CalculateReflectometry.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
 
#include "MantidGeometry/Math/Quadrilateral.h"
#include <cmath>
 
namespace Mantid {
namespace DataObjects {
 
class CalculateReflectometry {
 
protected:
  double m_theta_i{0.0};
  const double to_radians_factor = M_PI / 180.0;
  int m_version;
 
public:
  CalculateReflectometry(int version) : m_version{version} {}
  virtual ~CalculateReflectometry() = default;
 
  void setThetaIncident(double thetaIncident) {
    m_theta_i = thetaIncident;
    updateThetaIncident(thetaIncident);
  };
 
  virtual void updateThetaIncident(double thetaIncident) = 0;
 
  virtual void setThetaFinal(double thetaFinal) = 0;
 
  virtual void setTwoTheta(double twoTheta) = 0;
 
  virtual double calculateDim0(double wavelength) const = 0;
 
  virtual double calculateDim1(double wavelength) const = 0;
 
  virtual Mantid::Geometry::Quadrilateral createQuad(double lamLower, double lamUpper, double thetaLower,
                                                     double thetaUpper) = 0;
};
} // namespace DataObjects
} // namespace Mantid