/trunk/Examples/pike/class/example.cxx
# · C++ · 46 lines · 26 code · 11 blank · 9 comment · 0 complexity · 5a39920e87bac30ba358e7ea2cc185d7 MD5 · raw file
- /* File : example.c */
- #include "example.h"
- #include <stdio.h>
- #define M_PI 3.14159265358979323846
- // Static member initializer
- int Shape::nshapes = 0;
- // Constructor
- Shape::Shape() {
- nshapes++;
- }
- // Move the shape to a new location
- void Shape::move(double dx, double dy) {
- x += dx;
- y += dy;
- }
- // Destructor
- Shape::~Shape() {
- nshapes--;
- }
- // Circle area
- double Circle::area() const {
- return M_PI*radius*radius;
- }
- // Circle perimeter
- double Circle::perimeter() const {
- return 2*M_PI*radius;
- }
- // Square area
- double Square::area() const {
- return width*width;
- }
- // Square perimeter
- double Square::perimeter() const {
- return 4*width;
- }