AbstractLinAlgPack_MatrixWithOpConcreteEncap.hpp

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00004 // Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
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00028 
00029 #ifndef MATRIX_WITH_OP_CONCRETE_ENCAP_H
00030 #define MATRIX_WITH_OP_CONCRETE_ENCAP_H
00031 
00032 #include "AbstractLinAlgPack_MatrixOp.hpp"
00033 
00034 namespace AbstractLinAlgPack {
00035 
00041 template<class M>
00042 class MatrixWithOpConcreteEncap : public virtual MatrixOp
00043 {
00044 public:
00045 
00046   // /////////////////////////////////////////////////////
00049 
00051   MatrixWithOpConcreteEncap()
00052   {}
00053 
00055   MatrixWithOpConcreteEncap(const M& m) : m_(m)
00056   {}
00057 
00059   M& m() {
00060     return m_;
00061   }
00062 
00064   const M& m() const {
00065     return m_;
00066   }
00067 
00069 
00070   // /////////////////////////////////////////////////////
00071   // Overridden from Matrix
00072 
00074   size_type rows() const;
00075 
00077   size_type cols() const;
00078 
00079   // /////////////////////////////////////////////////////
00080   // Overridden from MatrixOp
00081 
00083   MatrixOp& operator=(const MatrixOp& m);
00084 
00085 private:
00086   M m_;
00087 
00088 };  // end class MatrixWithOpConcreteEncap<M>
00089 
00090 // Template definitions
00091 
00092 template<class M>
00093 size_type MatrixWithOpConcreteEncap<M>::rows() const {
00094   return m().rows();
00095 }
00096 
00097 template<class M>
00098 size_type MatrixWithOpConcreteEncap<M>::cols() const {
00099   return m().cols();
00100 }
00101 
00102 template<class M>
00103 MatrixOp& MatrixWithOpConcreteEncap<M>::operator=(const MatrixOp& m) {
00104   if(&m == this) return *this;  // assignment to self
00105   const MatrixWithOpConcreteEncap<M> *p_m = dynamic_cast<const MatrixWithOpConcreteEncap<M>*>(&m);
00106   if(p_m) {
00107     m_ = p_m->m_;
00108   }
00109   else {
00110     throw std::invalid_argument("MatrixWithOpConcreteEncap<M>::operator=(const MatrixOp& m)"
00111       " : The concrete type of m is not a subclass of MatrixWithOpConcreteEncap<M> as expected" );
00112   }
00113   return *this;
00114 }
00115 
00116 } // end namespace AbstractLinAlgPack 
00117 
00118 #endif  // MATRIX_WITH_OP_CONCRETE_ENCAP_H

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