Further cleaning up of class examples

Examples/pike/class/example.cxx

@@ -1,46 +1,28 @@
-/* File : example.c */
+/* File : example.cxx */
 
 #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
+/* Move the shape to a new location */
 void Shape::move(double dx, double dy) {
   x += dx;
   y += dy;
 }
 
-// Destructor
-Shape::~Shape() {
-  nshapes--;
-}
+int Shape::nshapes = 0;
 
-// Circle area
-double Circle::area() const {
+double Circle::area() {
   return M_PI*radius*radius;
 }
 
-// Circle perimeter
-double Circle::perimeter() const {
+double Circle::perimeter() {
   return 2*M_PI*radius;
 }
 
-// Square area
-double Square::area() const {
+double Square::area() {
   return width*width;
 }
 
-// Square perimeter
-double Square::perimeter() const {
+double Square::perimeter() {
   return 4*width;
 }

Examples/pike/class/example.h

@@ -2,12 +2,16 @@
 
 class Shape {
 public:
-  Shape();
-  virtual ~Shape();
-  double  x, y;   
+  Shape() {
+    nshapes++;
+  }
+  virtual ~Shape() {
+    nshapes--;
+  }
+  double  x, y;
   void    move(double dx, double dy);
-  virtual double area() const = 0;
-  virtual double perimeter() const = 0;
+  virtual double area() = 0;
+  virtual double perimeter() = 0;
   static  int nshapes;
 };
 
@@ -15,21 +19,16 @@ class Circle : public Shape {
 private:
   double radius;
 public:
-  Circle(double r) : radius(r) { };
-  virtual double area() const;
-  virtual double perimeter() const;
+  Circle(double r) : radius(r) { }
+  virtual double area();
+  virtual double perimeter();
 };
 
 class Square : public Shape {
 private:
   double width;
 public:
-  Square(double w) : width(w) { };
-  virtual double area() const;
-  virtual double perimeter() const;
+  Square(double w) : width(w) { }
+  virtual double area();
+  virtual double perimeter();
 };
-
-
-
-
-  

Examples/pike/class/example.i

@@ -7,4 +7,3 @@
 
 /* Let's just grab the original header file here */
 %include "example.h"
-