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

 Copyright (C) 2008 Andrea Odetti

 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 pathmultiassetoption.hpp
    \brief Option on multiple assets

#ifndef quantlib_path_multiasset_option_hpp
#define quantlib_path_multiasset_option_hpp

#include <ql/instrument.hpp>
#include <ql/stochasticprocess.hpp>
#include <ql/math/matrix.hpp>
#include <ql/experimental/mcbasket/pathpayoff.hpp>

namespace QuantLib {

    //! Base class for path-dependent options on multiple assets
00035     class PathMultiAssetOption : public Instrument {
        PathMultiAssetOption(const boost::shared_ptr<PricingEngine>& engine
                                        = boost::shared_ptr<PricingEngine>());

        virtual ~PathMultiAssetOption() {}

        //! \name Instrument interface
        class arguments;
        class results;
        class engine;

        bool isExpired() const;

        void setupArguments(PricingEngine::arguments*) const;

        virtual boost::shared_ptr<PathPayoff> pathPayoff()  const = 0;
        virtual std::vector<Date>             fixingDates() const = 0;

        void setupExpired() const;


    //! %Arguments for multi-asset option calculation
00061     class PathMultiAssetOption::arguments
        : public virtual PricingEngine::arguments {
        arguments() {}
        void validate() const;

        boost::shared_ptr<PathPayoff>        payoff;
        std::vector<Date>                    fixingDates;

    //! %Results from multi-asset option calculation
00072     class PathMultiAssetOption::results : public Instrument::results {
        void reset() {

    class PathMultiAssetOption::engine
        : public GenericEngine<PathMultiAssetOption::arguments,
                               PathMultiAssetOption::results> {};



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