timeview.hh

#ifndef TIMEVIEW_HH
#define TIMEVIEW_HH
 
#include <dune/fem/solver/timeprovider.hh>
 
namespace Dune {
 
  namespace ACFem {
 
    template<class TimeProvider>
    class TimeView
    {
     public:
      typedef TimeProvider TimeProviderType;
 
      TimeView(const TimeProviderType& origin, double theta = 0.0)
        : origin_(origin), theta_(theta)
      {}
 
      TimeView(const TimeView& other)
        : origin_(other.origin_), theta_(other.theta_)
      {}
 
      double theta() const     { return theta_; }
 
      double time() const      { return origin_.time() + theta() * deltaT(); }
 
      double deltaT() const    { return origin_.deltaT(); }
 
      double startTime() const { return origin_.time(); }
 
      double endTime() const   { return startTime() + deltaT(); }
 
      void setTheta(const double theta) {
        assert(theta >= 0.0 && theta <= 1.0);
        theta_ = theta;
      }
 
      const TimeProviderType& timeProvider() const
      {
        return origin_;
      }
 
      const TimeProviderType& timeProvider()
      {
        return origin_;
      }
 
     private:
      const TimeProviderType& origin_;
      double theta_;
    };
 
 
  } // namespace ACFem
 
} // namespace Dune
 
#endif