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Re: Zipcode Proximity script

by Anonymous Monk
on Mar 31, 2003 at 19:58 UTC ( #247056=note: print w/ replies, xml ) Need Help??

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  1. or download this
      while (read_from_file(&newzip, &newlat, &newlon)) {
        mydist = great_circle_distance(newlat,newlon,origlat,origlon);
    ...
        }
        ...
      }
    
  2. or download this
      float dist1cosine = cos(25.0 / EARTH_RADIUS);
      float dist2cosine = cos(50.0 / EARTH_RADIUS);
    ...
        }
        ...
      }
    
  3. or download this
       static inline float great_circle_distance_cosine(float lat1,
                                                 float long1,
    ...
                          sin(lat1) sin(lat2) */
               return (temp1 + temp2);
       }
    

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