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#ifndef PRE_ESTIMATER_HPP
#define PRE_ESTIMATER_HPP
#include <core/fitter.hpp>
namespace opt_utilities
{
template <typename Ty,typename Tx,typename Tp,typename Tstr=std::string>
class pre_estimater
{
private:
std::string model_id;
private:
virtual void do_estimate(const data_set<Ty,Tx>& d,model<Ty,Tx,Tp,Tstr>& m)const=0;
virtual pre_estimater* do_clone()const=0;
virtual void do_destroy()
{
delete this;
}
public:
void estimate(const data_set<Ty,Tx>& d,model<Ty,Tx,Tp,Tstr>& m)const
{
do_estimate(d,m);
}
pre_estimater* clone()const
{
return this->do_clone();
}
void destroy()
{
do_destroy();
}
public:
std::string get_model_id()const
{
return model_id;
}
void set_model_id(const std::string& s)
{
model_id=s;
}
};
template <typename Ty,typename Tx,typename Tp,typename Tstr=std::string>
class pre_estimatable
{
private:
pre_estimater<Ty,Tx,Tp,Tstr>* ppe;
public:
pre_estimatable()
:ppe(0)
{}
pre_estimatable(const pre_estimatable<Ty,Tx,Tp,Tstr>& rhs)
:ppe(0)
{
if(rhs.ppe)
{
ppe=rhs.ppe->clone();
}
}
pre_estimatable& operator=(const pre_estimatable<Ty,Tx,Tp,Tstr>& rhs)
{
if(this==&rhs)
{
return *this;
}
if(ppe)
{
ppe->destroy();
}
ppe=rhs.ppe->clone();
}
void set_pre_estimater(const pre_estimater<Ty,Tx,Tp,Tstr>& pe)
{
if(dynamic_cast<model<Ty,Tx,Tp,Tstr>&>(*this).get_type_name()!=pe.get_model_id())
{
return;
}
if(ppe)
{
ppe->destroy();
}
ppe=pe.clone();
}
virtual ~pre_estimatable()
{
if(ppe)
{
ppe->destroy();
}
}
public:
void estimate(const data_set<Ty,Tx>& d)
{
if(ppe)
{
ppe->estimate(d,dynamic_cast<model<Ty,Tx,Tp,Tstr>&>(*this));
}
}
};
template <typename Ty,typename Tx,typename Tp,typename Ts,typename Tstr>
void pre_estimate(fitter<Ty,Tx,Tp,Ts,Tstr>& fit)
{
dynamic_cast<pre_estimatable<Ty,Tx,Tp,Tstr>&>(fit.get_model()).estimate(fit.get_data_set());
}
}
#endif
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