2 % (c) The University of Glasgow, 1997-2001
4 \section[PrelWord]{Module @PrelWord@}
10 Word(..), Word8(..), Word16(..), Word32(..), Word64(..),
11 divZeroError, toEnumError, fromEnumError, succError, predError)
22 ------------------------------------------------------------------------
24 ------------------------------------------------------------------------
26 {-# NOINLINE divZeroError #-}
27 divZeroError :: (Show a) => String -> a -> b
29 error $ "Integral." ++ meth ++ ": divide by 0 (" ++ show x ++ " / 0)"
31 {-# NOINLINE toEnumError #-}
32 toEnumError :: (Show a) => String -> Int -> (a,a) -> b
33 toEnumError inst_ty i bnds =
34 error $ "Enum.toEnum{" ++ inst_ty ++ "}: tag (" ++
36 ") is outside of bounds " ++
39 {-# NOINLINE fromEnumError #-}
40 fromEnumError :: (Show a) => String -> a -> b
41 fromEnumError inst_ty x =
42 error $ "Enum.fromEnum{" ++ inst_ty ++ "}: value (" ++
44 ") is outside of Int's bounds " ++
45 show (minBound::Int, maxBound::Int)
47 {-# NOINLINE succError #-}
48 succError :: String -> a
50 error $ "Enum.succ{" ++ inst_ty ++ "}: tried to take `succ' of maxBound"
52 {-# NOINLINE predError #-}
53 predError :: String -> a
55 error $ "Enum.pred{" ++ inst_ty ++ "}: tried to take `pred' of minBound"
57 ------------------------------------------------------------------------
59 ------------------------------------------------------------------------
61 -- A Word is an unsigned integral type, with the same size as Int.
63 data Word = W# Word# deriving (Eq, Ord)
65 instance CCallable Word
66 instance CReturnable Word
68 instance Show Word where
69 showsPrec p x = showsPrec p (toInteger x)
71 instance Num Word where
72 (W# x#) + (W# y#) = W# (x# `plusWord#` y#)
73 (W# x#) - (W# y#) = W# (x# `minusWord#` y#)
74 (W# x#) * (W# y#) = W# (x# `timesWord#` y#)
75 negate (W# x#) = W# (int2Word# (negateInt# (word2Int# x#)))
79 fromInteger (S# i#) = W# (int2Word# i#)
80 fromInteger (J# s# d#) = W# (integer2Word# s# d#)
82 instance Real Word where
83 toRational x = toInteger x % 1
85 instance Enum Word where
87 | x /= maxBound = x + 1
88 | otherwise = succError "Word"
90 | x /= minBound = x - 1
91 | otherwise = predError "Word"
93 | i >= 0 = W# (int2Word# i#)
94 | otherwise = toEnumError "Word" i (minBound::Word, maxBound::Word)
96 | x <= fromIntegral (maxBound::Int)
98 | otherwise = fromEnumError "Word" x
99 enumFrom = integralEnumFrom
100 enumFromThen = integralEnumFromThen
102 instance Integral Word where
103 quot x@(W# x#) y@(W# y#)
104 | y /= 0 = W# (x# `quotWord#` y#)
105 | otherwise = divZeroError "quot{Word}" x
106 rem x@(W# x#) y@(W# y#)
107 | y /= 0 = W# (x# `remWord#` y#)
108 | otherwise = divZeroError "rem{Word}" x
