Category : C++ Source Code
Archive   : BLFMATH.ZIP
Filename : SHAPE.H
// shape.h: A class used for testing.
// *** Modified from book code, to take out reference
// counts. (Not needed for our tests here.) ***
// Copyright(c) 1993 Azarona Software. All rights reserved.
////////////////////////////////////////////////////////////
#ifndef H_SHAPE
#define H_SHAPE
#include
struct Shape {
static int objects_needing_destruction, verbose;
int x, y;
Shape();
Shape(const Shape &p);
Shape(int xx, int yy);
virtual ~Shape();
Shape &operator=(const Shape &p);
friend int operator==(const Shape &a, const Shape &b);
friend int operator<(const Shape &a, const Shape &b);
friend int operator>(const Shape &a, const Shape &b);
virtual ostream &Print(ostream &os) const;
virtual int Area() const { return 0; }
};
struct Circle : public Shape {
int r;
Circle();
Circle(const Circle &c);
Circle(int xx, int yy, int rr);
virtual ~Circle();
Circle &operator=(const Circle &c);
friend int operator==(const Circle &a, const Circle &b);
virtual ostream &Print(ostream &os) const;
virtual int Area() const { return 3 * r * r; }
};
ostream &operator<<(ostream &os, const Shape &p);
ostream &operator<<(ostream &os, const Circle &c);
#endif
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