Thyra_ListedMultiVectorRandomizer.hpp

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00001 // ***********************************************************************
00002 // 
00003 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00004 //                 Copyright (2004) Sandia Corporation
00005 // 
00006 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00007 // license for use of this work by or on behalf of the U.S. Government.
00008 // 
00009 // This library is free software; you can redistribute it and/or modify
00010 // it under the terms of the GNU Lesser General Public License as
00011 // published by the Free Software Foundation; either version 2.1 of the
00012 // License, or (at your option) any later version.
00013 //  
00014 // This library is distributed in the hope that it will be useful, but
00015 // WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 //  
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00022 // USA
00023 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00024 // 
00025 // ***********************************************************************
00026 // @HEADER
00027 
00028 #ifndef THYRA_LISTED_MULTI_VECTOR_RANDOMIZER_HPP
00029 #define THYRA_LISTED_MULTI_VECTOR_RANDOMIZER_HPP
00030 
00031 #include "Thyra_MultiVectorRandomizerBase.hpp"
00032 #include "Thyra_MultiVectorStdOps.hpp"
00033 
00034 namespace Thyra {
00035 
00045 template<class Scalar>
00046 class ListedMultiVectorRandomizer : public MultiVectorRandomizerBase<Scalar> {
00047 public:
00048 
00050   ListedMultiVectorRandomizer(
00051     const Teuchos::RCP<const MultiVectorBase<Scalar> >    multiVecs[]
00052     ,const int                                                    numMultiVecs
00053     );
00054 
00056   void initialize(
00057     const Teuchos::RCP<const MultiVectorBase<Scalar> >    multiVecs[]
00058     ,const int                                                    numMultiVecs
00059     );
00060 
00063 
00065   bool isCompatible( const VectorSpaceBase<Scalar> &space ) const;
00067   void randomize( MultiVectorBase<Scalar> *mv );
00068 
00070 
00071 private:
00072 
00073   typedef std::vector<Teuchos::RCP<const MultiVectorBase<Scalar> > > multiVecs_t;
00074   
00075   multiVecs_t  multiVecs_;
00076 
00077   int          curr_mv_i_;
00078   
00079 };
00080 
00081 // //////////////////////////////
00082 // Definitions
00083 
00084 template<class Scalar>
00085 ListedMultiVectorRandomizer<Scalar>::ListedMultiVectorRandomizer(
00086   const Teuchos::RCP<const MultiVectorBase<Scalar> >    multiVecs[]
00087   ,const int                                                    numMultiVecs
00088   )
00089 {
00090   initialize(multiVecs,numMultiVecs);
00091 }
00092 
00093 template<class Scalar>
00094 void ListedMultiVectorRandomizer<Scalar>::initialize(
00095   const Teuchos::RCP<const MultiVectorBase<Scalar> >    multiVecs[]
00096   ,const int                                                    numMultiVecs
00097   )
00098 {
00099   multiVecs_.resize(numMultiVecs);
00100   std::copy( multiVecs, multiVecs + numMultiVecs, multiVecs_.begin() );
00101   curr_mv_i_ = 0;
00102 }
00103 
00104 // Overridden from MultiVectorRandomizerBase
00105 
00106 template<class Scalar>
00107 bool ListedMultiVectorRandomizer<Scalar>::isCompatible( const VectorSpaceBase<Scalar> &space ) const
00108 {
00109   return multiVecs_[curr_mv_i_]->range()->isCompatible(space);
00110 }
00111 
00112 template<class Scalar>
00113 void ListedMultiVectorRandomizer<Scalar>::randomize( MultiVectorBase<Scalar> *mv )
00114 {
00115 #ifdef TEUCHOS_DEBUG
00116   TEST_FOR_EXCEPT( mv==NULL );
00117   TEST_FOR_EXCEPT( multiVecs_.size()==0 );
00118 #endif
00119   const Teuchos::RCP<const MultiVectorBase<Scalar> > currMV = multiVecs_[curr_mv_i_];
00120 #ifdef TEUCHOS_DEBUG
00121   THYRA_ASSERT_VEC_SPACES("ListedMultiVectorRandomizer<Scalar>::randomize(mv)", *currMV->range(), *mv->range() );
00122   THYRA_ASSERT_VEC_SPACES("ListedMultiVectorRandomizer<Scalar>::randomize(mv)", *currMV->domain(), *mv->domain() );
00123 #endif
00124   Thyra::assign( mv, *currMV );
00125   if( curr_mv_i_ == static_cast<int>(multiVecs_.size()) - 1 )
00126     curr_mv_i_ = 0;
00127   else
00128     ++curr_mv_i_;
00129 }
00130 
00131 } // namespace Thyra
00132 
00133 #endif // THYRA_LISTED_MULTI_VECTOR_RANDOMIZER_HPP

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