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

 Copyright (C) 2008 Andreas Gaida
 Copyright (C) 2008 Ralph Schreyer
 Copyright (C) 2008 Klaus Spanderen

 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 uniformgridmesher.hpp
    \brief uniform grid mesher

#ifndef quantlib_uniform_grid_mesher_hpp
#define quantlib_uniform_grid_mesher_hpp

#include <ql/experimental/finitedifferences/fdmmesher.hpp>
#include <ql/experimental/finitedifferences/fdmlinearopiterator.hpp>

namespace QuantLib {

    class UniformGridMesher : public FdmMesher {
            const boost::shared_ptr<FdmLinearOpLayout> & index,
            const std::vector<std::pair<Real, Real> > & boundaries);

        Real dplus(const FdmLinearOpIterator&, Size direction) const {
            return dx_[direction];
        Real dminus(const FdmLinearOpIterator&, Size direction) const {
            return dx_[direction];

        Real location(const FdmLinearOpIterator& iter,
                      Size direction) const {
            return locations_[direction][iter.coordinates()[direction]];

        Disposable<Array> locations(Size direction) const;

        boost::scoped_array<Real> dx_;
        std::vector<std::vector<Real> > locations_;


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