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# include/cinder/BandedMatrix.h

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    00001 /*
    00002  Copyright (c) 2010, The Barbarian Group
    00003  All rights reserved.
    00004
    00005  Redistribution and use in source and binary forms, with or without modification, are permitted provided that
    00006  the following conditions are met:
    00007
    00008     * Redistributions of source code must retain the above copyright notice, this list of conditions and
    00009     the following disclaimer.
    00010     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
    00011     the following disclaimer in the documentation and/or other materials provided with the distribution.
    00012
    00013  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
    00014  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
    00015  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
    00016  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
    00017  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00018  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
    00019  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    00020  POSSIBILITY OF SUCH DAMAGE.
    00021 */
    00022
    00023 /*
    00024  Geometric Tools, LLC
    00025  Portions Copyright (c) 1998-2010
    00026  Distributed under the Boost Software License, Version 1.0.
    00027  http://www.boost.org/LICENSE_1_0.txt
    00028  http://www.geometrictools.com/License/Boost/LICENSE_1_0.txt
    00029 */
    00030
    00031 #pragma once
    00032
    00033 namespace cinder {
    00034
    00035 template<typename T>
    00036 class BandedMatrix {
    00037  public:
    00038     BandedMatrix( int iSize, int iLBands, int iUBands );
    00039     BandedMatrix( const BandedMatrix& rkM );
    00040     ~BandedMatrix();
    00041
    00042     BandedMatrix& operator=( const BandedMatrix &rkM );
    00043
    00044     int getSize() const;
    00045     int getLBands() const;
    00046     int getUBands() const;
    00047
    00048     T* getDBand();
    00049     const T* getDBand() const;
    00050
    00051     int getLBandMax( int i ) const;  // LBand(i):  0 <= index < LBandMax
    00052     T* getLBand( int i );
    00053     const T* getLBand( int i ) const;
    00054
    00055     int getUBandMax( int i ) const;  // UBand(i):  0 <= index < UBandMax
    00056     T* getUBand( int i );
    00057     const T* getUBand( int i ) const;
    00058
    00059     T& operator()( int iRow, int iCol );
    00060     T operator()( int iRow, int iCol ) const;
    00061
    00062     void setZero();
    00063     void setIdentity();
    00064
    00065  private:
    00066     void allocate();
    00067     void deallocate();
    00068
    00069     int m_iSize, m_iLBands, m_iUBands;
    00070     T* m_afDBand;
    00071     T** m_aafLBand;
    00072     T** m_aafUBand;
    00073 };
    00074
    00075 typedef BandedMatrix<float> BandedMatrixf;
    00076 typedef BandedMatrix<double> BandedMatrixd;
    00077
    00078 } // namespace cindernt