File: Vector.h

package info (click to toggle)
dynare 4.5.7-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 49,408 kB
  • sloc: cpp: 84,998; ansic: 29,058; pascal: 13,843; sh: 4,833; objc: 4,236; yacc: 3,622; makefile: 2,278; lex: 1,541; python: 236; lisp: 69; xml: 8
file content (258 lines) | stat: -rw-r--r-- 5,550 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
/* $Header: /var/lib/cvs/dynare_cpp/sylv/cc/Vector.h,v 1.1.1.1 2004/06/04 13:01:13 kamenik Exp $ */

/* Tag $Name:  $ */

#ifndef VECTOR_H
#define VECTOR_H

/* NOTE! Vector and ConstVector have not common super class in order
 * to avoid running virtual method invokation mechanism. Some
 * members, and methods are thus duplicated */

#include <cstdio>

class GeneralMatrix;
class ConstVector;

class Vector
{
protected:
  int len;
  int s;
  double *data;
  bool destroy;
public:
  Vector() : len(0), s(1), data(0), destroy(false)
  {
  }
  Vector(int l) : len(l), s(1), data(new double[l]), destroy(true)
  {
  }
  Vector(Vector &v) : len(v.length()), s(v.skip()), data(v.base()), destroy(false)
  {
  }
  Vector(const Vector &v);
  Vector(const ConstVector &v);
  Vector(const double *d, int l)
    : len(l), s(1), data(new double[len]), destroy(true)
  {
    copy(d, 1);
  }
  Vector(double *d, int l)
    : len(l), s(1), data(d), destroy(false)
  {
  }
  Vector(double *d, int skip, int l)
    : len(l), s(skip), data(d), destroy(false)
  {
  }
  Vector(Vector &v, int off, int l);
  Vector(const Vector &v, int off, int l);
  Vector(GeneralMatrix &m, int col);
  Vector(int row, GeneralMatrix &m);
  const Vector &operator=(const Vector &v);
  const Vector &operator=(const ConstVector &v);
  double &
  operator[](int i)
  {
    return data[s*i];
  }
  const double &
  operator[](int i) const
  {
    return data[s*i];
  }
  const double *
  base() const
  {
    return data;
  }
  double *
  base()
  {
    return data;
  }
  int
  length() const
  {
    return len;
  }
  int
  skip() const
  {
    return s;
  }

  /** Exact equality. */
  bool operator==(const Vector &y) const;
  bool operator!=(const Vector &y) const;
  /** Lexicographic ordering. */
  bool operator<(const Vector &y) const;
  bool operator<=(const Vector &y) const;
  bool operator>(const Vector &y) const;
  bool operator>=(const Vector &y) const;

  virtual
  ~Vector();
  void zeros();
  void nans();
  void infs();
  bool
  toBeDestroyed() const
  {
    return destroy;
  }
  void rotatePair(double alpha, double beta1, double beta2, int i);
  void add(double r, const Vector &v);
  void add(double r, const ConstVector &v);
  void add(const double *z, const Vector &v);
  void add(const double *z, const ConstVector &v);
  void mult(double r);
  double getNorm() const;
  double getMax() const;
  double getNorm1() const;
  double dot(const Vector &y) const;
  bool isFinite() const;
  void print() const;

  /* multiplies | alpha -beta1|           |b1|   |x1|
     |             |\otimes I .|  | = |  |
     | -beta2 alpha|           |b2|   |x2|
  */
  static void mult2(double alpha, double beta1, double beta2,
                    Vector &x1, Vector &x2,
                    const Vector &b1, const Vector &b2);
  /* same, but adds instead of set */
  static void mult2a(double alpha, double beta1, double beta2,
                     Vector &x1, Vector &x2,
                     const Vector &b1, const Vector &b2);
  /* same, but subtracts instead of add */
  static void
  mult2s(double alpha, double beta1, double beta2,
         Vector &x1, Vector &x2,
         const Vector &b1, const Vector &b2)
  {
    mult2a(-alpha, -beta1, -beta2, x1, x2, b1, b2);
  }
private:
  void copy(const double *d, int inc);
  const Vector &operator=(int); // must not be used (not implemented)
  const Vector &operator=(double); // must not be used (not implemented)
};

class BaseConstVector
{
protected:
  int len;
  int s;
  const double *data;
public:
  BaseConstVector(int l, int si, const double *d) : len(l), s(si), data(d)
  {
  }
  BaseConstVector(const BaseConstVector &v) : len(v.len), s(v.s), data(v.data)
  {
  }
  const BaseConstVector &
  operator=(const BaseConstVector &v)
  {
    len = v.len; s = v.s; data = v.data; return *this;
  }
  const double &
  operator[](int i) const
  {
    return data[s*i];
  }
  const double *
  base() const
  {
    return data;
  }
  int
  length() const
  {
    return len;
  }
  int
  skip() const
  {
    return s;
  }
};

class ConstGeneralMatrix;

class ConstVector : public BaseConstVector
{
public:
  ConstVector(const Vector &v) : BaseConstVector(v.length(), v.skip(), v.base())
  {
  }
  ConstVector(const ConstVector &v) : BaseConstVector(v)
  {
  }
  ConstVector(const double *d, int l) : BaseConstVector(l, 1, d)
  {
  }
  ConstVector(const Vector &v, int off, int l);
  ConstVector(const ConstVector &v, int off, int l);
  ConstVector(const double *d, int skip, int l);
  ConstVector(const ConstGeneralMatrix &m, int col);
  ConstVector(int row, const ConstGeneralMatrix &m);

  virtual ~ConstVector()
  {
  }
  /** Exact equality. */
  bool operator==(const ConstVector &y) const;
  bool
  operator!=(const ConstVector &y) const
  {
    return !operator==(y);
  }
  /** Lexicographic ordering. */
  bool operator<(const ConstVector &y) const;
  bool
  operator<=(const ConstVector &y) const
  {
    return operator<(y) || operator==(y);
  }
  bool
  operator>(const ConstVector &y) const
  {
    return !operator<=(y);
  }
  bool
  operator>=(const ConstVector &y) const
  {
    return !operator<(y);
  }

  double getNorm() const;
  double getMax() const;
  double getNorm1() const;
  double dot(const ConstVector &y) const;
  bool isFinite() const;
  void print() const;
};

class ZeroPad
{
public:
  static const int length = 16;
private:
  double pad[16];
public:
  ZeroPad();
  const double *
  getBase() const
  {
    return pad;
  }
};

#endif /* VECTOR_H */

// Local Variables:
// mode:C++
// End: