public void TestMod()
{
//example from Excel help
Assert.AreEqual(1.0, MathX.Mod(3, 2));
Assert.AreEqual(1.0, MathX.Mod(-3, 2));
Assert.AreEqual(-1.0, MathX.Mod(3, -2));
Assert.AreEqual(-1.0, MathX.Mod(-3, -2));
Assert.AreEqual(0.0, MathX.Mod(0, 2));
Assert.AreEqual(Double.NaN, MathX.Mod(3, 0));
Assert.AreEqual((double)1.4, MathX.Mod(3.4, 2));
Assert.AreEqual((double)-1.4, MathX.Mod(-3.4, -2));
Assert.AreEqual((double)0.6000000000000001, MathX.Mod(-3.4, 2.0)); // should actually be 0.6
Assert.AreEqual((double)-0.6000000000000001, MathX.Mod(3.4, -2.0)); // should actually be -0.6
Assert.AreEqual(3.0, MathX.Mod(3, Double.MaxValue));
Assert.AreEqual(2.0, MathX.Mod(Double.MaxValue, 3));
// Bugzilla 50033
Assert.AreEqual(1.0, MathX.Mod(13, 12));
}