Thyra_PreconditionerBase.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_PRECONDITIONER_BASE_HPP
00030 #define THYRA_PRECONDITIONER_BASE_HPP
00031 
00032 #include "Thyra_SolveSupportTypes.hpp"
00033 #include "Teuchos_Describable.hpp"
00034 
00035 namespace Thyra {
00036 
00071 template <class RangeScalar, class DomainScalar = RangeScalar>
00072 class PreconditionerBase : virtual public Teuchos::Describable
00073 {
00074 public:
00075 
00078 
00082   virtual bool isLeftPrecOpConst() const = 0;
00083 
00091   virtual Teuchos::RefCountPtr<LinearOpBase<DomainScalar,RangeScalar> > getNonconstLeftPrecOp() = 0;
00092 
00096   virtual Teuchos::RefCountPtr<const LinearOpBase<DomainScalar,RangeScalar> > getLeftPrecOp()const = 0;
00097 
00101   virtual bool isRightPrecOpConst() const = 0;
00102 
00110   virtual Teuchos::RefCountPtr<LinearOpBase<DomainScalar,RangeScalar> > getNonconstRightPrecOp() = 0;
00111 
00115   virtual Teuchos::RefCountPtr<const LinearOpBase<DomainScalar,RangeScalar> > getRightPrecOp() const = 0;
00116 
00120   virtual bool isUnspecifiedPrecOpConst() const = 0;
00121 
00125   virtual Teuchos::RefCountPtr<LinearOpBase<DomainScalar,RangeScalar> > getNonconstUnspecifiedPrecOp() = 0;
00126 
00134   virtual Teuchos::RefCountPtr<const LinearOpBase<DomainScalar,RangeScalar> > getUnspecifiedPrecOp() const = 0;
00135   
00137 
00138 };
00139 
00140 } // namespace Thyra
00141 
00142 #endif // THYRA_PRECONDITIONER_BASE_HPP

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