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Thyra_EpetraOperatorViewExtractorStd.cpp
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41 
42 #include "Thyra_EpetraOperatorViewExtractorStd.hpp"
43 #include "Thyra_EpetraLinearOpBase.hpp"
44 #include "Thyra_ScaledAdjointLinearOpBase.hpp"
45 
46 class Epetra_Operator;
47 
48 
49 namespace Thyra {
50 
51 
52 // Overridden from EpetraOperatorViewExtractorBase
53 
54 
56 {
57  double wrappedScalar = 0.0;
58  EOpTransp wrappedTransp = NOTRANS;
59  const LinearOpBase<double> *wrappedFwdOp = NULL;
60  ::Thyra::unwrap(fwdOp, &wrappedScalar, &wrappedTransp, &wrappedFwdOp);
61  const EpetraLinearOpBase *eFwdOp =
62  dynamic_cast<const EpetraLinearOpBase*>(wrappedFwdOp);
63  if (!eFwdOp) {
64  return false;
65  }
66  return true;
67 }
68 
69 
71  const RCP<LinearOpBase<double> > &/* fwdOp */,
72  const Ptr<RCP<Epetra_Operator> > &/* epetraOp */,
73  const Ptr<EOpTransp> &/* epetraOpTransp */,
74  const Ptr<EApplyEpetraOpAs> &/* epetraOpApplyAs */,
75  const Ptr<EAdjointEpetraOp> &/* epetraOpAdjointSupport */,
76  const Ptr<double> &/* epetraOpScalar */
77  ) const
78 {
80  // ToDo: Implement once this is needed by just copying what is below and
81  // removing the 'const' in the right places!
82 }
83 
84 
86  const RCP<const LinearOpBase<double> > &fwdOp,
87  const Ptr<RCP<const Epetra_Operator> > &epetraOp,
88  const Ptr<EOpTransp> &epetraOpTransp,
89  const Ptr<EApplyEpetraOpAs> &epetraOpApplyAs,
90  const Ptr<EAdjointEpetraOp> &epetraOpAdjointSupport,
91  const Ptr<double> &epetraOpScalar
92  ) const
93 {
94  using Teuchos::outArg;
95  double wrappedFwdOpScalar = 0.0;
96  EOpTransp wrappedFwdOpTransp = NOTRANS;
98  unwrap(fwdOp,&wrappedFwdOpScalar, &wrappedFwdOpTransp, &wrappedFwdOp);
100  Teuchos::rcp_dynamic_cast<const EpetraLinearOpBase>(wrappedFwdOp,true);
101  EOpTransp epetra_epetraOpTransp;
102  epetraFwdOp->getEpetraOpView(epetraOp, outArg(epetra_epetraOpTransp),
103  epetraOpApplyAs, epetraOpAdjointSupport);
104  *epetraOpTransp = trans_trans(real_trans(epetra_epetraOpTransp), wrappedFwdOpTransp);
105  *epetraOpScalar = wrappedFwdOpScalar;
106 }
107 
108 
109 // ToDo: Refactor unwrap(...) to not use raw pointers!
110 
111 
112 } // namespace Thyra
void getEpetraOpView(const RCP< const LinearOpBase< double > > &fwdOp, const Ptr< RCP< const Epetra_Operator > > &epetraOp, const Ptr< EOpTransp > &epetraOpTransp, const Ptr< EApplyEpetraOpAs > &epetraOpApplyAs, const Ptr< EAdjointEpetraOp > &epetraOpAdjointSupport, const Ptr< double > &epetraOpScalar) const
EOpTransp
Enumeration for determining how a linear operator is applied. `*.
void unwrap(const LinearOpBase< Scalar > &Op, Scalar *scalar, EOpTransp *transp, const LinearOpBase< Scalar > **origOp)
Extract the overallScalar, overallTransp and const origOp from a const LinearOpBase object...
bool isCompatible(const LinearOpBase< double > &fwdOp) const
Use the non-transposed operator.
Abstract base class for all LinearOpBase objects that can return an Epetra_Operator view of themselve...
EOpTransp real_trans(EOpTransp transp)
Return NOTRANS or TRANS for real scalar valued operators and this also is used for determining struct...
EOpTransp trans_trans(EOpTransp trans1, EOpTransp trans2)
Combine two transpose arguments.
void getNonconstEpetraOpView(const RCP< LinearOpBase< double > > &fwdOp, const Ptr< RCP< Epetra_Operator > > &epetraOp, const Ptr< EOpTransp > &epetraOpTransp, const Ptr< EApplyEpetraOpAs > &epetraOpApplyAs, const Ptr< EAdjointEpetraOp > &epetraOpAdjointSupport, const Ptr< double > &epetraOpScalar) const
#define TEUCHOS_TEST_FOR_EXCEPT(throw_exception_test)