sortField.h

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#ifndef SORTFIELD_INCLUDED
#define SORTFIELD_INCLUDED

#include <valarray>
#include "field.h"

#ifdef USE_FACTORY
#include "factory.h"
#endif


class SortField
{
 public:
  virtual ~SortField() {}
  virtual void sort(int, std::valarray<double>&) = 0;
  virtual void sort(int, std::valarray<double>&, std::valarray<Field>&) = 0;
  virtual int converged(double v, double v_thrs) = 0;

#ifdef USE_FACTORY
 public:
  typedef SortField *(*ProductCreator)();
  typedef FactoryTemplate<SortField, ProductCreator>   Factory;

  static SortField *New(const IdentifierType& subtype)
  {
    ProductCreator p = Factory::Find(subtype);

    return p ? (*p)() : 0;
  }

#endif
};
#endif