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Teko_ImplicitLinearOp.cpp
00001 /*
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00006 //      Teko: A package for block and physics based preconditioning
00007 //                  Copyright 2010 Sandia Corporation 
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00045 */
00046 
00047 #include "Teko_ImplicitLinearOp.hpp"
00048 
00049 namespace Teko {
00050 
00051 using Teuchos::rcpFromRef;
00052 using Teuchos::rcp_dynamic_cast;
00053 using Teuchos::rcp_const_cast;
00054 using Teuchos::RCP;
00055 
00056 using Thyra::MultiVectorBase;
00057 
00058 bool ImplicitLinearOp::opSupportedImpl(const Thyra::EOpTransp M_trans) const
00059 {
00060   return (M_trans == Thyra::NOTRANS);
00061 }
00062 
00063 void ImplicitLinearOp::applyImpl(const Thyra::EOpTransp M_trans, const Thyra::MultiVectorBase<double> & x,
00064                                  const Teuchos::Ptr<Thyra::MultiVectorBase<double> > & y, 
00065                                  const double alpha, const double beta) const
00066 {
00067    TEST_FOR_EXCEPTION(M_trans!=Thyra::NOTRANS,std::runtime_error,
00068                            "Linear operators of inherited type Teko::ImplicitLinearOp "
00069                            "cannot handle conjugation (yet!)");
00070 
00071    MultiVector srcX = rcp_const_cast<MultiVectorBase<double> >(rcpFromRef(x));
00072    MultiVector destY = rcp_dynamic_cast<MultiVectorBase<double> >(rcpFromRef(*y));
00073 
00074    // call apply
00075    implicitApply(srcX,destY,alpha,beta);
00076 }
00077  
00078 } // end namespace Teko
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