FlatBackground.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2012 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 "MantidCurveFitting/Functions/BackgroundFunction.h"
#include "MantidKernel/System.h"
 
namespace Mantid {
namespace CurveFitting {
namespace Functions {
 
class MANTID_CURVEFITTING_DLL FlatBackground : public BackgroundFunction {
public:
  std::string name() const override;
  void function1D(double *out, const double *xValues, const size_t nData) const override;
  void functionDeriv1D(API::Jacobian *out, const double *xValues, const size_t nData) override;
 
private:
  void init() override;
  void histogram1D(double *out, double left, const double *right, const size_t nBins) const override;
  void histogramDerivative1D(API::Jacobian *jacobian, double left, const double *right,
                             const size_t nBins) const override;
};
 
} // namespace Functions
} // namespace CurveFitting
} // namespace Mantid