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:
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