Thyra_ScaledAdjointLinearOpBase.hpp

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00003 // 
00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
00005 //                 Copyright (2004) Sandia Corporation
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00028 
00029 #ifndef THYRA_SCALED_ADJOINT_LINEAR_OP_BASE_HPP
00030 #define THYRA_SCALED_ADJOINT_LINEAR_OP_BASE_HPP
00031 
00032 #include "Thyra_ScaledAdjointLinearOpBaseDecl.hpp"
00033 #include "Thyra_LinearOpBase.hpp"
00034 
00035 template<class Scalar>
00036 void Thyra::unwrap(
00037   const LinearOpBase<Scalar>      &Op
00038   ,Scalar                         *scalar
00039   ,ETransp                        *transp
00040   ,const LinearOpBase<Scalar>*    *origOp
00041   )
00042 {
00043 #ifdef TEUCHOS_DEBUG
00044   TEST_FOR_EXCEPT( scalar==NULL );
00045   TEST_FOR_EXCEPT( transp==NULL );
00046   TEST_FOR_EXCEPT( origOp==NULL );
00047 #endif
00048   typedef Teuchos::ScalarTraits<Scalar>  ST;
00049   const ScaledAdjointLinearOpBase<Scalar>
00050     *saOp = dynamic_cast<const ScaledAdjointLinearOpBase<Scalar>*>(&Op);
00051   if(saOp) {
00052     *scalar = saOp->overallScalar();
00053     *transp = saOp->overallTransp();
00054     *origOp = &*saOp->getOrigOp();
00055   }
00056   else {
00057     *scalar = ST::one();
00058     *transp = NOTRANS;
00059     *origOp = &Op;
00060   }
00061 }
00062 
00063 template<class Scalar>
00064 void Thyra::unwrap(
00065   const Teuchos::RefCountPtr<const LinearOpBase<Scalar> >     &Op
00066   ,Scalar                                                     *scalar
00067   ,ETransp                                                    *transp
00068   ,Teuchos::RefCountPtr<const LinearOpBase<Scalar> >          *origOp
00069   )
00070 {
00071 #ifdef TEUCHOS_DEBUG
00072   TEST_FOR_EXCEPT( scalar==NULL );
00073   TEST_FOR_EXCEPT( transp==NULL );
00074   TEST_FOR_EXCEPT( origOp==NULL );
00075 #endif
00076   typedef Teuchos::ScalarTraits<Scalar>  ST;
00077   Teuchos::RefCountPtr<const ScaledAdjointLinearOpBase<Scalar> >
00078     saOp = Teuchos::rcp_dynamic_cast<const ScaledAdjointLinearOpBase<Scalar> >(Op);
00079   if(saOp.get()) {
00080     *scalar = saOp->overallScalar();
00081     *transp = saOp->overallTransp();
00082     *origOp = saOp->getOrigOp();
00083   }
00084   else {
00085     *scalar = ST::one();
00086     *transp = NOTRANS;
00087     *origOp = Op;
00088   }
00089 }
00090 
00091 #endif  // THYRA_SCALED_ADJOINT_LINEAR_OP_BASE_HPP

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