Angle difference between two bearings: Difference between revisions

=={{header|Julia}}

{{works with|Julia|0.6}}

{{trans|Python}}

<lang julia>function angdiff(a, b)

r = (b - a) % 360.0

if r ≥ 180.0

r -= 360.0

end

return r

end

println("Input in -180 to +180 range:")

for (a, b) in [(20.0, 45.0), (-45.0, 45.0), (-85.0, 90.0), (-95.0, 90.0), (-45.0, 125.0), (-45.0, 145.0),

(-45.0, 125.0), (-45.0, 145.0), (29.4803, -88.6381), (-78.3251, -159.036)]

@printf("% 6.1f - % 6.1f = % 6.1f\n", a, b, angdiff(a, b))

end

println("\nInput in wider range:")

for (a, b) in [(-70099.74233810938, 29840.67437876723), (-165313.6666297357, 33693.9894517456),

(1174.8380510598456, -154146.66490124757), (60175.77306795546, 42213.07192354373)]

@printf("% 9.1f - % 9.1f = % 6.1f\n", a, b, angdiff(a, b))

end</lang>

{{out}}

<pre>Input in -180 to +180 range:

20.0 - 45.0 = 25.0

-45.0 - 45.0 = 90.0

-85.0 - 90.0 = 175.0

-95.0 - 90.0 = -175.0

-45.0 - 125.0 = 170.0

-45.0 - 145.0 = -170.0

-45.0 - 125.0 = 170.0

-45.0 - 145.0 = -170.0

29.5 - -88.6 = -118.1

-78.3 - -159.0 = -80.7

Input in wider range:

-70099.7 - 29840.7 = -139.6

-165313.7 - 33694.0 = -72.3

1174.8 - -154146.7 = -161.5

60175.8 - 42213.1 = -322.7</pre>