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
|
#include <istream>
#include <algorithm>
#include <numeric>
template <size_t Rows, size_t Columns, typename DataType = double>
class Matrix
{
//HEAD
using MatrixRow = Matrix<1, Columns, DataType>;
using MatrixColumn = Matrix<Rows, 1, DataType>;
MatrixRow d_matrix[Rows];
//=
public:
Matrix();
Matrix(std::istream &str);
MatrixRow &operator[](size_t idx);
MatrixRow const &operator[](size_t idx) const;
MatrixRow columnMarginals() const;
MatrixColumn rowMarginals() const;
DataType sum() const;
};
//MATRIXROW
template <size_t Columns, typename DataType> // no default allowed
class Matrix<1, Columns, DataType>
//=
{
//ROWDATA
DataType d_column[Columns];
//=
public:
Matrix();
template <size_t Rows>
Matrix(Matrix<Rows, Columns, DataType> const &matrix);
DataType &operator[](size_t idx);
DataType const &operator[](size_t idx) const;
};
//MATRIXCOLUMN
template <size_t Rows, typename DataType>
class Matrix<Rows, 1, DataType>
//=
{
DataType d_row[Rows];
public:
Matrix();
template <size_t Columns>
Matrix(Matrix<Rows, Columns, DataType> const &matrix);
DataType &operator[](size_t idx);
DataType const &operator[](size_t idx) const;
DataType sum();
};
//MATRIX1X1
template <typename DataType>
class Matrix<1, 1, DataType>
//=
{
DataType d_cell;
public:
Matrix();
template <size_t Rows, size_t Columns>
Matrix(Matrix<Rows, Columns, DataType> const &matrix);
template <size_t Rows>
Matrix(Matrix<Rows, 1, DataType> const &matrix);
operator DataType &();
DataType &get();
operator DataType const &() const;
DataType const &get() const;
};
//MARGINALS
template <size_t Rows, size_t Columns, typename DataType>
Matrix<1, Columns, DataType>
Matrix<Rows, Columns, DataType>::columnMarginals() const
{
return MatrixRow(*this);
}
template <size_t Rows, size_t Columns, typename DataType>
Matrix<Rows, 1, DataType>
Matrix<Rows, Columns, DataType>::rowMarginals() const
{
return MatrixColumn(*this);
}
template <size_t Rows, size_t Columns, typename DataType>
DataType Matrix<Rows, Columns, DataType>::sum() const
{
return rowMarginals().sum();
}
//=
//CONSTRUCTORS
template <size_t Rows, size_t Columns, typename DataType>
Matrix<Rows, Columns, DataType>::Matrix()
{
std::fill(d_matrix, d_matrix + Rows, MatrixRow());
}
template <size_t Rows, size_t Columns, typename DataType>
Matrix<Rows, Columns, DataType>::Matrix(std::istream &str)
{
for (size_t row = 0; row < Rows; row++)
for (size_t col = 0; col < Columns; col++)
str >> d_matrix[row][col];
}
//=
//OPERATORINDEX
template <size_t Rows, size_t Columns, typename DataType>
Matrix<1, Columns, DataType>
&Matrix<Rows, Columns, DataType>::operator[](size_t idx)
{
return d_matrix[idx];
}
//=
template <size_t Rows, size_t Columns, typename DataType>
Matrix<1, Columns, DataType>
const &Matrix<Rows, Columns, DataType>::operator[](size_t idx) const
{
return d_matrix[idx];
}
//ROWCONS1
template <size_t Columns, typename DataType>
Matrix<1, Columns, DataType>::Matrix()
{
std::fill(d_column, d_column + Columns, DataType());
}
//=
//ROWCONS2
template <size_t Columns, typename DataType>
template <size_t Rows>
Matrix<1, Columns, DataType>::Matrix(
Matrix<Rows, Columns, DataType> const &matrix)
{
std::fill(d_column, d_column + Columns, DataType());
for (size_t col = 0; col < Columns; col++)
for (size_t row = 0; row < Rows; row++)
d_column[col] += matrix[row][col];
}
//=
//ROWOPERATORINDEX
template <size_t Columns, typename DataType>
DataType &Matrix<1, Columns, DataType>::operator[](size_t idx)
{
return d_column[idx];
}
//=
template <size_t Columns, typename DataType>
DataType const &Matrix<1, Columns, DataType>::operator[](size_t idx) const
{
return d_column[idx];
}
template <size_t Rows, typename DataType>
Matrix<Rows, 1, DataType>::Matrix()
{
std::fill(d_row, d_row + Rows, DataType());
}
template <size_t Rows, typename DataType>
template <size_t Columns>
Matrix<Rows, 1, DataType>::Matrix(
Matrix<Rows, Columns, DataType> const &matrix)
{
for (size_t row = 0; row < Rows; row++)
d_row[row] =
std::accumulate
(
&matrix[row][0], &matrix[row][Columns], DataType()
);
}
template <size_t Rows, typename DataType>
DataType &Matrix<Rows, 1, DataType>::operator[](size_t idx)
{
return d_row[idx];
}
template <size_t Rows, typename DataType>
DataType const &Matrix<Rows, 1, DataType>::operator[](size_t idx) const
{
return d_row[idx];
}
//SUMCOLUMN
template <size_t Rows, typename DataType>
DataType Matrix<Rows, 1, DataType>::sum()
{
return std::accumulate(d_row, d_row + Rows, DataType());
}
//=
template <typename DataType>
Matrix<1, 1, DataType>::Matrix()
:
d_cell(DataType())
{}
//1X1CONS
template <typename DataType>
template <size_t Rows, size_t Columns>
Matrix<1, 1, DataType>::Matrix(
Matrix<Rows, Columns, DataType> const &matrix)
:
d_cell(matrix.rowMarginals().sum())
{}
template <typename DataType>
template <size_t Rows>
Matrix<1, 1, DataType>::Matrix(Matrix<Rows, 1, DataType> const &matrix)
:
d_cell(matrix.sum())
{}
//=
//ACCESSORS
template <typename DataType>
Matrix<1, 1, DataType>::operator DataType &()
{
return d_cell;
}
template <typename DataType>
DataType &Matrix<1, 1, DataType>::get()
{
return d_cell;
}
//=
template <typename DataType>
Matrix<1, 1, DataType>::operator DataType const &() const
{
return d_cell;
}
template <typename DataType>
DataType const &Matrix<1, 1, DataType>::get() const
{
return d_cell;
}
|
