blob: c30dbb65730b1c055f142e143f9289d9f2f05128 (
plain)
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
|
/**
\file powerlaw.hpp
\brief power law model
\author Junhua Gu
*/
#ifndef POWER_LAW_MODEL_H_
#define POWER_LAW_MODEL_H_
#define OPT_HEADER
#include <core/fitter.hpp>
#include <cmath>
#include <misc/optvec.hpp>
namespace opt_utilities
{
template <typename T>
class powerlaw
:public model<optvec<T>,optvec<T>,optvec<T>,std::string>
{
private:
powerlaw* do_clone()const
{
return new powerlaw<T>(*this);
}
const char* do_get_type_name()const
{
return "1d power law";
}
public:
powerlaw()
{
this->push_param_info(param_info<optvec<T> >("Ampl",1));
this->push_param_info(param_info<optvec<T> >("gamma",1));
}
optvec<T> do_eval(const optvec<T>& x,const optvec<T>& param)
{
T A=get_element(param,0);
T gamma=get_element(param,1);
return A*pow(x,gamma);
}
private:
std::string do_get_information()const
{
return "Simple power law model\n"
"y=A*x^gamma\n";
}
};
}
#endif
//EOF
|
