emptyblockconstraints.hh

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#ifndef _DUNE_ACFEM_EMPTY_BLOCKCONSTRAINTS_HH_
#define _DUNE_ACFEM_EMPTY_BLOCKCONSTRAINTS_HH_
 
#include <dune/fem/operator/common/differentiableoperator.hh>
 
namespace Dune {
 
  namespace ACFem {
 
    template<class DiscreteFunctionSpace>
    class EmptyBlockConstraints
    {
      typedef EmptyBlockConstraints ThisType;
     public:
      typedef DiscreteFunctionSpace DiscreteFunctionSpaceType;
      typedef typename DiscreteFunctionSpaceType::GridPartType GridPartType;
      typedef typename DiscreteFunctionSpaceType::EntityType EntityType;
 
      template <typename ...Args>
      EmptyBlockConstraints(const Args  & ...){}
 
      void update() const {}
      void updateValues() const {}
 
      template<class DomainDiscreteFunction, class RangeDiscreteFunction>
      void operator()(const DomainDiscreteFunction& u, RangeDiscreteFunction& w) const {}
 
      template<class DomainDiscreteFunction, class JacobianOperator>
      void jacobian(const DomainDiscreteFunction& u, JacobianOperator& jOp) const {}
 
      template<class DomainDiscreteFunction, class JacobianOperator>
      void applyToOperator(const DomainDiscreteFunction& u, JacobianOperator& jOp) const
      {
        jacobian(u, jOp);
      }
 
      template<class DomainDiscreteFunction>
      void constrain(DomainDiscreteFunction& w) const {}
 
      template<class DomainDiscreteFunction>
      void zeroConstrain(DomainDiscreteFunction& w) const {}
 
      size_t size() const { return 0; }
    };
 
 
 
  } // ACFem::
 
} // Dune::
 
 
#endif // _DUNE_ACFEM_EMPTY_BLOCKCONSTRAINTS_HH_