ParameterTie.h

Go to the documentation of this file.

// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2009 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 "MantidAPI/DllConfig.h"
#include "MantidAPI/ParameterReference.h"
 
#include <map>
#include <memory>
#include <vector>
 
namespace mu {
class Parser;
}
 
namespace Mantid {
namespace API {
class MANTID_API_DLL ParameterTie final : public ParameterReference {
public:
  ParameterTie(IFunction *funct, const std::string &parName, const std::string &expr = "", bool isDefault = false);
  ~ParameterTie() override;
  virtual void set(const std::string &expr);
  virtual double eval(bool setParameterValue = true);
  virtual std::string asString(const IFunction *fun = nullptr) const;
 
  bool findParametersOf(const IFunction *fun) const;
  bool isConstant() const;
  std::vector<ParameterReference> getRHSParameters() const;
 
protected:
  std::unique_ptr<mu::Parser> m_parser; 
  std::map<double *, ParameterReference> m_varMap;
  IFunction *m_function1;
  std::string m_expression;
 
private:
  static double *AddVariable(const char *varName, void *palg);
};
 
} // namespace API
} // namespace Mantid