# blkiter.h

    00001 //
    00002 // blkiter.h
    00003 //
    00004 // Copyright (C) 1996 Limit Point Systems, Inc.
    00005 //
    00006 // Author: Curtis Janssen <cljanss@limitpt.com>
    00007 // Maintainer: LPS
    00008 //
    00009 // This file is part of the SC Toolkit.
    00010 //
    00011 // The SC Toolkit is free software; you can redistribute it and/or modify
    00012 // it under the terms of the GNU Library General Public License as published by
    00013 // the Free Software Foundation; either version 2, or (at your option)
    00014 // any later version.
    00015 //
    00016 // The SC Toolkit is distributed in the hope that it will be useful,
    00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of
    00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    00019 // GNU Library General Public License for more details.
    00020 //
    00021 // You should have received a copy of the GNU Library General Public License
    00022 // along with the SC Toolkit; see the file COPYING.LIB.  If not, write to
    00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
    00024 //
    00025 // The U.S. Government is granted a limited license as per AL 91-7.
    00026 //
    00027
    00028 #ifndef _math_scmat_blkiter_h
    00029 #define _math_scmat_blkiter_h
    00030
    00031 #ifdef __GNUC__
    00032 #pragma interface
    00033 #endif
    00034
    00035 #include <math/scmat/block.h>
    00036
    00037 namespace sc {
    00038
    00039 class SCMatrixRectBlock;
    00040 class SCMatrixLTriBlock;
    00041 class SCMatrixDiagBlock;
    00042 class SCVectorSimpleBlock;
    00043
    00044 class SCElementOp;
    00045 class SCElementOp2;
    00046 class SCElementOp3;
    00047
    00050 class SCMatrixBlockIter {
    00051   public:
    00052     SCMatrixBlockIter() {}
    00053     virtual ~SCMatrixBlockIter();
    00055     virtual int i() = 0;
    00057     virtual int j() = 0;
    00059     virtual void set(double val) = 0;
    00061     virtual void accum(double val);
    00063     virtual double get() = 0;
    00065     virtual operator int() = 0;
    00067     virtual void operator++() = 0; // prefix ++
    00068     void operator++(int) { operator++(); }
    00070     virtual void reset() = 0;
    00071 };
    00072
    00073 class SCMatrixRectBlockIter: public SCMatrixBlockIter {
    00074   private:
    00075     SCMatrixRectBlock* block;
    00076     int i_;
    00077     int block_index;
    00078     int j_;
    00079   public:
    00080     SCMatrixRectBlockIter(SCMatrixRectBlock*);
    00081     virtual ~SCMatrixRectBlockIter();
    00082     int i();
    00083     int j();
    00084     double get();
    00085     void set(double);
    00086     operator int();
    00087     void operator++();
    00088     void reset();
    00089 };
    00090
    00091 class SCMatrixRectSubBlockIter: public SCMatrixBlockIter {
    00092   private:
    00093     SCMatrixRectSubBlock* block;
    00094     int i_;
    00095     int block_index;
    00096     int j_;
    00097   public:
    00098     SCMatrixRectSubBlockIter(SCMatrixRectSubBlock*);
    00099     virtual ~SCMatrixRectSubBlockIter();
    00100     int i();
    00101     int j();
    00102     double get();
    00103     void set(double);
    00104     operator int();
    00105     void operator++();
    00106     void reset();
    00107 };
    00108
    00109 class SCMatrixLTriBlockIter: public SCMatrixBlockIter {
    00110   private:
    00111     SCMatrixLTriBlock* block;
    00112     int block_index;
    00113     int i_;
    00114     int j_;
    00115   public:
    00116     SCMatrixLTriBlockIter(SCMatrixLTriBlock*);
    00117     virtual ~SCMatrixLTriBlockIter();
    00118     int i();
    00119     int j();
    00120     double get();
    00121     void set(double);
    00122     operator int();
    00123     void operator++();
    00124     void reset();
    00125 };
    00126
    00127 class SCMatrixLTriSubBlockIter: public SCMatrixBlockIter {
    00128   private:
    00129     SCMatrixLTriSubBlock* block;
    00130     int block_index;
    00131     int i_;
    00132     int j_;
    00133   public:
    00134     SCMatrixLTriSubBlockIter(SCMatrixLTriSubBlock*);
    00135     virtual ~SCMatrixLTriSubBlockIter();
    00136     int i();
    00137     int j();
    00138     double get();
    00139     void set(double);
    00140     operator int();
    00141     void operator++();
    00142     void reset();
    00143 };
    00144
    00145 class SCMatrixDiagBlockIter: public SCMatrixBlockIter {
    00146   private:
    00147     SCMatrixDiagBlock* block;
    00148     int block_index;
    00149     int i_;
    00150   public:
    00151     SCMatrixDiagBlockIter(SCMatrixDiagBlock*);
    00152     virtual ~SCMatrixDiagBlockIter();
    00153     int i();
    00154     int j();
    00155     double get();
    00156     void set(double);
    00157     operator int();
    00158     void operator++();
    00159     void reset();
    00160 };
    00161
    00162 class SCMatrixDiagSubBlockIter: public SCMatrixBlockIter {
    00163   private:
    00164     SCMatrixDiagSubBlock* block;
    00165     int block_index;
    00166     int i_;
    00167   public:
    00168     SCMatrixDiagSubBlockIter(SCMatrixDiagSubBlock*);
    00169     virtual ~SCMatrixDiagSubBlockIter();
    00170     int i();
    00171     int j();
    00172     double get();
    00173     void set(double);
    00174     operator int();
    00175     void operator++();
    00176     void reset();
    00177 };
    00178
    00179 class SCVectorSimpleBlockIter: public SCMatrixBlockIter {
    00180   private:
    00181     SCVectorSimpleBlock* block;
    00182     int block_index;
    00183     int i_;
    00184   public:
    00185     SCVectorSimpleBlockIter(SCVectorSimpleBlock*);
    00186     virtual ~SCVectorSimpleBlockIter();
    00187     int i();
    00188     int j();
    00189     double get();
    00190     void set(double);
    00191     operator int();
    00192     void operator++();
    00193     void reset();
    00194 };
    00195
    00196 class SCVectorSimpleSubBlockIter: public SCMatrixBlockIter {
    00197   private:
    00198     SCVectorSimpleSubBlock* block;
    00199     int block_index;
    00200     int i_;
    00201   public:
    00202     SCVectorSimpleSubBlockIter(SCVectorSimpleSubBlock*);
    00203     virtual ~SCVectorSimpleSubBlockIter();
    00204     int i();
    00205     int j();
    00206     double get();
    00207     void set(double);
    00208     operator int();
    00209     void operator++();
    00210     void reset();
    00211 };
    00212
    00213 }
    00214
    00215 #endif
    00216
    00217 // Local Variables:
    00218 // mode: c++
    00219 // c-file-style: "CLJ"
    00220 // End: