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SassenaFFT.h
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SassenaFFT.h
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#ifndef MANTID_ALGORITHM_SASSENAFFT_H_
#define MANTID_ALGORITHM_SASSENAFFT_H_
//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include "MantidAPI/Algorithm.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
Copyright © 2010 ISIS Rutherford Appleton Laboratory, NScD Oak Ridge
National Laboratory & European Spallation Source
This file is part of Mantid.
Mantid is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
Mantid is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class DLLExport 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; }
/// 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 Algorithm
} // namespace Mantid
#endif // MANTID_ALGORITHM_SASSENAFFT_H_