Angular difference in degrees
Details
This function simply returns the difference between two
angles in degrees. When degree1 and degree2 are vectors,
this function operates on the full set in one step.
When degree1 is a vector, and degree2 is NULL, this
function calculates the difference of each pair in degree1,
in the order supplied.
See also
Other venndir geometry:
degrees_to_adj(),
display_angles(),
mean_degree_arc(),
mean_degrees(),
rescale_coordinates(),
spread_degrees(),
three_point_angle()