public void AccuracyTest2()
{
var y = new TensorOld(new double[] { 0, 0, 1, 0, 1, 0 }, 2, 3);
var yHat = new TensorOld(new double[] { 0, 1, 0, 0, 1, 0 }, 2, 3);
var expected = 0.5;
var actual = CrossEntropy.ComputeAccuracy(y, yHat);
Assert.Equal(expected, actual);
}