Tenth to tenth Week Project 1-point-circle-cylinder Group Design (3)

#include <iostream> #include <cmath> using namespace std;      #define PI 3.1415926 class Point {public:void setpoint (float i,float j);      Float GetX () {return x;}      Float GetY () {return y;}  Float Dr (Point &p1,point &p2);      Private:float x;  Float y;  };      void Point::setpoint (float i,float j) {x=i;  Y=j;      } float point::d R (Point &p1,point &p2) {float dr=0,dx=0,dy=0;      dx=p1.x-p2.x;      DY=P1.Y-P2.Y;      DR=SQRT (Dx*dx+dy*dy);  Return Dr; } class Circle:public Point {public:circle (float x1,float y1,float x2,float y2) {midpoint.setpoint (x1,y1); AROUNDP      Oint.setpoint (x2,y2);}      float SETR ();      void Circle_area ();      Float Getr () {return r;}      Float Getarea () {return area;}  float lcircle ();      Private:float area;      float R;      Point midpoint;  Point Aroundpoint;  };      Float Circle::setr () {r=dr (midpoint,aroundpoint);  return R; } void Circle::circle_area () {r=Setr ();      Area=pi*r*r;  cout<< "The area of the bottom circle is:" <<area<<endl;      } float Circle::lcircle () {r=setr ();      float L;      L=2*pi*r;  return l; } class Cylinder:public Circle {public:cylinder (float x1,float y1,float x2,float y2,float H1): Circle (X1,Y1,X2,      y2), H (H1) {} void Cylinderarea ();  void Cylinder_volume ();  Private:float h;  };      void Cylinder::cylinderarea () {float S;      S=2*getarea () +lcircle () *h;  cout<< "The surface area of the cylinder is:" <<s<<endl;      } void Cylinder::cylinder_volume () {float V;      V=getarea () *h;  cout<< "Cylinder Volume:" <<v<<endl;      } int main () {Cylinder cy1 (0,0,3,4,1.0);      Cy1.circle_area ();      Cy1.cylinderarea ();      Cy1.cylinder_volume ();  return 0;   }

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Tenth to tenth Week Project 1-point-circle-cylinder Group Design (3)