text: /* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
  
  /*
   Copyright (C) 2013 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
   <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.
  */
  
  /*! \file modtriplebandlinearop.hpp
      \brief modifiable triple band linear operator
  */
  
  #ifndef quantlib_mod_triple_band_linear_op_hpp
  #define quantlib_mod_triple_band_linear_op_hpp
  
  #include <ql/methods/finitedifferences/meshers/fdmmesher.hpp>
  #include <ql/methods/finitedifferences/operators/triplebandlinearop.hpp>
  
  namespace QuantLib {
  
      class ModTripleBandLinearOp : public TripleBandLinearOp {
        public:
          ModTripleBandLinearOp(Size direction,
                                const ext::shared_ptr<FdmMesher>& mesher)
          : TripleBandLinearOp(direction, mesher) { }
  
          explicit ModTripleBandLinearOp(const TripleBandLinearOp& m)
          : TripleBandLinearOp(m) { }
  
          boost::shared_array<Real>& lower() { return lower_; }
          boost::shared_array<Real>& diag()  { return diag_; }
          boost::shared_array<Real>& upper() { return upper_; }
      };
  }
  
  #endif
  