GlobiPack_LineSearchBase.hpp

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//    GlobiPack: Collection of Scalar 1D globalizaton utilities
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#ifndef GLOBIPACK_LINE_SEARCH_BASE_HPP
#define GLOBIPACK_LINE_SEARCH_BASE_HPP


#include "GlobiPack_MeritFunc1DBase.hpp"
#include "Teuchos_Describable.hpp"
#include "Teuchos_VerboseObject.hpp"
#include "Teuchos_ParameterListAcceptor.hpp"


namespace GlobiPack {


template<typename Scalar>
class LineSearchBase
  : virtual public Teuchos::Describable,
    virtual public Teuchos::VerboseObject<LineSearchBase<Scalar> >,
    virtual public Teuchos::ParameterListAcceptor
{
public:

  virtual bool requiresBaseDeriv() const = 0;

  virtual bool requiresDerivEvals() const = 0;

  virtual bool doLineSearch(
    const MeritFunc1DBase<Scalar> &phi,
    const PointEval1D<Scalar> &point_k,
    const Ptr<PointEval1D<Scalar> > &point_kp1,
    const Ptr<int> &numIters
    ) const = 0;

};


} // namespace GlobiPack


#endif // GLOBIPACK_LINE_SEARCH_BASE_HPP