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#ifndef DDBETA_OOOMODEL2d2_H_
#define DDBETA_OOOMODEL2d2_H_
#define OPT_HEADER
#include <core/fitter.hpp>
#include <cmath>
#include <cassert>
#include "vecn.hpp"
namespace opt_utilities
{
template <typename T>
class dbeta2d2
:public model<T,vecn<T,2>,std::vector<T>,std::string>
{
private:
model<T,vecn<T,2>,std::vector<T> >* do_clone()const
{
return new dbeta2d2<T>(*this);
}
public:
dbeta2d2()
{
this->push_param_info(param_info<std::vector<T> >("ampl1",1));//0
this->push_param_info(param_info<std::vector<T> >("r01",1));//1
this->push_param_info(param_info<std::vector<T> >("x01",100));//2
this->push_param_info(param_info<std::vector<T> >("y01",100));//3
this->push_param_info(param_info<std::vector<T> >("theta1",0));//4
this->push_param_info(param_info<std::vector<T> >("beta1",2./3.));//5
this->push_param_info(param_info<std::vector<T> >("epsilon1",0));//6
this->push_param_info(param_info<std::vector<T> >("ampl2",1));//7
this->push_param_info(param_info<std::vector<T> >("r02",1));//8
this->push_param_info(param_info<std::vector<T> >("x02",100));//9
this->push_param_info(param_info<std::vector<T> >("y02",100));//10
this->push_param_info(param_info<std::vector<T> >("theta2",0));//11
this->push_param_info(param_info<std::vector<T> >("beta2",2./4.));//12
this->push_param_info(param_info<std::vector<T> >("epsilon2",0));//13
this->push_param_info(param_info<std::vector<T> >("bkg",0));//14
}
T do_eval(const vecn<T,2>& xy,const std::vector<T>& param)
{
T x=xy[0];
T y=xy[1];
T ampl1=get_element(param,0);
T r01=get_element(param,1);
T x01=get_element(param,2);
T y01=get_element(param,3);
T theta1=get_element(param,4);
T beta1=get_element(param,5);
T epsilon1=get_element(param,6);
T ampl2=get_element(param,7);
T r02=get_element(param,8);
T x02=get_element(param,9);
T y02=get_element(param,10);
T theta2=get_element(param,11);
T beta2=get_element(param,12);
T epsilon2=get_element(param,13);
T bkg=get_element(param,14);
T x_new1=(x-x01)*cos(theta1)+(y-y01)*sin(theta1);
T y_new1=(y-y01)*cos(theta1)-(x-x01)*sin(theta1);
//T r1=sqrt(x_new1*x_new1*(1-epsilon1)*(1-epsilon1)
// + y_new1*y_new1);
//r1/=(1-epsilon1);
T r1_r1=x_new1*x_new1/exp(epsilon1/30)+y_new1*y_new1/exp(-epsilon1/30);
T x_new2=(x-x02)*cos(theta2)+(y-y02)*sin(theta2);
T y_new2=(y-y02)*cos(theta2)-(x-x02)*sin(theta2);
T r2_r2=x_new2*x_new2/exp(epsilon2/30)+y_new2*y_new2/exp(-epsilon2/30);
// T r2=sqrt(x_new2*x_new2*(1-epsilon2)*(1-epsilon2)
// + y_new2*y_new2);
//r2/=(1-epsilon2);
return bkg+ampl1*pow(1+(r1_r1/r01/r01),-3*beta1+static_cast<T>(.5))
+ampl2*pow(1+(r2_r2/r02/r02),-3*beta2+static_cast<T>(.5));
}
};
}
#endif
//EOF
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