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#ifndef NFW_MODEL_H_
#define NFW_MODEL_H_
#include <core/fitter.hpp>
#include <cmath>
#include <iostream>
namespace opt_utilities
{
template <typename T>
class nfw1d
:public model<T,T,std::vector<T>,std::string>
{
private:
model<T,T,std::vector<T> >* do_clone()const
{
return new nfw1d<T>(*this);
}
public:
nfw1d()
{
this->push_param_info(param_info<std::vector<T> >("rho0",1.));
this->push_param_info(param_info<std::vector<T> >("rs",1.));
}
T do_eval(const T& x,const std::vector<T>& param)
{
T rho0=get_element(param,0);
T rs=get_element(param,1);
return rho0/(x/rs*(1+x/rs)*(1+x/rs));
}
std::string do_to_string()const
{
return "NFW model\n"
"y=rho0/(r/rs*(1+r/rs)^2\n";
}
};
};
#endif
//EOF
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