109 div x@(W# x#) y@(W# y#)
110 | y /= 0 = W# (x# `quotWord#` y#)
111 | otherwise = divZeroError "div{Word}" x
112 mod x@(W# x#) y@(W# y#)
113 | y /= 0 = W# (x# `remWord#` y#)
114 | otherwise = divZeroError "mod{Word}" x
115 quotRem x@(W# x#) y@(W# y#)
116 | y /= 0 = (W# (x# `quotWord#` y#), W# (x# `remWord#` y#))
117 | otherwise = divZeroError "quotRem{Word}" x
118 divMod x@(W# x#) y@(W# y#)
119 | y /= 0 = (W# (x# `quotWord#` y#), W# (x# `remWord#` y#))
120 | otherwise = divZeroError "divMod{Word}" x
123 | otherwise = case word2Integer# x# of (# s, d #) -> J# s d
127 instance Bounded Word where
129 #if WORD_SIZE_IN_BYTES == 4
130 maxBound = 0xFFFFFFFF
132 maxBound = 0xFFFFFFFFFFFFFFFF
135 instance Ix Word where
138 | inRange b i = fromIntegral (i - m)
139 | otherwise = indexError b i "Word"
140 inRange (m,n) i = m <= i && i <= n
142 instance Read Word where
143 readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]
145 instance Bits Word where
146 (W# x#) .&. (W# y#) = W# (x# `and#` y#)
147 (W# x#) .|. (W# y#) = W# (x# `or#` y#)
148 (W# x#) `xor` (W# y#) = W# (x# `xor#` y#)
149 complement (W# x#) = W# (x# `xor#` mb#) where W# mb# = maxBound
150 (W# x#) `shift` (I# i#)
151 | i# >=# 0# = W# (x# `shiftL#` i#)
152 | otherwise = W# (x# `shiftRL#` negateInt# i#)
153 #if WORD_SIZE_IN_BYTES == 4
154 (W# x#) `rotate` (I# i#) = W# ((x# `shiftL#` i'#) `or#` (x# `shiftRL#` (32# -# i'#)))
156 i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
158 (W# x#) `rotate` (I# i#) = W# ((x# `shiftL#` i'#) `or#` (x# `shiftRL#` (64# -# i'#)))
160 i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
162 bitSize _ = WORD_SIZE_IN_BYTES * 8
166 "fromIntegral/Int->Word" fromIntegral = \(I# x#) -> W# (int2Word# x#)
167 "fromIntegral/Word->Int" fromIntegral = \(W# x#) -> I# (word2Int# x#)
168 "fromIntegral/Word->Word" fromIntegral = id :: Word -> Word
171 ------------------------------------------------------------------------
173 ------------------------------------------------------------------------
175 -- Word8 is represented in the same way as Word. Operations may assume
176 -- and must ensure that it holds only values from its logical range.
178 data Word8 = W8# Word# deriving (Eq, Ord)
180 instance CCallable Word8
181 instance CReturnable Word8
183 instance Show Word8 where
184 showsPrec p x = showsPrec p (fromIntegral x :: Int)
186 instance Num Word8 where
187 (W8# x#) + (W8# y#) = W8# (wordToWord8# (x# `plusWord#` y#))
188 (W8# x#) - (W8# y#) = W8# (wordToWord8# (x# `minusWord#` y#))
189 (W8# x#) * (W8# y#) = W8# (wordToWord8# (x# `timesWord#` y#))
190 negate (W8# x#) = W8# (wordToWord8# (int2Word# (negateInt# (word2Int# x#))))
194 fromInteger (S# i#) = W8# (wordToWord8# (int2Word# i#))
