Thyra_ProductVectorBase.hpp

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 #include "Thyra_ProductMultiVectorBase.hpp"
00033 
00034 namespace Thyra {
00035 
00070 template<class Scalar>
00071 class ProductVectorBase
00072   : virtual public VectorBase<Scalar>
00073   , virtual public ProductMultiVectorBase<Scalar>
00074 {
00075 public:
00076 
00098   virtual Teuchos::RCP<VectorBase<Scalar> >
00099   getNonconstVectorBlock(const int k) = 0; 
00100 
00112   virtual Teuchos::RCP<const VectorBase<Scalar> >
00113   getVectorBlock(const int k) const = 0; 
00114 
00115 };
00116 
00117 
00121 template<class Scalar>
00122 inline
00123 Teuchos::RCP<Thyra::ProductVectorBase<Scalar> >
00124 nonconstProductVectorBase(
00125   const Teuchos::RCP<Thyra::VectorBase<Scalar> > &v
00126   )
00127 {
00128   return Teuchos::rcp_dynamic_cast<Thyra::ProductVectorBase<Scalar> >(v,true);
00129 }
00130 
00131 
00135 template<class Scalar>
00136 inline
00137 Teuchos::RCP<const Thyra::ProductVectorBase<Scalar> >
00138 productVectorBase(
00139   const Teuchos::RCP<const Thyra::VectorBase<Scalar> > &v
00140   )
00141 {
00142   return Teuchos::rcp_dynamic_cast<const Thyra::ProductVectorBase<Scalar> >(v,true);
00143 }
00144 
00145 
00146 } // namespace Thyra
00147 
00148 #endif // THYRA_PRODUCT_VECTOR_BASE_HPP

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