private static void AssertConsistent(Basis basis, double angle, Turn turn)
{
var eps = Turn.OneTurnClockwise * 0.00001;
Assert.IsTrue(basis.AngleToTurn(angle).Equals(turn, eps));
Assert.IsTrue(Turn.FromAngle(angle, basis).Equals(turn, eps));
Assert.AreEqual(basis.TurnToAngle(turn), angle, 0.00001);
Assert.AreEqual(turn.GetAngle(basis), angle, 0.00001);
}