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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);
61 SCBlockInfo(StateIn&);
74 SCBlockInfo(const Ref<KeyVal>& keyval);
75
76 ~SCBlockInfo();
77 void save_data_state(StateOut&);
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);
165 RefSCDimension(SCDimension *d);
166
167 ~RefSCDimension();
169 RefSCDimension& operator=(SCDimension* d);
170
171 RefSCDimension& operator<<(RefCount*);
172 RefSCDimension& operator<<(const RefBase &);
174 RefSCDimension& operator=(const RefSCDimension & d);
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: