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/**
\file gauss1d.hpp
\brief Gauss model
\author Junhua Gu
*/
#ifndef GAUSS_MODEL_H_
#define GAUSS_MODEL_H_
#define OPT_HEADER
#include <core/fitter.hpp>
#include <core/pre_estimater.hpp>
#include <cmath>
#include <misc/optvec.hpp>
#include <core/pre_estimater.hpp>
namespace opt_utilities
{
template <typename T>
class gauss1d
:public model<optvec<T>,optvec<T>,optvec<T>,std::string>,
public pre_estimatable<optvec<T>,optvec<T>,optvec<T>,std::string>
{
private:
gauss1d* do_clone()const
{
return new gauss1d<T>(*this);
}
const char* do_get_type_name()const
{
return "1d gaussian";
}
public:
gauss1d()
{
this->push_param_info(param_info<optvec<T> >("N",1));
this->push_param_info(param_info<optvec<T> >("x0",0));
this->push_param_info(param_info<optvec<T> >("sigma",1));
}
public:
optvec<T> do_eval(const optvec<T>& x,const optvec<T>& param)
{
T N=get_element(param,0);
T x0=get_element(param,1);
T sigma=get_element(param,2);
optvec<T> y=(x-x0)/sigma;
return N*exp(-y*y/2.);
}
private:
std::string do_get_information()const
{
return "";
}
};
}
#endif
//EOF
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