# dim.h

    00001 //
    00002 // dim.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 #ifdef __GNUC__
    00029 #pragma interface
    00030 #endif
    00031
    00032 #ifndef _math_scmat_dim_h
    00033 #define _math_scmat_dim_h
    00034
    00035 #include <util/keyval/keyval.h>
    00036 #include <util/state/state.h>
    00037
    00038 namespace sc {
    00039
    00040 class RefSCDimension;
    00050 class SCBlockInfo: public SavableState {
    00051   protected:
    00052     int n_;
    00053     int nblocks_;
    00054     int *start_;
    00055     int *size_;
    00056     RefSCDimension *subdims_;
    00057     void init_start();
    00058   public:
    00060     SCBlockInfo(int n, int nblocks = 0, const int *blocksizes = 0);
    00061     SCBlockInfo(StateIn&);
    00074     SCBlockInfo(const Ref<KeyVal>& keyval);
    00075
    00076     ~SCBlockInfo();
    00077     void save_data_state(StateOut&);
    00078
    00080     int equiv(SCBlockInfo *bi);
    00082     int nelem() const { return n_; }
    00084     int nblock() const { return nblocks_; }
    00086     int start(int i) const { return start_[i]; }
    00088     int size(int i) const { return size_[i]; }
    00090     int fence(int i) const { return start_[i] + size_[i]; }
    00091
    00092     void elem_to_block(int i, int &block, int &offset);
    00093
    00095     RefSCDimension subdim(int i);
    00099     void set_subdim(int i, const RefSCDimension &dim);
    00100
    00102     void print(std::ostream&o=ExEnv::out0()) const;
    00103 };
    00104
    00105
    00109 class SCDimension: public SavableState {
    00110   protected:
    00111     char *name_;
    00112     int n_;
    00113     Ref<SCBlockInfo> blocks_;
    00114     SCDimension(const char* name = 0);
    00115   public:
    00118     SCDimension(int n, const char* name = 0);
    00119     SCDimension(const Ref<SCBlockInfo>&, const char *name = 0);
    00120     SCDimension(int n, int nblocks, const int *blocksizes = 0,
    00121                 const char* name = 0);
    00132     SCDimension(const Ref<KeyVal>&);
    00133     SCDimension(StateIn&s);
    00134
    00135     ~SCDimension();
    00136     void save_data_state(StateOut&);
    00137
    00139     int equiv(const SCDimension*) const;
    00140
    00142     int n() const { return n_; }
    00145     const char* name() const { return name_; }
    00146
    00148     Ref<SCBlockInfo> blocks() { return blocks_; }
    00149
    00151     void print(std::ostream&o=ExEnv::out0()) const;
    00152 };
    00153
    00156 class RefSCDimension: public Ref<SCDimension> {
    00157     // standard overrides
    00158   public:
    00161     RefSCDimension();
    00163     RefSCDimension(const RefSCDimension& d);
    00165     RefSCDimension(SCDimension *d);
    00166
    00167     ~RefSCDimension();
    00169     RefSCDimension& operator=(SCDimension* d);
    00170
    00171     RefSCDimension& operator<<(RefCount*);
    00172     RefSCDimension& operator<<(const RefBase &);
    00174     RefSCDimension& operator=(const RefSCDimension & d);
    00175
    00176     // dimension specific functions
    00177   public:
    00179     operator int() const;
    00180     int n() const;
    00181
    00182     void print(std::ostream&o=ExEnv::out0()) const;
    00183 };
    00184
    00185 }
    00186
    00187 #endif
    00188
    00189 // Local Variables:
    00190 // mode: c++
    00191 // c-file-style: "CLJ"
    00192 // End: