1    package ip.hak; 
2     
3     
4    public class Double4 { 
5     
6        double x,y,z,r; 
7     
8     
9        public Double4(double ix, double iy, double iz, double rad) { 
10    
11           x = ix; 
12    
13           y = iy; 
14    
15           z = iz; 
16    
17           r = rad; 
18    
19       } 
20    
21   }