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/**
\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
{
#include <model_doc/powerlaw.info>
return "";
}
};
}
#endif
//EOF
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