1 module PreludeBuiltin where
3 --- 3-tuples ------------------------------------------
10 import List ( (++), foldr )
11 import Prel ( (&&), (.) )
12 import PS ( _PackedString, _unpackPS )
15 instance (Eq a, Eq b, Eq c) => Eq (a, b, c) where
16 (a1,a2,a3) == (b1,b2,b3) = a1 == b1 && a2 == b2 && a3 == b3
17 aaa /= bbb = if (aaa == bbb) then False else True
19 instance (Ord a, Ord b, Ord c) => Ord (a, b, c) where
20 a < b = case _tagCmp a b of { _LT -> True; _EQ -> False; _GT -> False }
21 a <= b = case _tagCmp a b of { _LT -> True; _EQ -> True; _GT -> False }
22 a >= b = case _tagCmp a b of { _LT -> False; _EQ -> True; _GT -> True }
23 a > b = case _tagCmp a b of { _LT -> False; _EQ -> False; _GT -> True }
25 max a b = case _tagCmp a b of { _LT -> b; _EQ -> a; _GT -> a }
26 min a b = case _tagCmp a b of { _LT -> a; _EQ -> a; _GT -> b }
28 _tagCmp (a1, b1, c1) (a2, b2, c2)
29 = case (_tagCmp a1 a2) of {
32 _EQ -> case _tagCmp b1 b2 of {
39 instance (Ix a1, Ix a2, Ix a3) => Ix (a1,a2,a3) where
40 range ((l1,l2,l3),(u1,u2,u3)) =
41 [(i1,i2,i3) | i1 <- range (l1,u1),
45 index ((l1,l2,l3),(u1,u2,u3)) (i1,i2,i3) =
46 index (l3,u3) i3 + rangeSize (l3,u3) * (
47 index (l2,u2) i2 + rangeSize (l2,u2) * (
50 rangeSize (l,u) = index (l,u) u + (1 :: Int)
52 inRange ((l1,l2,l3),(u1,u2,u3)) (i1,i2,i3) =
53 inRange (l1,u1) i1 && inRange (l2,u2) i2 &&
56 -- ToDo: something for Binary
58 instance (Text a, Text b, Text c) => Text (a, b, c) where
59 readsPrec p = readParen False
60 (\a -> [((x,y,z), h) | ("(",b) <- lex a,
68 showsPrec p (x,y,z) = showChar '(' . shows x . showString ", " .
69 shows y . showString ", " .
70 shows z . showChar ')'
72 #if defined(__UNBOXED_INSTANCES__)
74 -- We only create SPECIALIZED instances unboxed tuples
75 -- which have all the same unboxed component
77 -- {-# SPECIALIZE instance Eq (Char#,Char#,Char#) #-}
78 -- {-# SPECIALIZE instance Ord (Char#,Char#,Char#) #-}
79 -- {-# SPECIALIZE instance Ix (Char#,Char#,Char#) #-}
80 -- {-# SPECIALIZE instance Text (Char#,Char#,Char#) #-}
82 -- {-# SPECIALIZE instance Eq (Int#,Int#,Int#) #-}
83 -- {-# SPECIALIZE instance Ord (Int#,Int#,Int#) #-}
84 -- {-# SPECIALIZE instance Ix (Int#,Int#,Int#) #-}
85 -- {-# SPECIALIZE instance Text (Int#,Int#,Int#) #-}
87 -- {-# SPECIALIZE instance Eq (Double#,Double#,Double#) #-}
88 -- {-# SPECIALIZE instance Ord (Double#,Double#,Double#) #-}
89 -- {-# SPECIALIZE instance Text (Double#,Double#,Double#) #-}