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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

 Copyright (C) 2001, 2002, 2003 Sadruddin Rejeb

 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

 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 jamshidianswaptionengine.hpp
    \brief Swaption engine using Jamshidian's decomposition

#ifndef quantlib_pricers_jamshidian_swaption_h
#define quantlib_pricers_jamshidian_swaption_h

#include <ql/Instruments/swaption.hpp>
#include <ql/ShortRateModels/onefactormodel.hpp>
#include <ql/PricingEngines/genericmodelengine.hpp>

namespace QuantLib {

    //! Jamshidian swaption engine
    /*! \ingroup swaptionengines */
00035     class JamshidianSwaptionEngine
        : public GenericModelEngine<OneFactorAffineModel,
                                    Swaption::results > {
                         const boost::shared_ptr<OneFactorAffineModel>& model)
        : GenericModelEngine<OneFactorAffineModel,
                             Swaption::results>(model) {}
        void calculate() const;
        class rStarFinder;
        friend class rStarFinder;



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