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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkVariableSizeMatrix.h.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:49 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#ifndef __itkVariableSizeMatrix_h |
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#define __itkVariableSizeMatrix_h |
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#include "itkPoint.h" |
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#include "itkVector.h" |
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#include "itkCovariantVector.h" |
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#include "vnl/vnl_matrix_fixed.h" |
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#include "itkArray.h" |
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namespace itk |
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{ |
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/** \class VariableSizeMatrix |
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* \brief A templated class holding a M x N size Matrix |
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* This class contains a vnl_matrix in order |
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* to make all the vnl mathematical methods available. This class is meant to be |
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* used when the matrix length cannot be determined at compile time. |
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* |
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* \ingroup DataRepresentation |
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*/ |
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template<class T > |
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class VariableSizeMatrix { |
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public: |
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/** Standard class typedefs. */ |
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typedef VariableSizeMatrix Self; |
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/** Component value type */ |
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typedef T ValueType; |
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typedef T ComponentType; |
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/** Internal matrix type */ |
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typedef vnl_matrix<T> InternalMatrixType; |
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/** Matrix by Vector multiplication. */ |
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Array<T> operator*(const Array<T> & vector) const; |
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/** Matrix by Matrix multiplication. */ |
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Self operator*(const Self & matrix) const; |
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/** Matrix addition. */ |
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Self operator+(const Self & matrix) const; |
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const Self & operator+=(const Self & matrix ); |
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/** Matrix addition. */ |
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Self operator-(const Self & matrix) const; |
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const Self & operator-=(const Self & matrix ); |
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/** Matrix by vnl_matrix multiplication. */ |
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vnl_matrix<T> operator*(const vnl_matrix<T> & matrix) const; |
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/** Matrix by Matrix multiplication. */ |
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void operator*=(const Self & matrix); |
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/** Matrix by vnl_matrix multiplication. */ |
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void operator*=(const vnl_matrix<T> & matrix); |
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/** Matrix by vnl_vector multiplication. */ |
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vnl_vector<T> operator*(const vnl_vector<T> & matrix) const; |
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/** Matrix by scalar multiplication. */ |
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void operator*=(const T & value) |
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{ m_Matrix *= value; } |
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/** Matrix by scalar multiplication. */ |
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Self operator*(const T & value) |
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{ Self result( *this ); |
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******result *= value; |
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******return result; } |
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/** Matrix by scalar division. */ |
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void operator/=(const T & value) |
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{ m_Matrix /= value; } |
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/** Matrix by scalar division. */ |
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Self operator/(const T & value) |
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{ Self result( *this ); |
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******result /= value; |
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******return result; } |
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***/** Return an element of the matrix. */ |
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inline T & operator()( unsigned int row, unsigned int col ) |
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{ return m_Matrix(row,col); } |
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/** Return an element of the matrix. */ |
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inline const T & operator()( unsigned int row, unsigned int col ) const |
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{ return m_Matrix(row,col); } |
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/** Return a row of the matrix. */ |
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inline T * operator[]( unsigned int i ) |
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{ return m_Matrix[i]; } |
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/** Return a row of the matrix.*/ |
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inline const T * operator[]( unsigned int i ) const |
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{ return m_Matrix[i]; } |
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/** Return the matrix. */ |
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inline InternalMatrixType & GetVnlMatrix( void ) |
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{ return m_Matrix; } |
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/** Return the matrix. */ |
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inline const InternalMatrixType & GetVnlMatrix( void ) const |
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{ return m_Matrix; } |
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/** Set the matrix to identity. */ |
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inline void SetIdentity( void ) |
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{ m_Matrix.set_identity(); } |
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/** Fill the matrix with a value. */ |
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inline void Fill( const T & value ) |
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{ m_Matrix.fill( value ); } |
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/** Assignment operator. */ |
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inline const Self & operator=( const vnl_matrix<T> & matrix); |
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/** Comparison operators. */ |
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inline bool operator==( const Self & matrix) const; |
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inline bool operator!=( const Self & matrix) const; |
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/** Assignment operator. */ |
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inline const Self & operator=( const Self & matrix); |
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/** Return the inverse matrix. */ |
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inline vnl_matrix<T> GetInverse( void ) const; |
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/** Return the transposed matrix. */ |
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inline vnl_matrix<T> GetTranspose( void ) const; |
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/** Default constructor. */ |
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VariableSizeMatrix() : m_Matrix() {}; |
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VariableSizeMatrix(unsigned int rows, unsigned int cols); |
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/** Copy constructor. */ |
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VariableSizeMatrix(const Self & matrix) : m_Matrix( matrix.m_Matrix ) {}; |
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/** Return number of rows in the matrix */ |
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inline unsigned int Rows() const { return m_Matrix.rows(); } |
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/** Return number of columns in the matrix */ |
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inline unsigned int Cols() const { return m_Matrix.cols(); } |
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/** Set the matrix size. Old data lost. Returns true if size changed. */ |
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inline bool SetSize( unsigned int r, unsigned int c) |
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{ return m_Matrix.set_size( r, c ); } |
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private: |
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InternalMatrixType m_Matrix; |
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}; |
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template< class T > |
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ITK_EXPORT std::ostream& operator<<(std::ostream& os, |
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const VariableSizeMatrix<T> & v) |
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****************************{ os << v.GetVnlMatrix(); return os; } |
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} // end namespace itk |
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#ifndef ITK_MANUAL_INSTANTIATION |
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#include "itkVariableSizeMatrix.txx" |
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#endif |
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#endif |
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