_matrix<T> operator*(const vnl_matrix<T> & matrix) const;
00071 
00073   void operator*=(const Self & matrix);
00074 
00076   void operator*=(const vnl_matrix<T> & matrix);
00077 
00079   vnl_vector<T> operator*(const vnl_vector<T> & matrix) const;
00080 
00082   void operator*=(const T & value)
00083     { m_Matrix *= value; }
00084 
00086   Self operator*(const T & value)
00087     { Self result( *this );
00088       result *= value;
00089       return result; }
00091 
00093   void operator/=(const T & value)
00094     { m_Matrix /= value; }
00095 
00097   Self operator/(const T & value)
00098     { Self result( *this );
00099       result /= value;
00100       return result; }
00102 
00104   inline T & operator()( unsigned int row, unsigned int col )
00105     { return m_Matrix(row,col); }
00106 
00108   inline const T & operator()( unsigned int row, unsigned int col ) const
00109     { return m_Matrix(row,col); }
00110 
00112   inline T * operator[]( unsigned int i )
00113     { return m_Matrix[i]; }
00114 
00116   inline const T * operator[]( unsigned int i ) const
00117     { return m_Matrix[i]; }
00118 
00120   inline InternalMatrixType & GetVnlMatrix( void )
00121     { return m_Matrix; }
00122 
00124   inline const InternalMatrixType & GetVnlMatrix( void ) const
00125     { return m_Matrix; }
00126 
00128   inline void SetIdentity( void ) 
00129     { m_Matrix.set_identity(); }
00130 
00132   inline void Fill( const T & value ) 
00133     { m_Matrix.fill( value ); }
00134 
00136   inline const Self & operator=( const vnl_matrix<T> & matrix);
00137 
00139   inline bool operator==( const Self & matrix) const;
00140   inline bool operator!=( const Self & matrix) const;
00142 
00144   inline const Self & operator=( const Self & matrix);
00145 
00147   inline vnl_matrix<T> GetInverse( void ) const;
00148 
00150   inline vnl_matrix<T> GetTranspose( void ) const;
00151 
00153   VariableSizeMatrix() : m_Matrix() {};
00154 
00155   VariableSizeMatrix(unsigned int rows, unsigned int cols);
00156 
00158   VariableSizeMatrix(const Self & matrix) : m_Matrix( matrix.m_Matrix ) {};
00159 
00161   inline unsigned int Rows() const { return m_Matrix.rows(); } 
00162 
00164   inline unsigned int Cols() const { return m_Matrix.cols(); } 
00165 
00167   inline bool SetSize( unsigned int r, unsigned int c)
00168     {  return m_Matrix.set_size( r, c );  }
00169 
00170  
00171  
00172 private:
00173   InternalMatrixType     m_Matrix;
00174 };
00175 
00176 template< class T >  
00177 ITK_EXPORT std::ostream& operator<<(std::ostream& os, 
00178                                     const VariableSizeMatrix<T> & v) 
00179                             { os << v.GetVnlMatrix(); return os; }
00180 
00181 
00182   
00183 } // end namespace itk
00184   
00185 
00186 #ifndef ITK_MANUAL_INSTANTIATION
00187 #include "itkVariableSizeMatrix.txx"
00188 #endif
00189 
00190 
00191 #endif 
00192 

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