SpecialFunctionSupport.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2007 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 "MantidCurveFitting/DllConfig.h"
#include <cmath>
#include <complex>
#include <functional>
#include <vector>
 
namespace Mantid {
namespace CurveFitting {
/*
    Special functions used as part of peak shape functions that are not
    included in the Gnu Scientific Lib or other C/C++ open source code projects
 
    @author Anders J Markvardsen, Rutherford Appleton Laboratory
    @date 30/09/2009
 */
namespace SpecialFunctionSupport {
std::complex<double> MANTID_CURVEFITTING_DLL exponentialIntegral(const std::complex<double> &z);
 
} // namespace SpecialFunctionSupport
} // namespace CurveFitting
} // namespace Mantid