195 fromInteger (J# s# d#) = W8# (wordToWord8# (integer2Word# s# d#))
197 instance Real Word8 where
198 toRational x = toInteger x % 1
200 instance Enum Word8 where
202 | x /= maxBound = x + 1
203 | otherwise = succError "Word8"
205 | x /= minBound = x - 1
206 | otherwise = predError "Word8"
208 | i >= 0 && i <= fromIntegral (maxBound::Word8)
210 | otherwise = toEnumError "Word8" i (minBound::Word8, maxBound::Word8)
211 fromEnum (W8# x#) = I# (word2Int# x#)
212 enumFrom = boundedEnumFrom
213 enumFromThen = boundedEnumFromThen
215 instance Integral Word8 where
216 quot x@(W8# x#) y@(W8# y#)
217 | y /= 0 = W8# (x# `quotWord#` y#)
218 | otherwise = divZeroError "quot{Word8}" x
219 rem x@(W8# x#) y@(W8# y#)
220 | y /= 0 = W8# (x# `remWord#` y#)
221 | otherwise = divZeroError "rem{Word8}" x
222 div x@(W8# x#) y@(W8# y#)
223 | y /= 0 = W8# (x# `quotWord#` y#)
224 | otherwise = divZeroError "div{Word8}" x
225 mod x@(W8# x#) y@(W8# y#)
226 | y /= 0 = W8# (x# `remWord#` y#)
227 | otherwise = divZeroError "mod{Word8}" x
228 quotRem x@(W8# x#) y@(W8# y#)
229 | y /= 0 = (W8# (x# `quotWord#` y#), W8# (x# `remWord#` y#))
230 | otherwise = divZeroError "quotRem{Word8}" x
231 divMod x@(W8# x#) y@(W8# y#)
232 | y /= 0 = (W8# (x# `quotWord#` y#), W8# (x# `remWord#` y#))
233 | otherwise = divZeroError "quotRem{Word8}" x
234 toInteger (W8# x#) = S# (word2Int# x#)
236 instance Bounded Word8 where
240 instance Ix Word8 where
243 | inRange b i = fromIntegral (i - m)
244 | otherwise = indexError b i "Word8"
245 inRange (m,n) i = m <= i && i <= n
247 instance Read Word8 where
248 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
250 instance Bits Word8 where
251 (W8# x#) .&. (W8# y#) = W8# (x# `and#` y#)
252 (W8# x#) .|. (W8# y#) = W8# (x# `or#` y#)
253 (W8# x#) `xor` (W8# y#) = W8# (x# `xor#` y#)
254 complement (W8# x#) = W8# (x# `xor#` mb#) where W8# mb# = maxBound
255 (W8# x#) `shift` (I# i#)
256 | i# >=# 0# = W8# (wordToWord8# (x# `shiftL#` i#))
257 | otherwise = W8# (x# `shiftRL#` negateInt# i#)
258 (W8# x#) `rotate` (I# i#) = W8# (wordToWord8# ((x# `shiftL#` i'#) `or#`
259 (x# `shiftRL#` (8# -# i'#))))
261 i'# = word2Int# (int2Word# i# `and#` int2Word# 7#)
266 "fromIntegral/a->Word8" fromIntegral = \x -> case fromIntegral x of W# x# -> W8# (wordToWord8# x#)
267 "fromIntegral/Word8->a" fromIntegral = \(W8# x#) -> fromIntegral (W# x#)
270 ------------------------------------------------------------------------
272 ------------------------------------------------------------------------
274 -- Word16 is represented in the same way as Word. Operations may assume
275 -- and must ensure that it holds only values from its logical range.
