svoid test_cyclicDistance() {
  assertEqualsVerbose(cyclicDistance(40, 50, 360), 10.0);
  assertEqualsVerbose(cyclicDistance(50, 40, 360), 10.0);
  assertEqualsVerbose(cyclicDistance(10, 350, 360), 20.0);
  assertEqualsVerbose(cyclicDistance(350, 10, 360), 20.0);
}