Determine if two floats are "equal"

Math.cs

using System.Linq;

public static class Math
{
	/// <summary>
	/// Floating-point epsilon value.
	/// </summary>
	public const float FLT_EPSILON = 1.192092896e-07f;

	/// <summary>
	/// Determines whether two floating-point values are "equal,"
	/// or close enough in value (by less than epsilon).
	/// </summary>
	public static bool AreEqual(float a, float b, float epsilon = FLT_EPSILON)
	{
		return System.Math.Abs(a - b) <= epsilon * new float[] { 1.0f, System.Math.Abs(a), System.Math.Abs(b) }.Max();
	}
}