Nearest-neighbour search for BRIR direction #126
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I noticed that the nearest-neighbour search for the head direction of a BRIR boldly calculates a Euclidian distance out of angles in radians. I suggest the following correction where the angles are converted to cartesian coordinates first. Not my best day for naming of variables, so feel free to change them...
The second change prevents the warnings for BRIR head directions being out of range to display due to numerical inaccuracies only.