/* Lawrenceville Press CircleClass type IMPLEMENTATION */ /* October 1997 */ //----------------------------------------------------- CircleClass::CircleClass() :PI(3.14159) { } //----------------------------------------------------- void CircleClass::SetRadius(double R) { Radius=R; } //----------------------------------------------------- double CircleClass::Area() const { return (PI*Radius*Radius); } //----------------------------------------------------- double CircleClass::Circumference() const { return (2*PI*Radius); }