277 data Word16 = W16# Word# deriving (Eq, Ord)
279 instance CCallable Word16
280 instance CReturnable Word16
282 instance Show Word16 where
283 showsPrec p x = showsPrec p (fromIntegral x :: Int)
285 instance Num Word16 where
286 (W16# x#) + (W16# y#) = W16# (wordToWord16# (x# `plusWord#` y#))
287 (W16# x#) - (W16# y#) = W16# (wordToWord16# (x# `minusWord#` y#))
288 (W16# x#) * (W16# y#) = W16# (wordToWord16# (x# `timesWord#` y#))
289 negate (W16# x#) = W16# (wordToWord16# (int2Word# (negateInt# (word2Int# x#))))
293 fromInteger (S# i#) = W16# (wordToWord16# (int2Word# i#))
294 fromInteger (J# s# d#) = W16# (wordToWord16# (integer2Word# s# d#))
296 instance Real Word16 where
297 toRational x = toInteger x % 1
299 instance Enum Word16 where
301 | x /= maxBound = x + 1
302 | otherwise = succError "Word16"
304 | x /= minBound = x - 1
305 | otherwise = predError "Word16"
307 | i >= 0 && i <= fromIntegral (maxBound::Word16)
308 = W16# (int2Word# i#)
309 | otherwise = toEnumError "Word16" i (minBound::Word16, maxBound::Word16)
310 fromEnum (W16# x#) = I# (word2Int# x#)
311 enumFrom = boundedEnumFrom
312 enumFromThen = boundedEnumFromThen
314 instance Integral Word16 where
315 quot x@(W16# x#) y@(W16# y#)
316 | y /= 0 = W16# (x# `quotWord#` y#)
317 | otherwise = divZeroError "quot{Word16}" x
318 rem x@(W16# x#) y@(W16# y#)
319 | y /= 0 = W16# (x# `remWord#` y#)
320 | otherwise = divZeroError "rem{Word16}" x
321 div x@(W16# x#) y@(W16# y#)
322 | y /= 0 = W16# (x# `quotWord#` y#)
323 | otherwise = divZeroError "div{Word16}" x
324 mod x@(W16# x#) y@(W16# y#)
325 | y /= 0 = W16# (x# `remWord#` y#)
326 | otherwise = divZeroError "mod{Word16}" x
327 quotRem x@(W16# x#) y@(W16# y#)
328 | y /= 0 = (W16# (x# `quotWord#` y#), W16# (x# `remWord#` y#))
329 | otherwise = divZeroError "quotRem{Word16}" x
330 divMod x@(W16# x#) y@(W16# y#)
331 | y /= 0 = (W16# (x# `quotWord#` y#), W16# (x# `remWord#` y#))
332 | otherwise = divZeroError "quotRem{Word16}" x
333 toInteger (W16# x#) = S# (word2Int# x#)
335 instance Bounded Word16 where
339 instance Ix Word16 where
342 | inRange b i = fromIntegral (i - m)
343 | otherwise = indexError b i "Word16"
344 inRange (m,n) i = m <= i && i <= n
346 instance Read Word16 where
347 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
349 instance Bits Word16 where
350 (W16# x#) .&. (W16# y#) = W16# (x# `and#` y#)
351 (W16# x#) .|. (W16# y#) = W16# (x# `or#` y#)
352 (W16# x#) `xor` (W16# y#) = W16# (x# `xor#` y#)
353 complement (W16# x#) = W16# (x# `xor#` mb#) where W16# mb# = maxBound
354 (W16# x#) `shift` (I# i#)
355 | i# >=# 0# = W16# (wordToWord16# (x# `shiftL#` i#))
356 | otherwise = W16# (x# `shiftRL#` negateInt# i#)
357 (W16# x#) `rotate` (I# i#) = W16# (wordToWord16# ((x# `shiftL#` i'#) `or#`
358 (x# `shiftRL#` (16# -# i'#))))
360 i'# = word2Int# (int2Word# i# `and#` int2Word# 15#)
365 "fromIntegral/a->Word16" fromIntegral = \x -> case fromIntegral x of W# x# -> W16# (wordToWord16# x#)
366 "fromIntegral/Word16->a" fromIntegral = \(W16# x#) -> fromIntegral (W# x#)
369 ------------------------------------------------------------------------
371 ------------------------------------------------------------------------
373 -- Word32 is represented in the same way as Word.
374 #if WORD_SIZE_IN_BYTES == 8
375 -- Operations may assume and must ensure that it holds only values
376 -- from its logical range.
