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Created By rjames93 at 2012/05/06 13:40

1.   #include "basic.h"
2.  
3.   int NumberOfBodies;
4.  
5.   struct object{
6.       double mass;
7.       double radialdistance;
8.       double polarangle;
9.       double azimuthalangle;
10.       double xcoordinate;
11.       double ycoordinate;
12.       double zcoordinate;
13.       };
14.  
15.   struct object * objectarray = NULL;
16.      
17.   struct object object;
18.  
19.   int i=0;
20.  
21.   int input(){
22.       printf("Insert number of bodies in the System:");
23.       scanf("%d",&NumberOfBodies);
24.  
25.       objectarray = calloc(NumberOfBodies, sizeof(struct object));
26.  
27.       if (objectarray == NULL) {
28.       fprintf(stderr, "No more memory can be allocated \n Hope you like eels! \n");               
29.   }
30.  
31.       for (i=0; i<NumberOfBodies; i++){
32.           printf("For Body number %d \n",i);
33.          
34.           printf("Enter mass of body (kg) %d : \n",i);
35.           scanf("%lf" , &object.mass);
36.          
37.           printf("Enter the, |r|, the radial distance of object %d: \n", i);
38.           scanf("%lf" , &object.radialdistance);
39.          
40.           printf("Enter the polar angle, theta, of object %d: \n", i);
41.           scanf("%lf" , &object.polarangle);
42.          
43.           printf("Enter the azimuthal angle, thi, of object %d: \n", i);
44.           scanf("%lf" , &object.azimuthalangle);
45.          
46.           printf("Converting the coordinates you entered in to Cartesian");
47.          
48.           conversion();
49.  
50.           objectarray[i] = object;
51.       }
52.  
53.       return(0);
54.   }
55.  
56.   int conversion(){
57.          
58.           object.xcoordinate =  (&object.radialdistance)*cos(&object.azimuthalangle)*sin(&object.polarangle);
59.          
60.           object.ycoordinate = (&object.radialdistance)*sin(&object.azimuthalangle)*sin(&object.polarangle);
61.          
62.           object.zcoordinate = (&object.radialdistance)*cos(&object.polarangle);
63.      
64.       return(0);
65.   }