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/packages/apps/Gallery2/src/com/android/gallery3d/util/
H A DGalleryUtils.java171 // Approximate cos(lat1) * cos(lat2) using
172 // cos((lat1 + lat2)/2) ^ 2
182 public static double accurateDistanceMeters(double lat1, double lng1, argument
184 double dlat = Math.sin(0.5 * (lat2 - lat1));
186 double x = dlat * dlat + dlng * dlng * Math.cos(lat1) * Math.cos(lat2);

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