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``` What steps will reproduce the problem? 1. Perp unary operator missing 2. Enhancement 3. Please provide any additional information below. The Perp operator is missing. It could be useful in some geometry algorithms. Here is what I'm referring to: public static Vector2 Perp(Vector2 vector2) { return new Vector2(-vector2.Y, vector2.X); } It returns a vector perpendicular to the input one. If it was implemented, it could also be used to implement the "PerpDot" product or 2D cross product. Also, are there any plans to implement a double precision Math library? ``` Original issue reported on code.google.com by `[email protected]` on 4 Nov 2010 at 9:13