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SassenaFFT.h
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SassenaFFT.h
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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2010 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/Algorithm.h"
#include "MantidAlgorithms/DllConfig.h"
#include "MantidDataObjects/Workspace2D.h"
#include "MantidKernel/PhysicalConstants.h"
namespace Mantid {
namespace Algorithms {
/** Perform Fourier Transform of the Sassena Intermediate Scattering Function
@author Jose Borreguero
@date 2012-05-29
*/
class MANTID_ALGORITHMS_DLL SassenaFFT : public API::Algorithm {
public:
/// Algorithm's name for identification overriding a virtual method
const std::string name() const override { return "SassenaFFT"; }
/// Summary of algorithms purpose
const std::string summary() const override {
return "Performs complex Fast Fourier Transform of intermediate scattering "
"function";
}
/// Algorithm's version for identification overriding a virtual method
int version() const override { return 1; }
const std::vector<std::string> seeAlso() const override {
return {"ExtractFFTSpectrum", "FFT", "FFTDerivative", "MaxEnt", "RealFFT", "FFTSmooth"};
}
/// Algorithm's category for identification overriding a virtual method
const std::string category() const override { return "Arithmetic\\FFT"; }
protected:
// Overridden Algorithm methods
bool processGroups() override;
private:
// Overridden Algorithm methods
void init() override;
void exec() override;
bool checkGroups() override;
static constexpr double m_T2ueV = 1000.0 / Mantid::PhysicalConstants::meVtoKelvin; // conversion factor from
// Kelvin to ueV
const double m_ps2meV = 4.136; // conversion factor from picosecond to mili-eV
}; // class SassenaFFT
} // namespace Algorithms
} // namespace Mantid