/* $Id: vector.h,v 1.3 1996/11/06 11:37:50 roitzsch Exp $ */

#ifndef VECTOR_TEMPLATE_H
#define VECTOR_TEMPLATE_H


#define CheckBoundsFlag  0


#define FORALL(x,i)          for (i=(x).l; i<=(x).h; ++i) 
#define FORALL_DOWNWARD(x,i) for (i=(x).h; i>=(x).l; --i) 

//-------------------------------------------------------------------------

#include <iostream>
#include <stdlib.h>

//----------------------------------------------------------------------------

template<class T>

class Vector
{
  public:

    T*  v;
    int l, h;

    Vector(int l1, int h1)  { allocate(l1, h1); }
    Vector(int h1) 	    { allocate( 1, h1); }
    Vector()		    { allocate( 1,  1); }
    virtual ~Vector();

    int low()  const { return l; }
    int high() const { return h; }

    virtual T Top()  const { return v[h]; }

    int memSpace() const;
    int size()     const;
    virtual void resize(int newh);
    virtual void resize(int newl, int newh);
    void extendAndCopy (int newh);

    T& operator[] (int i) 
    { 
	if (CheckBoundsFlag) checkBounds(i);
	return v[i]; 
    }

    const T& operator[] (int i) const
    { 
	if (CheckBoundsFlag) checkBounds(i);
	return v[i]; 
    }

    // friend ostream& operator<< (ostream& s, const Vector<T>& vec);

    void print() const;

  protected:

    void allocate(int l1, int h1);
    void checkBounds(int i) const;

    void notImplemented(const char* s) const;

  private:

    Vector(Vector<T>& vec); 				// disallowed!
    Vector<T>& operator= (Vector<T>& vec); 		// disallowed!
    Vector<T>& operator= (T a);		 		// disallowed!
};
//-------------------------------------------------------------------------

#if INCLUDE_TEMPLATE_DEFS
#include "vector.c"
#endif

#endif