379 data Word32 = W32# Word# deriving (Eq, Ord)
381 #if WORD_SIZE_IN_BYTES == 4
382 {-# RULES "wordToWord32#" forall x#. wordToWord32# x# = x# #-}
385 instance CCallable Word32
386 instance CReturnable Word32
388 instance Show Word32 where
389 #if WORD_SIZE_IN_BYTES == 4
390 showsPrec p x = showsPrec p (toInteger x)
392 showsPrec p x = showsPrec p (fromIntegral x :: Int)
395 instance Num Word32 where
396 (W32# x#) + (W32# y#) = W32# (wordToWord32# (x# `plusWord#` y#))
397 (W32# x#) - (W32# y#) = W32# (wordToWord32# (x# `minusWord#` y#))
398 (W32# x#) * (W32# y#) = W32# (wordToWord32# (x# `timesWord#` y#))
399 negate (W32# x#) = W32# (wordToWord32# (int2Word# (negateInt# (word2Int# x#))))
403 fromInteger (S# i#) = W32# (wordToWord32# (int2Word# i#))
404 fromInteger (J# s# d#) = W32# (wordToWord32# (integer2Word# s# d#))
406 instance Real Word32 where
407 toRational x = toInteger x % 1
409 instance Enum Word32 where
411 | x /= maxBound = x + 1
412 | otherwise = succError "Word32"
414 | x /= minBound = x - 1
415 | otherwise = predError "Word32"
418 #if WORD_SIZE_IN_BYTES == 8
419 && i <= fromIntegral (maxBound::Word32)
421 = W32# (int2Word# i#)
422 | otherwise = toEnumError "Word32" i (minBound::Word32, maxBound::Word32)
423 #if WORD_SIZE_IN_BYTES == 4
424 fromEnum (W32# x#) = I# (word2Int# x#)
425 enumFrom = integralEnumFrom
426 enumFromThen = integralEnumFromThen
429 | x <= fromIntegral (maxBound::Int)
431 | otherwise = fromEnumError "Word32" x
432 enumFrom = boundedEnumFrom
433 enumFromThen = boundedEnumFromThen
436 instance Integral Word32 where
437 quot x@(W32# x#) y@(W32# y#)
438 | y /= 0 = W32# (x# `quotWord#` y#)
439 | otherwise = divZeroError "quot{Word32}" x
440 rem x@(W32# x#) y@(W32# y#)
441 | y /= 0 = W32# (x# `remWord#` y#)
442 | otherwise = divZeroError "rem{Word32}" x
443 div x@(W32# x#) y@(W32# y#)
444 | y /= 0 = W32# (x# `quotWord#` y#)
445 | otherwise = divZeroError "div{Word32}" x
446 mod x@(W32# x#) y@(W32# y#)
447 | y /= 0 = W32# (x# `remWord#` y#)
448 | otherwise = divZeroError "mod{Word32}" x
449 quotRem x@(W32# x#) y@(W32# y#)
450 | y /= 0 = (W32# (x# `quotWord#` y#), W32# (x# `remWord#` y#))
451 | otherwise = divZeroError "quotRem{Word32}" x
452 divMod x@(W32# x#) y@(W32# y#)
453 | y /= 0 = (W32# (x# `quotWord#` y#), W32# (x# `remWord#` y#))
454 | otherwise = divZeroError "quotRem{Word32}" x
456 #if WORD_SIZE_IN_BYTES == 4
458 | otherwise = case word2Integer# x# of (# s, d #) -> J# s d
465 instance Bounded Word32 where
467 maxBound = 0xFFFFFFFF
469 instance Ix Word32 where
472 | inRange b i = fromIntegral (i - m)
473 | otherwise = indexError b i "Word32"
474 inRange (m,n) i = m <= i && i <= n
476 instance Read Word32 where
477 #if WORD_SIZE_IN_BYTES == 4
478 readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]
480 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
483 instance Bits Word32 where
484 (W32# x#) .&. (W32# y#) = W32# (x# `and#` y#)
485 (W32# x#) .|. (W32# y#) = W32# (x# `or#` y#)
486 (W32# x#) `xor` (W32# y#) = W32# (x# `xor#` y#)
