fd_forward_model.h

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#ifndef FD_FORWARD_MODEL_H
#define FD_FORWARD_MODEL_H
#include "forward_model.h"
#include "state_vector.h"

namespace FullPhysics {
/****************************************************************/
class FdForwardModel : public ForwardModel {
public:
  FdForwardModel(const boost::shared_ptr<ForwardModel>& Real_Forward_model,
                 const boost::shared_ptr<StateVector>& Sv,
                 const blitz::Array<double, 1>& Perturbation);
    virtual ~FdForwardModel() {}
    virtual boost::shared_ptr<StateVector> state_vector() const 
    { return statev; }
    virtual void print(std::ostream& Os) const { Os << "FdForwardModel"; }
    virtual Spectrum radiance(int Spec_index, bool Skip_jacobian = false) const;
    virtual int num_channels() const 
    {return real_fm->num_channels();}
    virtual const SpectralDomain spectral_domain(int Spec_index) const
    {return real_fm->spectral_domain(Spec_index);}
private:
    boost::shared_ptr<ForwardModel> real_fm;
    boost::shared_ptr<StateVector> statev;
    blitz::Array<double, 1> perturb;
};
}
#endif