Thyra_SingleScalarLinearOpBaseDecl.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_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP
00030 #define THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP
00031 
00032 #include "Thyra_LinearOpDefaultBaseDecl.hpp"
00033 
00034 namespace Thyra {
00035 
00046 template<class Scalar>
00047 class SingleScalarLinearOpBase : virtual public LinearOpDefaultBase<Scalar> {
00048 public:
00049 
00051   using LinearOpDefaultBase<Scalar>::apply;
00052 
00055 
00057   bool applySupports( const EConj conj ) const;
00059   bool applyTransposeSupports( const EConj conj ) const;
00061   void apply(
00062     const EConj                       conj
00063     ,const MultiVectorBase<Scalar>    &X
00064     ,MultiVectorBase<Scalar>          *Y
00065     ,const Scalar                     alpha
00066     ,const Scalar                     beta
00067     ) const;
00069   void applyTranspose(
00070     const EConj                       conj
00071     ,const MultiVectorBase<Scalar>    &X
00072     ,MultiVectorBase<Scalar>          *Y
00073     ,const Scalar                     alpha
00074     ,const Scalar                     beta
00075     ) const;
00076 
00078 
00079 protected:
00080 
00083 
00095   virtual bool opSupported(ETransp M_trans) const = 0;
00096 
00105   virtual void apply(
00106     const ETransp                     M_trans
00107     ,const MultiVectorBase<Scalar>    &X
00108     ,MultiVectorBase<Scalar>          *Y
00109     ,const Scalar                     alpha
00110     ,const Scalar                     beta
00111     ) const = 0;
00112 
00114 
00115 };  // end class SingleScalarLinearOpBase
00116 
00117 } // end namespace Thyra
00118 
00119 #endif  // THYRA_SINGLE_SCALAR_LINEAR_OP_BASE_DECL_HPP

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