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+/*
+ * GenericMatrix.hxx
+ *
+ *  Created on: 13 April. 2013
+ *      Authors: CDMATH
+ */
+
+#ifndef GENERICMATRIX_HXX_
+#define GENERICMATRIX_HXX_
+
+
+/**
+ * Cell class is defined by
+ * - number of rows
+ * - number of columns
+ */
+
+#include <iostream>
+
+#include "DoubleTab.hxx"
+
+class GenericMatrix
+{
+    public: //----------------------------------------------------------------
+    /**
+     * default constructor
+     */
+	GenericMatrix ( void ) ;
+
+    /**
+     * destructor
+     */
+    virtual ~GenericMatrix ( void ) ;
+
+    /**
+     * return number of rows in this matrix
+     * @return _numberOfRows
+     */
+    int getNumberOfRows ( void ) const ;
+
+    /**
+     * return number of columns in this matrix
+     * @return _numberOfColumns
+     */
+    int getNumberOfColumns ( void ) const ;
+
+    const DoubleTab& getValues( void ) const ;
+
+	DoubleTab getValues( void ) ;
+
+	void setValues(const DoubleTab& values) ;
+
+    virtual double operator ()( int i, int j ) const = 0;
+
+    bool isSymmetric() const ;
+
+    bool isSquare() const ;
+
+    bool isSparseMatrix( void ) const ;
+
+    int coefficient(int index) const ;
+
+    void view() const ;
+
+    protected: //----------------------------------------------------------------
+
+    /*
+     * The number of rows.
+     */
+    int _numberOfRows ;
+
+    /*
+     * The number of columns.
+     */
+    int _numberOfColumns ;
+
+    bool _isSparseMatrix ;
+
+    DoubleTab _values ;
+};
+
+#endif /* GENERICMATRIX_HXX_ */