circle.h

来自「计算并输出下述各种算法在不同内存容量下的命中率大整数大整数大整数」· C头文件 代码 · 共 37 行

#include <iostream>
using namespace std;

#define PI 3.1415926

class Circle : public Shape
{
public:
	Circle(double _radius);
	double area();
	double girth();
	void show();
private:
	Circle();
	double radius;
};

Circle::Circle(double _radius)
{
	radius = _radius;
}

double Circle::area()
{
	return PI * radius * radius;
}

double Circle::girth()
{
	return 2 * PI * radius;
}

void Circle::show()
{
	Shape::show();
	cout<<"Type: Circle"<<endl;
}