// LONG.H - dynamically allocated array class

#ifndef LONG_H
#define LONG_H

#include <assert.h>

class LongArray {
public:
  LongArray( unsigned sz = 0, long defval = 0 );
  // Construct an array of size sz, initialize all
  // elements with defval.

  LongArray( const LongArray & L );
  // Copy constructor.

  ~LongArray();
  // Destructor.

  unsigned GetSize() const;
  // Return the current allocation size.

  void GrowBy( unsigned n );
  // Increase the allocation size by n elements.

  void Init( long defval = 0 );
  // Initialize all elements to defval.

  long Get( unsigned i ) const;
  // Retrieve element at index position i.

  void Put( unsigned i, long elt );
  // Insert element at index position i.

private:
  long * data;   // ptr to array containing elements
  unsigned size; // current allocation size
  long initv;    // initial value
};



#endif