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
|
#ifndef FREEZE_PARAM_HPP
#define FREEZE_PARAM_HPP
#include "fitter.hpp"
#include <vector>
#include <set>
namespace opt_utilities
{
template <typename Ty,typename Tx,typename Tp,typename Tstr=std::string>
class freeze_param
:public param_modifier<Ty,Tx,Tp,Tstr>
{
private:
std::set<Tstr> param_names;
std::vector<size_t> param_num;
size_t num_free;
public:
freeze_param()
{
}
freeze_param(const Tstr& name)
{
param_names.insert(name);
}
private:
freeze_param<Ty,Tx,Tp,Tstr>* do_clone()const
{
return new freeze_param<Ty,Tx,Tp,Tstr>(*this);
}
void update()
{
param_num.clear();
for(typename std::set<Tstr>::const_iterator i=param_names.begin();
i!=param_names.end();++i)
{
try
{
param_num.push_back(this->get_model().get_param_order(*i));
}
catch(opt_exception& e)
{
param_names.erase(*i);
throw;
}
}
}
size_t do_get_num_free_params()const
{
return this->get_model().get_num_params()-param_num.size();
}
bool is_frozen(size_t i)const
{
if(find(param_num.begin(),param_num.end(),i)==param_num.end())
{
return false;
}
return true;
}
Tp do_reform(const Tp& p)const
{
size_t nparams=(this->get_model().get_num_params());
Tp reformed_p(nparams);
size_t i=0,j=0;
for(i=0;i<nparams;++i)
{
if(this->is_frozen(i))
{
const param_info<Tp,Tstr>& pinf=this->get_model().get_param_info(i);
//std::cout<<"frozen:"<<pinf.get_name()
// <<i<<"\t"<<j
// <<std::endl;
//opt_eq(get_element(reformed_p,i),pinf.get_value());
set_element(reformed_p,i,pinf.get_value());
}
else
{
//opt_eq(get_element(reformed_p,i),get_element(p,j));
set_element(reformed_p,i,get_element(p,j));
j++;
}
}
/*
for(int i=0;i<reformed_p.size();++i)
{
std::cout<<get_element(reformed_p,i)<<",";
}
*/
//std::cout<<"\n";
return reformed_p;
// return p;
}
Tp do_deform(const Tp& p)const
{
Tp deformed_p(do_get_num_free_params());
size_t i(0),j(0);
assert(get_size(p)==this->get_model().get_num_params());
for(;i<get_size(p);++i)
{
//std::cout<<is_frozen(j)<<"\n";
if(!this->is_frozen(i))
{
//opt_eq(get_element(deformed_p,j),get_element(p,i));
set_element(deformed_p,j,get_element(p,i));
j++;
}
}
assert(j==do_get_num_free_params());
return deformed_p;
}
Tstr do_report_param_status(const Tstr& name)const
{
if(param_names.find(name)==param_names.end())
{
return "thawed";
}
return "frozen";
}
public:
freeze_param operator+(const freeze_param& fp)const
{
freeze_param result(*this);
for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
i!=fp.param_names.end();
++i)
{
result.param_names.insert(*i);
}
return result;
}
freeze_param& operator+=(const freeze_param& fp)
{
//param_names.insert(param_names.end(),
//fp.param_names.begin(),
//fp.param_names.end());
for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
i!=fp.param_names.end();
++i)
{
param_names.insert(*i);
}
try
{
update();
}
catch(opt_exception& e)
{
throw;
}
return *this;
}
freeze_param& operator-=(const freeze_param& fp)
{
//param_names.insert(param_names.end(),
//fp.param_names.begin(),
//fp.param_names.end());
for(typename std::set<Tstr>::const_iterator i=fp.param_names.begin();
i!=fp.param_names.end();
++i)
{
param_names.erase(*i);
}
try
{
update();
}
catch(opt_exception& e)
{
throw;
}
return *this;
}
};
template <typename Ty,typename Tx,typename Tp,typename Tstr>
freeze_param<Ty,Tx,Tp,Tstr> freeze(const Tstr& name)
{
return freeze_param<Ty,Tx,Tp,Tstr>(name);
}
};
#endif
//EOF
|
