Normalizes the angle between two directions to the acute angle in between, i.e. angles between 0 and 90<U+00B0>
Examples
deviation_norm(91)
#> [1] 89
deviation_norm(c(-91, NA, 23497349))
#> [1] 89 NA 31
Normalizes the angle between two directions to the acute angle in between, i.e. angles between 0 and 90<U+00B0>
deviation_norm(91)
#> [1] 89
deviation_norm(c(-91, NA, 23497349))
#> [1] 89 NA 31