frankcopula.hpp

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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 
/*
 Copyright (C) 2008 Marek Glowacki
 
 This file is part of QuantLib, a free-software/open-source library
 for financial quantitative analysts and developers - http://quantlib.org/
 
 QuantLib is free software: you can redistribute it and/or modify it
 under the terms of the QuantLib license.  You should have received a
 copy of the license along with this program; if not, please email
 <quantlib-dev@lists.sf.net>. The license is also available online at
 <http://quantlib.org/license.shtml>.
 
 This program 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 license for more details.
*/
 
/*! \file frankcopula.hpp
    \brief Frank copula
*/
 
#ifndef quantlib_math_Frank_copula_h
#define quantlib_math_Frank_copula_h
 
#include <ql/types.hpp>
#include <functional>
 
namespace QuantLib {
 
    //! Frank copula
    class FrankCopula {
      public:
        FrankCopula(Real theta);
        Real operator()(Real x, Real y) const;
      private:
        Real theta_;
    };
    
}
 
#endif