public void EaseInOutSmoothStepF()
{
Assert.IsTrue(Numeric.AreEqual(0, InterpolationHelper.EaseInOutSmoothStep(-1.0f)));
Assert.IsTrue(Numeric.AreEqual(0, InterpolationHelper.EaseInOutSmoothStep(0.0f)));
Assert.IsTrue(Numeric.AreEqual(0.5, InterpolationHelper.EaseInOutSmoothStep(0.5f)));
Assert.IsTrue(Numeric.AreEqual(1, InterpolationHelper.EaseInOutSmoothStep(1.0f)));
Assert.IsTrue(Numeric.AreEqual(1, InterpolationHelper.EaseInOutSmoothStep(2.0f)));
Assert.IsTrue(Numeric.AreEqual(1 - InterpolationHelper.EaseInOutSmoothStep(1 - 0.3f), InterpolationHelper.EaseInOutSmoothStep(0.3f)));
Assert.Greater(InterpolationHelper.EaseInOutSmoothStep(1 - 0.3f), InterpolationHelper.EaseInOutSmoothStep(0.3f));
Assert.Greater(0.5f, InterpolationHelper.EaseInOutSmoothStep(0.3f));
Assert.Less(0.5f, InterpolationHelper.EaseInOutSmoothStep(0.6f));
}