Abstract_Solver.h

#ifndef QNANO_NEW_ABSTRACT_SOLVER_DEFINED_H
#define QNANO_NEW_ABSTRACT_SOLVER_DEFINED_H
#include <cstdlib>
#include <complex>
#include "tools/Communicator.h"
#include "tools/Distribute_Block_Local.h"

class Abstract_Solver{
public:
  virtual void setup()=0;
  virtual void solve()=0;

  //If MPI is used: print only from thread 0. If MPI is not used, return always true
  virtual bool should_print()const=0;

  //Access to eigenvector number i, might be local, might be global
  virtual Distribute_Block_Local* new_Distribute_Block_Local(size_t totalsize)const{
    return new Distribute_Block_Local(totalsize);
  }
  virtual Communicator* new_Communicator()const{
    return new Communicator();
  }

  virtual double get_eigenvalue(size_t i)=0;
  virtual void get_EV_local_part(size_t i, std::complex<double> *ptr)=0;

  virtual ~Abstract_Solver();
};


#endif