public void Test_Softmax_NullData()
{
DataArray data = null;
SoftmaxLayer soft = new SoftmaxLayer();
soft.SetInput(data);
}
public void Test_Softmax_DifferentData()
{
Data2D data = new Data2D(5, 4, 5, 10);
SoftmaxLayer soft = new SoftmaxLayer();
soft.SetInput(data);
}
public void Test_Softmax_Execute()
{
// Softmax output
softmax = new SoftmaxLayer();
Data2D data = new Data2D(1, 1, 5, 1);
data[0, 0, 0, 0] = 0.0;
data[0, 0, 1, 0] = 1.0;
data[0, 0, 2, 0] = 1.5;
data[0, 0, 3, 0] = 2.0;
data[0, 0, 4, 0] = 3.0;
softmax.SetInput(data);
softmax.Execute();
Data2D output = softmax.GetOutput() as Data2D;
// Expected output
double[] expOu = new double[5];
double sum = 0.0;
sum += (Math.Exp(0.0) + Math.Exp(1.0) + Math.Exp(1.5) + Math.Exp(2.0) + Math.Exp(3.0));
expOu[0] = Math.Exp(0.0) / sum;
expOu[1] = Math.Exp(1.0) / sum;
expOu[2] = Math.Exp(1.5) / sum;
expOu[3] = Math.Exp(2.0) / sum;
expOu[4] = Math.Exp(3.0) / sum;
Assert.AreEqual(output[0, 0, 0, 0], expOu[0], 0.00000001);
Assert.AreEqual(output[0, 0, 1, 0], expOu[1], 0.00000001);
Assert.AreEqual(output[0, 0, 2, 0], expOu[2], 0.00000001);
Assert.AreEqual(output[0, 0, 3, 0], expOu[3], 0.00000001);
Assert.AreEqual(output[0, 0, 4, 0], expOu[4], 0.00000001);
}