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Add helper file

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aclist 2022-09-12 19:35:50 +09:00
parent a427daabd6
commit 7b947e2996
1 changed files with 25 additions and 0 deletions
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helpers/lat.py Normal file
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import math
import sys
def haversine(lat1, lon1, lat2, lon2):
dLat = (lat2 - lat1) * math.pi / 180.0
dLon = (lon2 - lon1) * math.pi / 180.0
lat1 = (lat1) * math.pi / 180.0
lat2 = (lat2) * math.pi / 180.0
a = (pow(math.sin(dLat / 2), 2) +
pow(math.sin(dLon / 2), 2) *
math.cos(lat1) * math.cos(lat2));
rad = 6371
c = 2 * math.asin(math.sqrt(a))
return round(rad * c)
if __name__ == "__main__":
lat1 = float(sys.argv[1])
lon1 = float(sys.argv[2])
lat2 = float(sys.argv[3])
lon2 = float(sys.argv[4])
print(haversine(lat1, lon1, lat2, lon2))