NeuralNetworks.Neuron.Activate C# (CSharp) Method

        public double Activate(double input)
        {
            switch (ActType)
            {
                case ActivationType.BINARY:
                    if (input > 0)
                        return 1;
                    else
                        return 0;

                case ActivationType.BIPOLAR:

                    if (input > 0)
                        return 1;
                    else
                        return -1;

                case ActivationType.RAMP:
                    return input;

                case ActivationType.SIGMOID:
                    return 1 / (1 + Math.Pow(Math.E, -1 * input));

                default:
                    return 0;
                case ActivationType.BIPOLARSIGMOID:
                    return (2 / (1 + Math.Pow(Math.E, -1 * input))) - 1;

            }
        }