AbstractLinAlgPack_InnerProductThyra.cpp

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00002 // ***********************************************************************
00003 // 
00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
00005 //                  Copyright (2003) 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 Roscoe A. Bartlett (rabartl@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #include <assert.h>
00030 
00031 #include <stdexcept>
00032 
00033 #include "AbstractLinAlgPack_InnerProductThyra.hpp"
00034 #include "AbstractLinAlgPack_VectorMutableThyra.hpp"
00035 #include "Teuchos_TestForException.hpp"
00036 #include "Teuchos_dyn_cast.hpp"
00037 
00038 namespace AbstractLinAlgPack {
00039 
00040 // Constructors / Initializers
00041 
00042 InnerProductThyra::InnerProductThyra()
00043 {}
00044 
00045 InnerProductThyra::InnerProductThyra(
00046   const Teuchos::RefCountPtr<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
00047   )
00048 {
00049   this->initialize(thyra_vec_spc);
00050 }
00051 
00052 void InnerProductThyra::initialize(
00053   const Teuchos::RefCountPtr<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
00054   )
00055 {
00056   TEST_FOR_EXCEPTION(
00057     thyra_vec_spc.get()==NULL, std::invalid_argument
00058     ,"InnerProductThyra::initialize(thyra_vec_spc): Error!"
00059     );
00060   thyra_vec_spc_ = thyra_vec_spc;
00061 }
00062 
00063 Teuchos::RefCountPtr<const Thyra::VectorSpaceBase<value_type> > 
00064 InnerProductThyra::set_uninitialized()
00065 {
00066   Teuchos::RefCountPtr<const Thyra::VectorSpaceBase<value_type> > tmp_thyra_vec_spc = thyra_vec_spc_;
00067   thyra_vec_spc_ = Teuchos::null;
00068   return tmp_thyra_vec_spc;
00069 }
00070 
00071 // Overridden from InnerProduct
00072 
00073 value_type InnerProductThyra::inner_prod(const Vector& v1, const Vector& v2) const
00074 {
00075   using Teuchos::dyn_cast;
00076   return thyra_vec_spc_->scalarProd(
00077     *dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
00078     ,*dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
00079     );
00080 }
00081 
00082 } // end namespace AbstractLinAlgPack

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