modelimpliedyieldtermstructure.cpp

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/*
 Copyright (C) 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.
*/
 
#include <qle/models/modelimpliedyieldtermstructure.hpp>
 
namespace QuantExt {
 
ModelImpliedYieldTermStructure::ModelImpliedYieldTermStructure(const QuantLib::ext::shared_ptr<IrModel>& model,
                                                               const DayCounter& dc, const bool purelyTimeBased)
    : YieldTermStructure(dc == DayCounter() ? model->termStructure()->dayCounter() : dc), model_(model),
      purelyTimeBased_(purelyTimeBased),
      referenceDate_(purelyTimeBased ? Null<Date>() : model_->termStructure()->referenceDate()),
      state_(Array(model->n(), 0.0)) {
    registerWith(model_);
    update();
}
 
ModelImpliedYtsFwdFwdCorrected::ModelImpliedYtsFwdFwdCorrected(const QuantLib::ext::shared_ptr<IrModel>& model,
                                                               const Handle<YieldTermStructure> targetCurve,
                                                               const DayCounter& dc, const bool purelyTimeBased)
    : ModelImpliedYieldTermStructure(model, dc, purelyTimeBased), targetCurve_(targetCurve) {
    registerWith(targetCurve_);
}
 
ModelImpliedYtsSpotCorrected::ModelImpliedYtsSpotCorrected(const QuantLib::ext::shared_ptr<IrModel>& model,
                                                           const Handle<YieldTermStructure> targetCurve,
                                                           const DayCounter& dc, const bool purelyTimeBased)
    : ModelImpliedYieldTermStructure(model, dc, purelyTimeBased), targetCurve_(targetCurve) {
    registerWith(targetCurve_);
}
 
} // namespace QuantExt