Tnorm.h

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#ifndef         TNORM_H_
# define        TNORM_H_

#include <iostream>
#include "Symbol.h"

namespace IRIS {

  using namespace std;

  namespace Fuzzy {

    class Tnorm : public Symbol
    {
      public :
    
    //  CONSTRUCTORS  /////////////////////////////////////////////////////
    
        Tnorm( string name , double (*f)(double, double) );
        Tnorm( const Tnorm& And );
    
    //  DESTRUCTORS  //////////////////////////////////////////////////////
    
        virtual ~Tnorm( );
    
    //  SET MEMBER FUNCTIONS (MUTATORS)  //////////////////////////////////
    
        Tnorm& operator=( const Tnorm& And );

    //  GET MEMBER FUNCTIONS (ACCESSORS)  /////////////////////////////////

        //        /// returns a copy/clone of this object
        //        Symbol* clone() const ;
        double eval( double a , double b )
            { return (*_function)(a,b); };
        double operator()( double a , double b )
            { return (*_function)(a,b); };

    //  (OTHER) OVERLOADED OPERATORS  /////////////////////////////////////

        friend ostream& operator<<( ostream& outs , const Tnorm& And ) ;
    
      protected :
    
        double (*_function)( double , double );  // associated triangular norm
    
    //  UTILITIES  ////////////////////////////////////////////////////////
    
        void _copy ( const Tnorm& And ) ;
        void _destroy( ) ;
      
    }; // end of Tnorm class

  } // end of Fuzzy namespace

} // end of IRIS namespace
    
#endif      /* !TNORM_H_ */

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