namespace Gauss {

	using System;
	using System.Windows.Data;

	public class Gaussian : IValueConverter {
		private double mean;
		private double variance;
		private double magnitude;

		public Gaussian() {
		}

		public Gaussian(double mean, double variance, double magnitude) {
			this.mean = mean;
			this.variance = variance;
			this.magnitude = magnitude;
		}

		public double Mean {
			get { return this.mean; }
			set { this.mean = value; }
		}

		public double Variance {
			get { return this.variance; }
			set { this.variance = value; }
		}

		public double Magnitude {
			get { return this.magnitude; }
			set { this.magnitude = value; }
		}

		public double Compute(double variate) {
			double power = -Math.Pow(variate - this.Mean, 2) / (2 * this.Variance * this.Variance);
			return this.magnitude * Math.Pow(Math.E, power);
		}

		public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
			double val;
			if (value is int)
				val = (int)value;
			else
				val = (double)value;

			return this.Compute(val);
		}

		public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) {
			throw new Exception("The method or operation is not implemented.");
		}
	}
}