protected override ScalarValue GetValue(ScalarValue value) { var a = value.Exp(); var b = (-value).Exp(); return((a - b) / (a + b)); }
protected override ScalarValue GetValue(ScalarValue value) { return(value.Exp()); }
protected override ScalarValue GetValue(ScalarValue value) { return((value.Exp() + (-value).Exp()) / 2.0); }
protected override ScalarValue GetValue(ScalarValue value) { return(2.0 / (value.Exp() - (-value).Exp())); }