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Thyra_ProductVectorBase.hpp
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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #ifndef THYRA_PRODUCT_VECTOR_BASE_HPP
00030 #define THYRA_PRODUCT_VECTOR_BASE_HPP
00031 
00032 
00033 #include "Thyra_ProductMultiVectorBase.hpp"
00034 
00035 
00036 namespace Thyra {
00037 
00038 
00073 template<class Scalar>
00074 class ProductVectorBase
00075   : virtual public VectorBase<Scalar>
00076   , virtual public ProductMultiVectorBase<Scalar>
00077 {
00078 public:
00079 
00101   virtual RCP<VectorBase<Scalar> >
00102   getNonconstVectorBlock(const int k) = 0; 
00103 
00115   virtual RCP<const VectorBase<Scalar> >
00116   getVectorBlock(const int k) const = 0; 
00117 
00118 private:
00119   
00120   // Not defined and not to be called
00121   ProductVectorBase<Scalar>&
00122   operator=(const ProductVectorBase<Scalar>&);
00123 
00124 };
00125 
00126 
00132 template<class Scalar>
00133 inline
00134 RCP<Thyra::ProductVectorBase<Scalar> >
00135 nonconstProductVectorBase(
00136   const RCP<Thyra::VectorBase<Scalar> > &v
00137   )
00138 {
00139   return Teuchos::rcp_dynamic_cast<Thyra::ProductVectorBase<Scalar> >(v, true);
00140 }
00141 
00142 
00148 template<class Scalar>
00149 inline
00150 RCP<const Thyra::ProductVectorBase<Scalar> >
00151 productVectorBase(
00152   const RCP<const Thyra::VectorBase<Scalar> > &v
00153   )
00154 {
00155   return Teuchos::rcp_dynamic_cast<const Thyra::ProductVectorBase<Scalar> >(v, true);
00156 }
00157 
00158 
00159 } // namespace Thyra
00160 
00161 #endif // THYRA_PRODUCT_VECTOR_BASE_HPP
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