cpibacheliercapfloorengine.hpp

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/*
 Copyright (C) 2016, 2022 Quaternion Risk Management Ltd
 All rights reserved.
 
 This file is part of ORE, a free-software/open-source library
 for transparent pricing and risk analysis - http://opensourcerisk.org
 
 ORE is free software: you can redistribute it and/or modify it
 under the terms of the Modified BSD License.  You should have received a
 copy of the license along with this program.
 The license is also available online at <http://opensourcerisk.org>
 
 This program is distributed on the basis that it will form a useful
 contribution to risk analytics and model standardisation, but WITHOUT
 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 FITNESS FOR A PARTICULAR PURPOSE. See the license for more details.
*/
 
/*! \file qle/pricingengines/cpibacheliercapfloorengine.hpp
    \brief CPI cap/floor engine using the Bachelier pricing formula and interpreting the volatility data as normal vols
    \ingroup engines
*/
 
#ifndef quantext_cpi_bachelier_capfloor_engine_hpp
#define quantext_cpi_bachelier_capfloor_engine_hpp
 
#include <qle/pricingengines/cpiblackcapfloorengine.hpp>
 
namespace QuantExt {
 
class CPIBachelierCapFloorEngine : public CPICapFloorEngine {
public:
    CPIBachelierCapFloorEngine(const QuantLib::Handle<QuantLib::YieldTermStructure>& discountCurve,
                           const QuantLib::Handle<QuantLib::CPIVolatilitySurface>& surface,
                           const bool ttmFromLastAvailableFixing = false)
        : CPICapFloorEngine(discountCurve, surface, ttmFromLastAvailableFixing){};
    virtual ~CPIBachelierCapFloorEngine() = default;
 
protected:
    virtual double optionPriceImpl(QuantLib::Option::Type type, double forward, double strike, double stdDev,
                                   double discount) const override;
};
 
} // namespace QuantExt
 
#endif