Function angleDelta

src/lib/angles.js:35–37

* angular delta between angle 'a' and 'b' * solution taken from: https://stackoverflow.com/a/2007279 * * @param {number} a : first angle in *radians* * @param {number} b : second angle in *radians* * @return {number} angular delta in *radians*

(a, b)

 * @return {number} angular delta in *radians*
 */
function angleDelta(a, b) {
    return modHalf(b - a, twoPI);
}

/**
 * angular distance between angle 'a' and 'b'