TensorsOptimizer.hh

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// -*- mode:c++;tab-width:2;indent-tabs-mode:t;show-trailing-whitespace:t;rm-trailing-spaces:t -*-
// vi: set ts=2 noet:
//
// (c) Copyright Rosetta Commons Member Institutions.
// (c) This file is part of the Rosetta software suite and is made available under license.
// (c) The Rosetta software is developed by the contributing members of the Rosetta Commons.
// (c) For more information, see http://www.rosettacommons.org. Questions about this can be
// (c) addressed to University of Washington UW TechTransfer, email: license@u.washington.edu.

 //////////////////////////////////////////////
 /// @begin
 ///
 /// @file protocols/scoring/methods/pcs2/TensorsOptimizer.hh
 ///
 /// @brief
 ///
 /// @detailed
 ///
 /// @param
 ///
 /// @return
 ///
 /// @remarks
 ///
 /// @references
 ///
 /// @authorsv Christophe Schmitz
 ///
 /// @last_modified February 2010
 ////////////////////////////////////////////////

#ifndef INCLUDED_protocols_scoring_methods_pcs2_TensorsOptimizer_hh
#define INCLUDED_protocols_scoring_methods_pcs2_TensorsOptimizer_hh

// Package headers
#include <protocols/scoring/methods/pcs2/PcsDataCenter.fwd.hh>
// Project headers
#include <core/optimization/Multifunc.hh>

// Utility headers

// Numeric headers
#include <numeric/constants.hh>

#include <utility/vector1.hh>


// Objexx headers

// C++ headers


namespace protocols{
namespace scoring{
namespace methods{
namespace pcs2{

class TensorsOptimizer : public core::optimization::Multifunc {

public:
  //PcsDataCenter  const & pcs_d_c_;
  PcsDataCenter  & pcs_d_c_;

  //TensorsOptimizer();

  TensorsOptimizer(PcsDataCenter /*const*/  & pcs_d_c);

  virtual
  ~TensorsOptimizer();

  // @brief OptE func
  virtual
  core::Real
  operator ()( core::optimization::Multivec const & vars ) const;

  core::Real
  func( core::optimization::Multivec const & vars ) const;


  /// @brief OptE dfunc
  virtual
  void
  dfunc(core::optimization::Multivec const & vars,
    core::optimization::Multivec & dE_dvars
  ) const;

  virtual
  bool
  abort_min(core::optimization::Multivec const & vars ) const;

  /// @brief exact derivative (fast)
  void
  dfunc_exact(core::optimization::Multivec const & vars,
  core::optimization::Multivec & dE_dvars
  ) const;

  /// @brief numeric derivative (slow)
  void
  dfunc_numeric(core::optimization::Multivec const & vars,
  core::optimization::Multivec & dE_dvars
  ) const;

private:


};

}//namespace pcs2
}//namespace methods
}//namespace scoring
}//namespace protocols

static const core::Real FACT_USI_PRECALC_FOR_A_3( (10000.0/12.0/ core::Real( numeric::constants::d::pi ) ) * 3.0 );

static const core::Real FACT_20_PI_OVER_10000(20 * numeric::constants::d::pi / 10000.0);
static const core::Real FACT_10000_OVER_4PI(10000.0/(4 * numeric::constants::d::pi));

#endif