public static bool Contains(this Vector3Collection vectors, double[] expectedVector)
{
return(vectors.Any(vector => Math.Abs((float)expectedVector[0] - vector.X) < float.Epsilon &&
Math.Abs((float)expectedVector[1] - vector.Y) < float.Epsilon &&
Math.Abs((float)expectedVector[2] - vector.Z) < float.Epsilon));
}
