GlobiPack_GoldenQuadInterpBracket_decl.hpp

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//    GlobiPack: Collection of Scalar 1D globalizaton utilities
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#ifndef GLOBIPACK_GOLDEN_BRACKET_QUAD_INTERP_DECL_HPP
#define GLOBIPACK_GOLDEN_BRACKET_QUAD_INTERP_DECL_HPP
 
 
#include "GlobiPack_MeritFunc1DBase.hpp"
#include "Teuchos_Describable.hpp"
#include "Teuchos_VerboseObject.hpp"
#include "Teuchos_ParameterListAcceptorDefaultBase.hpp"
 
 
namespace GlobiPack {
 
 
template<typename Scalar>
class GoldenQuadInterpBracket
  : public Teuchos::Describable,
    public Teuchos::VerboseObject<GoldenQuadInterpBracket<Scalar> >,
    public Teuchos::ParameterListAcceptorDefaultBase
{
public:
 
 
  GoldenQuadInterpBracket();
 
 
 
  void setParameterList(RCP<ParameterList> const& paramList);
  RCP<const ParameterList> getValidParameters() const;
 
 
 
  bool bracketMinimum(
    const MeritFunc1DBase<Scalar> &phi,
    const Ptr<PointEval1D<Scalar> > &pointLower,
    const Ptr<PointEval1D<Scalar> > &pointMiddle,
    const Ptr<PointEval1D<Scalar> > &pointUpper,
    const Ptr<int> &numIters = Teuchos::null
    ) const;
 
 
private:
 
  // //////////////////////
  // Private data members
 
};
 
 
template<typename Scalar>
inline
const RCP<GoldenQuadInterpBracket<Scalar> > goldenQuadInterpBracket()
{
  return Teuchos::rcp(new GoldenQuadInterpBracket<Scalar>());
}
 
 
// Default values are exposed here for unit testing purposes
 
 
namespace GoldenQuadInterpBracketUtils {
 
 
const std::string eta_name = "Armijo Slope Fraction";
const double eta_default = 1.0e-4;
 
 
} // namespace GoldenQuadInterpBracketUtils
 
 
 
} // namespace GlobiPack
 
 
#endif // GLOBIPACK_GOLDEN_BRACKET_QUAD_INTERP_DECL_HPP