matrix_sig.h

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// KG, 99/08/05
// $Id: matrix_sig.h,v 1.7.2.9 2019/05/28 11:13:02 garloff Exp $

#ifndef TBCI_MATRIX_SIG_H
#define TBCI_MATRIX_SIG_H

#include "tbci/basics.h"
#include "tbci/vector_sig.h"

#ifdef PRAGMA_I
# pragma interface "matrix_sig.h"
#endif

NAMESPACE_TBCI

template <typename T> class TVector;
template <typename T> class Vector;

template <typename T>
class Matrix_Sig
{
 public:
        // de/constructor
        Matrix_Sig () {}
        /*virtual*/ ~Matrix_Sig () {}

        typename tbci_traits<T>::const_refval_type
          operator () (const unsigned, const unsigned) const;
        T& operator () (const unsigned, const unsigned);
        Matrix_Sig<T>& fill (const T&);
        Matrix_Sig<T>& setunit (const T& = (T)1);
        Matrix_Sig<T>& clear ();
        //{ return this->fill ((T)0); }

        // mat-vec multiply
        TVector<T> operator * (const Vector_Sig<T>&) const;
        TVector<T> transMult  (const Vector_Sig<T>&) const;
        // size info
        unsigned int  rows    () const;
        unsigned int  columns () const;
        //unsigned long size    () const;
        
        // virtual abstract function to allow compiler to do checks
        /* virtual */ static const char* mat_info();
};

NAMESPACE_END

#endif /* TBCI_MATRIX_SIG_H */