Thyra_ProductVectorSpaceBase.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_SPACE_BASE_HPP
00030 #define THYRA_PRODUCT_VECTOR_SPACE_BASE_HPP
00031 
00032 
00033 #include "Thyra_VectorSpaceBase.hpp"
00034 #include "Teuchos_ExpandScalarTypeMacros.hpp"
00035 
00036 
00037 namespace Thyra {
00038 
00039 
00081 template<class Scalar>
00082 class ProductVectorSpaceBase : virtual public VectorSpaceBase<Scalar> {
00083 public:
00084 
00091   virtual int numBlocks() const = 0;
00092 
00099   virtual Teuchos::RCP<const VectorSpaceBase<Scalar> > getBlock(const int k) const = 0; 
00100 
00101 #ifdef DOXYGEN_COMPILE
00102 private:
00103   const VectorSpaceBase<Scalar> *spaces;
00104 #endif
00105 
00106 };
00107 
00108 
00114 template<class Scalar>
00115 inline
00116 RCP<ProductVectorSpaceBase<Scalar> >
00117 nonconstProductVectorSpaceBase(
00118   const RCP<VectorSpaceBase<Scalar> > &v,
00119   const bool forceSuccess = true
00120   )
00121 {
00122   return Teuchos::rcp_dynamic_cast<ProductVectorSpaceBase<Scalar> >(
00123     v, forceSuccess);
00124 }
00125 
00126 
00132 template<class Scalar>
00133 inline
00134 RCP<const ProductVectorSpaceBase<Scalar> >
00135 productVectorSpaceBase(
00136   const RCP<const VectorSpaceBase<Scalar> > &v,
00137   const bool forceSuccess = true
00138   )
00139 {
00140   return Teuchos::rcp_dynamic_cast<const ProductVectorSpaceBase<Scalar> >(
00141     v, forceSuccess);
00142 }
00143 
00144 
00150 inline
00151 RCP<ProductVectorSpaceBase<double> >
00152 nonconstProductVectorSpaceBase(
00153   const RCP<VectorSpaceBase<double> > &vs,
00154   const bool forceSuccess = true
00155   )
00156 {
00157   return nonconstProductVectorSpaceBase<double>(vs, forceSuccess);
00158 }
00159 
00160 
00165 inline
00166 RCP<const ProductVectorSpaceBase<double> >
00167 productVectorSpaceBase(
00168   const RCP<const VectorSpaceBase<double> > &vs,
00169   const bool forceSuccess = true
00170   )
00171 {
00172   return productVectorSpaceBase<double>(vs, forceSuccess);
00173 }
00174 
00175 
00176 } // namespace Thyra
00177 
00178 #endif // THYRA_PRODUCT_VECTOR_SPACE_BASE_HPP

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