interestratevolsurface.cpp

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/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
 
/*
 Copyright (C) 2007 Ferdinando Ametrano
 
 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.
*/
 
#include <ql/experimental/volatility/interestratevolsurface.hpp>
#include <utility>
 
namespace QuantLib {
 
    InterestRateVolSurface::InterestRateVolSurface(ext::shared_ptr<InterestRateIndex> index,
                                                   BusinessDayConvention bdc,
                                                   const DayCounter& dc)
    : BlackVolSurface(bdc, dc), index_(std::move(index)) {}
 
    InterestRateVolSurface::InterestRateVolSurface(ext::shared_ptr<InterestRateIndex> index,
                                                   const Date& refDate,
                                                   const Calendar& cal,
                                                   BusinessDayConvention bdc,
                                                   const DayCounter& dc)
    : BlackVolSurface(refDate, cal, bdc, dc), index_(std::move(index)) {}
 
    InterestRateVolSurface::InterestRateVolSurface(ext::shared_ptr<InterestRateIndex> index,
                                                   Natural settlDays,
                                                   const Calendar& cal,
                                                   BusinessDayConvention bdc,
                                                   const DayCounter& dc)
    : BlackVolSurface(settlDays, cal, bdc, dc), index_(std::move(index)) {}
 
    Date InterestRateVolSurface::optionDateFromTenor(const Period& p) const {
        ext::shared_ptr<InterestRateIndex> i = index();
        // optionlet style
        Date refDate = i->fixingCalendar().adjust(referenceDate(), Following);
        Date settlement = i->valueDate(refDate);
        Date start = settlement+p;
        return i->fixingDate(start);
    }
 
    void InterestRateVolSurface::accept(AcyclicVisitor& v) {
        auto* v1 = dynamic_cast<Visitor<InterestRateVolSurface>*>(&v);
        if (v1 != nullptr)
            v1->visit(*this);
        else
            BlackVolSurface::accept(v);
    }
 
}