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

 Copyright (C) 2006, 2007 Ferdinando Ametrano
 Copyright (C) 2001, 2002, 2003 Nicolas Di Césaré
 Copyright (C) 2007 François du Vignaud

 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 method.hpp
    \brief Abstract optimization method class

#ifndef quantlib_optimization_method_h
#define quantlib_optimization_method_h

#include <ql/math/optimization/endcriteria.hpp>

namespace QuantLib {

    class Problem;
    //! Abstract class for constrained optimization method
00036     class OptimizationMethod {
        virtual ~OptimizationMethod() {}

        //! minimize the optimization problem P
        virtual EndCriteria::Type minimize(Problem& P,
                                           const EndCriteria& endCriteria) = 0;



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