public void HardSigmoidPrimeTest()
{
var a = new Matrix(2, 2);
a.InRandomize();
var b = a.Duplicate();
a = new HardSigmoid().Backward(a);
b.InMap((x) => x > 1 || x < 0 ? 0 : 1);
Assert.IsTrue(Math.Abs(a.FrobeniusNorm() - b.FrobeniusNorm()) < 0.1,
new HardSigmoid().Type().ToString() + " Derivative.");
}
public void HardSigmoidTest()
{
var a = new Matrix(2, 2);
a.InRandomize();
var b = a.Duplicate();
a = new HardSigmoid().Forward(a);
b.InMap((x) => x < 0 ? 0 : x < 1 ? x : 1);
Assert.IsTrue(Math.Abs(a.FrobeniusNorm() - b.FrobeniusNorm()) < 0.1,
new HardSigmoid().Type().ToString() + " Activation.");
}