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AbstractLinAlgPack_EtaVector.hpp
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00041 
00042 #ifndef ETA_VECTOR_H
00043 #define ETA_VECTOR_H
00044 
00045 #include "AbstractLinAlgPack_SpVectorClass.hpp"
00046 
00047 namespace AbstractLinAlgPack {
00048 
00057 class EtaVector {
00058 public:
00059   
00060   typedef SpVectorSlice::element_type   ele_t;
00061 
00062 
00064   EtaVector( ele_t::index_type i, size_type n, ele_t::value_type alpha = 1.0 )
00065     : ele_(i,alpha), sv_(&ele_,1,0,n,true)
00066   {}
00067 
00069   operator const SpVectorSlice() const
00070   {
00071     return sv_;
00072   }
00073 
00075   const SpVectorSlice& operator()() const
00076   {
00077     return sv_;
00078   }
00079 
00080 private:
00081   ele_t     ele_;
00082   SpVectorSlice sv_;
00083 
00084   // not defined and not to be called
00085   EtaVector();
00086   EtaVector& operator=(const EtaVector&);
00087 
00088 };  // end class EtaVector
00089 
00090 
00091 } // namespace AbstractLinAlgPack
00092 
00093 #endif  // ETA_VECTOR_H
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