1 -- !!! Defines functions as an instance of Num
5 instance (Eq a, Eq b) => Eq (a->b)
8 instance (Num a, Num b) => Num (a->b) where
9 f + g = \x -> f x + g x
10 negate f = \x -> - (f x)
11 f * g = \x -> f x * g x
12 fromInteger n = \x -> fromInteger n
21 -- sin**2 + cos**2 = 1
23 main = putStrLn ((show (tt 0.4))++ " "++(show (tt 1.652)))