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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Averages-Mean-angle/Ring/averages-mean-angle.ring Normal file
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# Project : Averages/Mean angle
load "stdlib.ring"
decimals(6)
pi = 3.1415926535897
angles = [350,10]
see meanangle(angles, len(angles)) + nl
angles = [90,180,270,360]
see meanangle(angles, len(angles)) + nl
angles = [10,20,30]
see meanangle(angles, len(angles)) + nl
func meanangle(angles, n)
sumsin = 0
sumcos = 0
for i = 1 to n
sumsin = sumsin + sin(angles[i]*pi/180)
sumcos = sumcos + cos(angles[i]*pi/180)
next
return 180/pi*atan3(sumsin, sumcos)
func atan3(y,x)
if x <= 0
return sign(y)*pi/2
ok
if x>0
return atan(y/x)
else
if y>0
return atan(y/x)+pi
else
return atan(y/x)-pi
ok
ok