public void cntk_mean_test()
{
using (var K = new CNTKBackend())
{
var x = K.variable(array: new double[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
});
{
double a = (double)K.mean(x, axis: new[] { 0, 1 }).eval();
Assert.AreEqual(3.5, a);
double[] b = (double[])K.mean(x, axis: new[] { 0 }).eval();
Assert.AreEqual(new[] { 2.5, 3.5, 4.5 }, b);
double[] c = (double[])K.mean(x, axis: new[] { 1 }).eval();
Assert.AreEqual(new[] { 2.0, 5.0 }, c);
double[,] d = (double[, ])K.mean(x, axis: new int[] { }).eval();
Assert.AreEqual(new double[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
}, d);
}
{
double[] a = (double[])K.mean(x, axis: -1).eval();
Assert.AreEqual(new[] { 2, 5 }, a);
double[] b = (double[])K.mean(x, axis: 0).eval();
Assert.AreEqual(new[] { 2.5, 3.5, 4.5 }, b);
double[] c = (double[])K.mean(x, axis: 1).eval();
Assert.AreEqual(new[] { 2.0, 5.0 }, c);
}
}
}
