rpc/environment/FilmFieldGenExt.h

#ifndef RPC_EXT_GEN_FILM_H
#define RPC_EXT_GEN_FILM_H
 
/*
* PSCF - Polymer Self-Consistent Field
*
* Copyright 2015 - 2025, The Regents of the University of Minnesota
* Distributed under the terms of the GNU General Public License.
*/
 
#include <rpc/system/System.h>
#include <prdc/environment/FilmFieldGenExtBase.h>  // Base class
 
namespace Pscf {
namespace Rpc {
 
   using namespace Util;
   using namespace Pscf::Prdc;

   template <int D>
   class FilmFieldGenExt : public FilmFieldGenExtBase<D>
   {
 
   public:

      FilmFieldGenExt();
      
      FilmFieldGenExt(System<D>& sys);

      ~FilmFieldGenExt();

      double stress(int paramId) const;
 
      using FilmFieldGenExtBase<D>::isAthermal;
      using FilmFieldGenExtBase<D>::chiBottom;
      using FilmFieldGenExtBase<D>::chiTop;
      using FilmFieldGenExtBase<D>::normalVecId;
      using FilmFieldGenExtBase<D>::interfaceThickness;
      using FilmFieldGenExtBase<D>::excludedThickness;
 
   protected:

      void compute();

      System<D> & system();

      System<D> const & system() const;

      std::string systemSpaceGroup() const;

      RealVec<D> systemLatticeVector(int id) const;

      int systemNMonomer() const;
 
      using FilmFieldGenExtBase<D>::normalVecCurrent_;
      using FilmFieldGenExtBase<D>::chiBottomCurrent_;
      using FilmFieldGenExtBase<D>::chiTopCurrent_;
      using ParamComposite::setClassName;
 
   private:

      System<D>* sysPtr_;

      double interfaceThickness_;
 
   };
 
   // Inline member functions
 
   // Get parent System by non-const reference.
   template <int D>
   System<D>& FilmFieldGenExt<D>::system() 
   {
      UTIL_CHECK(sysPtr_);  
      return *sysPtr_; 
   }
 
   // Get parent System by const reference.
   template <int D>
   System<D> const & FilmFieldGenExt<D>::system() const
   {  
      UTIL_CHECK(sysPtr_);  
      return *sysPtr_; 
   }
 
   // Get space group name for this system.
   template <int D>
   inline std::string FilmFieldGenExt<D>::systemSpaceGroup() const
   {  return system().domain().groupName(); }
 
   // Get one of the lattice vectors for this system.
   template <int D>
   inline RealVec<D> FilmFieldGenExt<D>::systemLatticeVector(int id) const
   {  return system().domain().unitCell().rBasis(id); }
 
   // Get the number of monomer species for this system.
   template <int D>
   inline int FilmFieldGenExt<D>::systemNMonomer() const
   {  return system().mixture().nMonomer(); }
   
   #ifndef RPC_EXT_GEN_FILM_TPP
   extern template class FilmFieldGenExt<1>;
   extern template class FilmFieldGenExt<2>;
   extern template class FilmFieldGenExt<3>;
   #endif
 
} // namespace Rpc
} // namespace Pscf
 
#endif