public void TestQuadrant()
{
Assert.AreEqual(0, BasicLib.Quadrant(89.9));
Assert.AreEqual(3, BasicLib.Quadrant(-89.9));
Assert.AreEqual(1, BasicLib.Quadrant(179.9));
Assert.AreEqual(2, BasicLib.Quadrant(-179.9));
Assert.AreEqual(2, BasicLib.Quadrant(269.9));
Assert.AreEqual(1, BasicLib.Quadrant(-269.9));
Assert.AreEqual(3, BasicLib.Quadrant(719.9));
Assert.AreEqual(0, BasicLib.Quadrant(-719.9));
Assert.IsTrue(BasicLib.Quadrant3To0(719, 0));
Assert.IsFalse(BasicLib.Quadrant0To3(719, 0));
}
