us_vector.h

Go to the documentation of this file.

#ifndef US_VECTOR_H
#define US_VECTOR_H

#include <QtCore>
#include "us_extern.h"

class US_UTIL_EXTERN US_Vector : public QVector< double >
{
   public:
      US_Vector      ( int, double = 0.0 );

      void   add     ( const US_Vector& );

      void   add     ( double );

      double dot     ( const US_Vector& );

      void   mult    ( const US_Vector& );

      void   scale   ( double );

      double distance( const US_Vector& );

      double L2norm( void );

      int    size( void ) const { return v.size(); };

      // Note: Trying to use [] as an lvalue gets really complicated
      // so it's not implemented here. See Stroustrup, 3rd Edition, 
      // Section 11.12

      void   assign( int i, double d ){ v[ i ] = d; };

      double operator[]( int i ) const { return v[ i ]; };

   private:
      QVector< double > v;

};
#endif