gm2_dilog.hpp

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// ====================================================================
// This file is part of GM2Calc.
//
// GM2Calc 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.
//
// GM2Calc 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 GM2Calc.  If not, see
// <http://www.gnu.org/licenses/>.
// ====================================================================
 
#ifndef GM2_DILOG_HPP
#define GM2_DILOG_HPP
 
#include <complex>
 
namespace gm2calc {
 
/// real dilogarithm
double dilog(double) noexcept;
 
/// complex dilogarithm
std::complex<double> dilog(const std::complex<double>&) noexcept;
 
/// Clausen function Cl_2(x)
double clausen_2(double x) noexcept;
 
} // namespace gm2calc
 
#endif