MPQC  2.3.1
dim.h
1 //
2 // dim.h
3 //
4 // Copyright (C) 1996 Limit Point Systems, Inc.
5 //
6 // Author: Curtis Janssen <cljanss@limitpt.com>
7 // Maintainer: LPS
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27 
28 #ifdef __GNUC__
29 #pragma interface
30 #endif
31 
32 #ifndef _math_scmat_dim_h
33 #define _math_scmat_dim_h
34 
35 #include <util/keyval/keyval.h>
36 #include <util/state/state.h>
37 
38 namespace sc {
39 
40 class RefSCDimension;
50 class SCBlockInfo: public SavableState {
51  protected:
52  int n_;
53  int nblocks_;
54  int *start_;
55  int *size_;
56  RefSCDimension *subdims_;
57  void init_start();
58  public:
60  SCBlockInfo(int n, int nblocks = 0, const int *blocksizes = 0);
74  SCBlockInfo(const Ref<KeyVal>& keyval);
75 
76  ~SCBlockInfo();
78 
80  int equiv(SCBlockInfo *bi);
82  int nelem() const { return n_; }
84  int nblock() const { return nblocks_; }
86  int start(int i) const { return start_[i]; }
88  int size(int i) const { return size_[i]; }
90  int fence(int i) const { return start_[i] + size_[i]; }
91 
92  void elem_to_block(int i, int &block, int &offset);
93 
95  RefSCDimension subdim(int i);
99  void set_subdim(int i, const RefSCDimension &dim);
100 
102  void print(std::ostream&o=ExEnv::out0()) const;
103 };
104 
105 
109 class SCDimension: public SavableState {
110  protected:
111  char *name_;
112  int n_;
113  Ref<SCBlockInfo> blocks_;
114  SCDimension(const char* name = 0);
115  public:
118  SCDimension(int n, const char* name = 0);
119  SCDimension(const Ref<SCBlockInfo>&, const char *name = 0);
120  SCDimension(int n, int nblocks, const int *blocksizes = 0,
121  const char* name = 0);
132  SCDimension(const Ref<KeyVal>&);
133  SCDimension(StateIn&s);
134 
135  ~SCDimension();
136  void save_data_state(StateOut&);
137 
139  int equiv(const SCDimension*) const;
140 
142  int n() const { return n_; }
145  const char* name() const { return name_; }
146 
148  Ref<SCBlockInfo> blocks() { return blocks_; }
149 
151  void print(std::ostream&o=ExEnv::out0()) const;
152 };
153 
156 class RefSCDimension: public Ref<SCDimension> {
157  // standard overrides
158  public:
161  RefSCDimension();
163  RefSCDimension(const RefSCDimension& d);
166 
167  ~RefSCDimension();
170 
175 
176  // dimension specific functions
177  public:
179  operator int() const;
180  int n() const;
181 
182  void print(std::ostream&o=ExEnv::out0()) const;
183 };
184 
185 }
186 
187 #endif
188 
189 // Local Variables:
190 // mode: c++
191 // c-file-style: "CLJ"
192 // End:

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