Accord.Math.Vector4.Inverse C# (CSharp) Method

        public Vector4 Inverse( )
        {
            return new Vector4(
                ( X == 0 ) ? 0 : 1.0f / X,
                ( Y == 0 ) ? 0 : 1.0f / Y,
                ( Z == 0 ) ? 0 : 1.0f / Z,
                ( W == 0 ) ? 0 : 1.0f / W );
        }