#include "CircleWithConstantMemberFunctions.h"

int Circle::numberOfObjects = 0;

// Construct a circle object
Circle::Circle()
{
  radius = 1;
  numberOfObjects++;
}

// Construct a circle object
Circle::Circle(double newRadius)
{
  radius = newRadius;
  numberOfObjects++;
}

// Return the area of this circle
double Circle::getArea() const
{
  return radius * radius * 3.14159;
}

// Return the radius of this circle
double Circle::getRadius() const
{
  return radius;
}

// Set a new radius
void Circle::setRadius(double newRadius)
{
  radius = (newRadius >= 0) ? newRadius : 0;
}

// Return the number of circle objects
int Circle::getNumberOfObjects()
{
  return numberOfObjects;
}