NLPInterfacePack_CalcFiniteDiffProd.hpp

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#ifndef CALC_FINITE_DIFF_FIRST_DERIVATIVE_PRODUCT_H
#define CALC_FINITE_DIFF_FIRST_DERIVATIVE_PRODUCT_H

#include "NLPInterfacePack_Types.hpp"
#include "Teuchos_StandardMemberCompositionMacros.hpp"

namespace NLPInterfacePack {

class CalcFiniteDiffProd {
public:

  enum EFDMethodOrder {
    FD_ORDER_ONE           
    ,FD_ORDER_TWO          
    ,FD_ORDER_TWO_CENTRAL  
    ,FD_ORDER_TWO_AUTO     
    ,FD_ORDER_FOUR         
    ,FD_ORDER_FOUR_CENTRAL 
    ,FD_ORDER_FOUR_AUTO    
  };
  enum EFDStepSelect {
    FD_STEP_ABSOLUTE      
    ,FD_STEP_RELATIVE     
  };
  STANDARD_MEMBER_COMPOSITION_MEMBERS( EFDMethodOrder, fd_method_order );
  STANDARD_MEMBER_COMPOSITION_MEMBERS( EFDStepSelect, fd_step_select );
  STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, fd_step_size );
  STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, fd_step_size_min );
  STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, fd_step_size_f );
  STANDARD_MEMBER_COMPOSITION_MEMBERS( value_type, fd_step_size_c );

  CalcFiniteDiffProd(
    EFDMethodOrder              fd_method_order  = FD_ORDER_FOUR_AUTO
    ,EFDStepSelect              fd_step_select   = FD_STEP_ABSOLUTE
    ,value_type                 fd_step_size     = -1.0
    ,value_type                 fd_step_size_min = -1.0
    ,value_type                 fd_step_size_f   = -1.0
    ,value_type                 fd_step_size_c   = -1.0
    );

  virtual ~CalcFiniteDiffProd() {}

  virtual bool calc_deriv_product(
    const Vector       &xo
    ,const Vector      *xl
    ,const Vector      *xu
    ,const Vector      &v
    ,const value_type  *fo
    ,const Vector      *co
    ,bool              check_nan_inf
    ,NLP               *nlp
    ,value_type        *Gf_prod
    ,VectorMutable     *Gc_prod
    ,std::ostream      *out
    ,bool              trace    = false
    ,bool              dump_all = false
    ) const;

};  // end class CalcFiniteDiffProd

} // end namespace NLPInterfacePack

#endif  // CALC_FINITE_DIFF_FIRST_DERIVATIVE_PRODUCT_H