CostFuncRwp.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
#pragma once
 
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include "MantidCurveFitting/CostFunctions/CostFuncLeastSquares.h"
#include "MantidCurveFitting/EigenMatrix.h"
#include "MantidCurveFitting/EigenVector.h"
 
namespace Mantid {
namespace Kernel {
class Logger;
}
namespace CurveFitting {
class SeqDomain;
class ParDomain;
 
namespace CostFunctions {
 
class MANTID_CURVEFITTING_DLL CostFuncRwp : public CostFuncLeastSquares {
public:
  CostFuncRwp();
 
  std::string name() const override { return "Rwp"; }
 
  std::string shortName() const override { return "Rwp"; }
 
private:
  std::vector<double> getFitWeights(API::FunctionValues_sptr values) const override;
 
  double getWeight(const API::FunctionValues_sptr &values, size_t i, double sqrtW = 1.0) const;
 
  double calSqrtW(const API::FunctionValues_sptr &values) const;
 
  friend class CurveFitting::SeqDomain;
  friend class CurveFitting::ParDomain;
};
 
} // namespace CostFunctions
} // namespace CurveFitting
} // namespace Mantid