//**********************
//**    ch11_6.cpp    **
//**********************
#include <iostream.h>
#include <math.h>
#include "point.h"

void main()
{
  Point p;
  double x,y;
  for(;;){          //重復(fù)輸入x和y軸分量，直到x分量值小于0
    cout <<"Enter x and y:\n";
    cin >>x >>y;
    if(x<0)
      break;
    p.Set(x,y);
    cout <<"angle=" <<p.angle()
      <<",radius=" <<p.radius()
      <<",x offset=" <<p.xOffset()
      <<",y offset=" <<p.yOffset() <<endl;
  }
}