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Thyra_ScaledLinearOpBase.hpp
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00004 //    Thyra: Interfaces and Support for Abstract Numerical Algorithms
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00041 
00042 #ifndef THYRA_SCALED_LINEAR_OP_BASE_HPP
00043 #define THYRA_SCALED_LINEAR_OP_BASE_HPP
00044 
00045 #include "Thyra_LinearOpBase.hpp"
00046 
00047 
00048 namespace Thyra {
00049 
00050 
00081 template<class Scalar>
00082 class ScaledLinearOpBase : virtual public LinearOpBase<Scalar> {
00083 public:
00084 
00087 
00090   bool supportsScaleLeft() const
00091     { return supportsScaleLeftImpl(); }
00092 
00095   bool supportsScaleRight() const
00096     { return supportsScaleRightImpl(); }
00097 
00102   void scaleLeft(const VectorBase<Scalar> &row_scaling)
00103     { scaleLeftImpl(row_scaling); }
00104 
00109   void scaleRight(const VectorBase<Scalar> &col_scaling)
00110     { scaleRightImpl(col_scaling); }
00111 
00113 
00114 protected:
00115 
00118 
00120   virtual bool supportsScaleLeftImpl() const = 0;
00121 
00123   virtual bool supportsScaleRightImpl() const = 0;
00124 
00126   virtual void scaleLeftImpl(const VectorBase<Scalar> &row_scaling) = 0;
00127 
00129   virtual void scaleRightImpl(const VectorBase<Scalar> &col_scaling) = 0;
00130 
00132 
00133 };
00134 
00135 
00136 } // end namespace Thyra
00137 
00138 
00139 #endif  // THYRA_SCALED_LINEAR_OP_BASE_HPP
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