using System;

namespace Psychlops
{

	public static class Math
	{
		public static readonly double PI = 3.14159265, E = 2.718281828459045;
		public static double abs(double x)
		{
			return System.Math.Abs(x);
		}
		public static double sin(double x)
		{
			return System.Math.Sin(x);
		}
		public static double cos(double x)
		{
			return System.Math.Cos(x);
		}
		public static double tan(double x)
		{
			return System.Math.Tan(x);
		}
		public static double sqrt(double x)
		{
			return System.Math.Sqrt(x);
		}
		public static double exp(double x)
		{
			return System.Math.Exp(x);
		}
		public static double log(double x)
		{
			return System.Math.Log(x);
		}
		public static double radius(double x, double y)
		{
			return System.Math.Sqrt(x * x + y * y);
		}


		public static double gaussian(double x, double sigma)
		{
			return exp(- (x*x) / (2*sigma*sigma));
		}
	}

}