Selected_Manybody_States.h

#ifndef QNANO_NEW_SELECTED_MANYBODY_STATES_DEFINED_H
#define QNANO_NEW_SELECTED_MANYBODY_STATES_DEFINED_H

#include "manybody/Fermion_Double_Index.h"
#include <map>
#include <cstdlib>
#include <iostream>
#include "tools/Size_Provider.h"
#include "tools/Reader.h"
#include "tools/Index_Hash_Table.h"


class Selected_Manybody_States: public Size_Provider{
public:

  virtual size_t size()const=0;
  virtual void clear(){};
  virtual bool is_contained(const Fermion_Double_Index &fi)const=0;

  virtual int find(const Fermion_Double_Index &fi)const=0;
  virtual int find_check(const Fermion_Double_Index &fi)const=0;
  

  virtual void add_if_not_contained(const Fermion_Double_Index &fi)=0;
  virtual void add_from_file(const std::string &fname, int rank_e, int rank_h, int max_nr_e, int max_nr_h)=0;

  virtual void print(std::ostream &os=std::cout)const=0;
  virtual void print(const std::string &fname)const{
    std::ofstream ofs(fname.c_str());
    print(ofs);
  }

  virtual void add_all(int rank_e, int rank_h, int nr_e, int nr_h, int start_e=0, int start_h=0)=0;
  virtual void add_singles(int nr_e, int nr_h)=0;


};
#endif