public void cntk_sum_test()
{
using (var K = new CNTKBackend())
{
var x = K.variable(array: new double[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
});
{
double a = (double)K.sum(x, axis: new[] { 0, 1 }).eval();
Assert.AreEqual(21, a);
double[] b = (double[])K.sum(x, axis: new[] { 0 }).eval();
Assert.AreEqual(new[] { 5.0, 7.0, 9.0 }, b);
double[] c = (double[])K.sum(x, axis: new[] { 1 }).eval();
Assert.AreEqual(new[] { 6.0, 15.0 }, c);
double[,] d = (double[, ])K.sum(x, axis: new int[] { }).eval();
Assert.AreEqual(new double[, ] {
{ 1, 2, 3 }, { 4, 5, 6 }
}, d);
}
{
double[] a = (double[])K.sum(x, axis: -1).eval();
Assert.AreEqual(new[] { 6.0, 15.0 }, a);
double[] b = (double[])K.sum(x, axis: 0).eval();
Assert.AreEqual(new[] { 5.0, 7.0, 9.0 }, b);
double[] c = (double[])K.sum(x, axis: 1).eval();
Assert.AreEqual(new[] { 6.0, 15.0 }, c);
}
}
}
