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

 Copyright (C) 2006 Mark Joshi

 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.

#include <ql/MarketModels/ExerciseStrategies/swapratetrigger.hpp>

namespace QuantLib {

    SwapRateTrigger::SwapRateTrigger(const std::vector<Time>& rateTimes,
                                     const std::vector<Rate>& swapTriggers,
                                     const std::vector<Time>& exerciseTimes)
    : rateTimes_(rateTimes), swapTriggers_(swapTriggers),
      exerciseTimes_(exerciseTimes), rateIndex_(exerciseTimes.size()) {

                   "swapTriggers/exerciseTimes mismatch");
        Size j = 0;
        for (Size i=0; i<exerciseTimes.size(); ++i) {
            while (j < rateTimes.size() && rateTimes[j] < exerciseTimes[i])
            rateIndex_[i] = j;

    std::vector<Time> SwapRateTrigger::exerciseTimes() const {
        return exerciseTimes_;

    std::vector<Time> SwapRateTrigger::relevantTimes() const {
        return exerciseTimes_;

    void SwapRateTrigger::reset() {

    bool SwapRateTrigger::exercise(const CurveState& currentState) const {
        Size rateIndex = rateIndex_[currentIndex_-1];
        Rate currentSwapRate =
        return swapTriggers_[currentIndex_-1]<currentSwapRate;

    void SwapRateTrigger::nextStep(const CurveState&) {

    std::auto_ptr<ExerciseStrategy<CurveState> >
    SwapRateTrigger::clone() const {
        return std::auto_ptr<ExerciseStrategy<CurveState> >(
                                                  new SwapRateTrigger(*this));


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