Files
loop/src/ShortShow.hs
T

62 lines
1.7 KiB
Haskell

module ShortShow (shortShow, ShortShow, ShortString (..)) where
import Geometry
import Numeric
class ShortShow a where
shortShow :: a -> String
instance ShortShow a => ShortShow (V2 a) where
shortShow (V2 x y) = shortShow x ++ "#" ++ shortShow y
instance ShortShow a => ShortShow (V3 a) where
shortShow (V3 x y z) = shortShow x ++ "#" ++ shortShow y
++ "#" ++ shortShow z
newtype ShortString = SString String
instance ShortShow ShortString where
shortShow (SString x) = show x
instance ShortShow Float where
shortShow x = showFFloat (Just 2) x ""
instance ShortShow Bool where
shortShow True = "T"
shortShow False = "F"
instance ShortShow a => ShortShow (Maybe a) where
shortShow (Just x) = "J#" <> shortShow x
shortShow Nothing = "NTHNG"
instance ShortShow Int where
shortShow x
| x < k' = show x
| x < m = fdiv x k "K"
| x < g = fdiv x m "M"
| x < t = fdiv x g "G"
| x < p = fdiv x t "T"
| otherwise = show x ++ "P"
fdiv :: Int -> Int -> String -> String
fdiv x y s = removeDot (take 3 (show ((fromIntegral x / fromIntegral y) :: Float))) ++ s
removeDot :: String -> String
removeDot [a, b, '.'] = [a, b]
removeDot xs = xs
k, k', m, g, t, p :: Int
k = 10 ^ (3 :: Int)
k' = 10 ^ (4 :: Int) -- this allows showing up to 9999 directly
m = 10 ^ (6 :: Int)
g = 10 ^ (9 :: Int)
t = 10 ^ (12 :: Int)
p = 10 ^ (15 :: Int)
instance (ShortShow a, ShortShow b) => ShortShow (a, b) where
shortShow (a, b) = '(' : shortShow a ++ "," ++ shortShow b ++ ")"
instance (ShortShow a, ShortShow b, ShortShow c) => ShortShow (a, b, c) where
shortShow (a, b, c)
= '(' : shortShow a ++ "," ++ shortShow b ++ "," ++ shortShow c ++ ")"