mcMd/potentials/pair/PairPotential.h

#ifndef MCMD_PAIR_POTENTIAL_H
#define MCMD_PAIR_POTENTIAL_H

/*
* Simpatico - Simulation Package for Polymeric and Molecular Liquids
*
* Copyright 2010 - 2017, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/

#include <mcMd/potentials/misc/EnergyCalculator.h>
#include <mcMd/potentials/misc/StressCalculator.h>

// #include <util/space/Tensor.h>
// #include <util/misc/Setable.h>

#include <util/global.h>
#include <string>

namespace Util
{
   class Vector;
}

namespace McMd
{

   using namespace Util;

   class PairPotential : public EnergyCalculator, public StressCalculator
   {

   public:

      virtual ~PairPotential()
      {}

      // Prevent hiding of inherited function
      using EnergyCalculator::energy;



      virtual 
      double energy(double rsq, int iAtomType, int jAtomType) const = 0;

      virtual 
      double forceOverR(double rsq, int iAtomType, int jAtomType) const = 0;

      virtual void set(std::string name, int i, int j, double value) = 0;

      virtual double get(std::string name, int i, int j) const = 0;

      virtual double maxPairCutoff() const = 0;

      virtual std::string interactionClassName() const = 0;


   };

}
#endif