ROL_DynamicObjective.hpp

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#pragma once
#ifndef ROL_DYNAMICOBJECTIVE_HPP
#define ROL_DYNAMICOBJECTIVE_HPP

#include "ROL_DynamicFunction.hpp"
#include "ROL_TimeStamp.hpp"


namespace ROL {

template<typename Real> 
class DynamicObjective {
public:

  using V  = Vector<Real>;
  using TS = TimeStamp<Real>;

  virtual ~DynamicObjective() {}

  virtual void update( const V& uo, const V& un, const V& z, const TS& timeStamp ) {
    update_uo( uo, timeStamp );
    update_un( un, timeStamp );
    update_z( z, timeStamp );
  }

  virtual void update_uo( const V& uo, const TS& timeStamp ) { }
  virtual void update_un( const V& un, const TS& timeStamp ) { }
  virtual void update_z(  const V& z,  const TS& timeStamp ) { }

  virtual Real value( const V& uo, const V& un, 
                      const V& z, const TS& timeStamp ) const = 0;

  //----------------------------------------------------------------------------
  // Gradient Terms
  virtual void gradient_uo( V& g, const V& uo, const V& un, 
                            const V& z, const TS& timeStamp ) const {}

  virtual void gradient_un( V& g, const V& uo, const V& un, 
                            const V& z, const TS& timeStamp ) const {}

  virtual void gradient_z( V& g, const V& uo, const V& un, 
                           const V& z, const TS& timeStamp ) const {}

  //----------------------------------------------------------------------------
  // Hessian-Vector product terms
  virtual void hessVec_uo_uo( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_uo_un( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_uo_z( V& hv, const V& v, const V& uo, const V& un, 
                             const V& z, const TS& timeStamp ) const {}

  
  virtual void hessVec_un_uo( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_un_un( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_un_z( V& hv, const V& v, const V& uo, const V& un, 
                             const V& z, const TS& timeStamp ) const {}


  virtual void hessVec_z_uo( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_z_un( V& hv, const V& v, const V& uo, const V& un, 
                              const V& z, const TS& timeStamp ) const {}

  virtual void hessVec_z_z( V& hv, const V& v, const V& uo, const V& un, 
                             const V& z, const TS& timeStamp ) const {}
};

} // namespace ROL


#endif // ROL_DYNAMICOBJECTIVE_HPP