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/**
\file bremss.hpp
\brief bremss emission
\author Junhua Gu
*/
#ifndef BREMSS_MODEL_H_
#define BREMSS_MODEL_H_
#define OPT_HEADER
#include <core/fitter.hpp>
#include <cmath>
namespace opt_utilities
{
template <typename T>
class bremss
:public model<T,T,std::vector<T>,std::string>
{
private:
model<T,T,std::vector<T> >* do_clone()const
{
return new bremss<T>(*this);
}
const char* do_get_type_name()const
{
return "Bremsstrahlung emission";
}
public:
bremss()
{
this->push_param_info(param_info<std::vector<T> >("norm",1));
this->push_param_info(param_info<std::vector<T> >("kT",1));
}
T do_eval(const T& x,const std::vector<T>& param)
{
T norm=get_element(param,0);
T kT=get_element(param,1);
return norm*sqrt(kT)*exp(-x/kT);
}
private:
std::string do_get_information()const
{
return "<math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"block\" class=\"equation\"><mi>f</mi><mrow><mo class=\"MathClass-open\">(</mo><mrow><mi>x</mi><mo class=\"MathClass-punc\">;</mo><mi>n</mi><mi>o</mi><mi>r</mi><mi>m</mi><mo class=\"MathClass-punc\">,</mo><mi>k</mi><mi>T</mi></mrow><mo class=\"MathClass-close\">)</mo></mrow> <mo class=\"MathClass-rel\">=</mo> <mi>n</mi><mi>o</mi><mi>r</mi><mi>m</mi><msqrt><mrow><mi>k</mi><mi>T</mi></mrow></msqrt><msup><mrow><mi>e</mi></mrow><mrow><mo class=\"MathClass-bin\">−</mo><mi>x</mi><mo class=\"MathClass-bin\">∕</mo><mi>k</mi><mi>T</mi> </mrow></msup></math>";
}
};
}
#endif
//EOF
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