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AbstractLinAlgPack_InnerProductThyra.cpp
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00041 
00042 #include <assert.h>
00043 
00044 #include <stdexcept>
00045 
00046 #include "AbstractLinAlgPack_InnerProductThyra.hpp"
00047 #include "AbstractLinAlgPack_VectorMutableThyra.hpp"
00048 #include "Teuchos_Assert.hpp"
00049 #include "Teuchos_dyn_cast.hpp"
00050 
00051 namespace AbstractLinAlgPack {
00052 
00053 // Constructors / Initializers
00054 
00055 InnerProductThyra::InnerProductThyra()
00056 {}
00057 
00058 InnerProductThyra::InnerProductThyra(
00059   const Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
00060   )
00061 {
00062   this->initialize(thyra_vec_spc);
00063 }
00064 
00065 void InnerProductThyra::initialize(
00066   const Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> >& thyra_vec_spc
00067   )
00068 {
00069   TEUCHOS_TEST_FOR_EXCEPTION(
00070     thyra_vec_spc.get()==NULL, std::invalid_argument
00071     ,"InnerProductThyra::initialize(thyra_vec_spc): Error!"
00072     );
00073   thyra_vec_spc_ = thyra_vec_spc;
00074 }
00075 
00076 Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> > 
00077 InnerProductThyra::set_uninitialized()
00078 {
00079   Teuchos::RCP<const Thyra::VectorSpaceBase<value_type> > tmp_thyra_vec_spc = thyra_vec_spc_;
00080   thyra_vec_spc_ = Teuchos::null;
00081   return tmp_thyra_vec_spc;
00082 }
00083 
00084 // Overridden from InnerProduct
00085 
00086 value_type InnerProductThyra::inner_prod(const Vector& v1, const Vector& v2) const
00087 {
00088   using Teuchos::dyn_cast;
00089   return thyra_vec_spc_->scalarProd(
00090     *dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
00091     ,*dyn_cast<const VectorMutableThyra>(v1).thyra_vec()
00092     );
00093 }
00094 
00095 } // end namespace AbstractLinAlgPack
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