RosettaCodeData/Task/Averages-Mean-angle/NetRexx/averages-mean-angle.netrexx
2023-07-01 13:44:08 -04:00

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/* NetRexx */
options replace format comments java crossref symbols nobinary
numeric digits 80
runSample(arg)
return
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
method getMeanAngle(angles) private static binary
x_component = double 0.0
y_component = double 0.0
aK = int angles.words()
loop a_ = 1 to aK
angle_d = double angles.word(a_)
angle_r = double Math.toRadians(angle_d)
x_component = x_component + Math.cos(angle_r)
y_component = y_component + Math.sin(angle_r)
end a_
x_component = x_component / aK
y_component = y_component / aK
avg_r = Math.atan2(y_component, x_component)
avg_d = Math.toDegrees(avg_r)
return avg_d
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
method runSample(arg) private static
angleSet = [ '350 10', '90 180 270 360', '10 20 30', '370', '180' ]
loop angles over angleSet
say 'The mean angle of' angles.space(1, ',') 'is:'
say ' 'getMeanAngle(angles).format(6, 6)
say
end angles
return