487 complement (W32# x#) = W32# (x# `xor#` mb#) where W32# mb# = maxBound
488 (W32# x#) `shift` (I# i#)
489 | i# >=# 0# = W32# (wordToWord32# (x# `shiftL#` i#))
490 | otherwise = W32# (x# `shiftRL#` negateInt# i#)
491 (W32# x#) `rotate` (I# i#) = W32# (wordToWord32# ((x# `shiftL#` i'#) `or#`
492 (x# `shiftRL#` (32# -# i'#))))
494 i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
499 "fromIntegral/a->Word32" fromIntegral = \x -> case fromIntegral x of W# x# -> W32# (wordToWord32# x#)
500 "fromIntegral/Word32->a" fromIntegral = \(W32# x#) -> fromIntegral (W# x#)
503 ------------------------------------------------------------------------
505 ------------------------------------------------------------------------
507 #if WORD_SIZE_IN_BYTES == 4
509 data Word64 = W64# Word64#
511 instance Eq Word64 where
512 (W64# x#) == (W64# y#) = x# `eqWord64#` y#
513 (W64# x#) /= (W64# y#) = x# `neWord64#` y#
515 instance Ord Word64 where
516 (W64# x#) < (W64# y#) = x# `ltWord64#` y#
517 (W64# x#) <= (W64# y#) = x# `leWord64#` y#
518 (W64# x#) > (W64# y#) = x# `gtWord64#` y#
519 (W64# x#) >= (W64# y#) = x# `geWord64#` y#
521 instance Num Word64 where
522 (W64# x#) + (W64# y#) = W64# (int64ToWord64# (word64ToInt64# x# `plusInt64#` word64ToInt64# y#))
523 (W64# x#) - (W64# y#) = W64# (int64ToWord64# (word64ToInt64# x# `minusInt64#` word64ToInt64# y#))
524 (W64# x#) * (W64# y#) = W64# (int64ToWord64# (word64ToInt64# x# `timesInt64#` word64ToInt64# y#))
525 negate (W64# x#) = W64# (int64ToWord64# (negateInt64# (word64ToInt64# x#)))
529 fromInteger (S# i#) = W64# (int64ToWord64# (intToInt64# i#))
530 fromInteger (J# s# d#) = W64# (integerToWord64# s# d#)
532 instance Enum Word64 where
534 | x /= maxBound = x + 1
535 | otherwise = succError "Word64"
537 | x /= minBound = x - 1
538 | otherwise = predError "Word64"
540 | i >= 0 = W64# (wordToWord64# (int2Word# i#))
541 | otherwise = toEnumError "Word64" i (minBound::Word64, maxBound::Word64)
543 | x <= fromIntegral (maxBound::Int)
544 = I# (word2Int# (word64ToWord# x#))
545 | otherwise = fromEnumError "Word64" x
546 enumFrom = integralEnumFrom
547 enumFromThen = integralEnumFromThen
549 instance Integral Word64 where
550 quot x@(W64# x#) y@(W64# y#)
551 | y /= 0 = W64# (x# `quotWord64#` y#)
552 | otherwise = divZeroError "quot{Word64}" x
553 rem x@(W64# x#) y@(W64# y#)
554 | y /= 0 = W64# (x# `remWord64#` y#)
555 | otherwise = divZeroError "rem{Word64}" x
556 div x@(W64# x#) y@(W64# y#)
557 | y /= 0 = W64# (x# `quotWord64#` y#)
558 | otherwise = divZeroError "div{Word64}" x
559 mod x@(W64# x#) y@(W64# y#)
560 | y /= 0 = W64# (x# `remWord64#` y#)
561 | otherwise = divZeroError "mod{Word64}" x
562 quotRem x@(W64# x#) y@(W64# y#)
563 | y /= 0 = (W64# (x# `quotWord64#` y#), W64# (x# `remWord64#` y#))
564 | otherwise = divZeroError "quotRem{Word64}" x
565 divMod x@(W64# x#) y@(W64# y#)
566 | y /= 0 = (W64# (x# `quotWord64#` y#), W64# (x# `remWord64#` y#))
567 | otherwise = divZeroError "quotRem{Word64}" x
568 toInteger x@(W64# x#)
569 | x <= 0x7FFFFFFF = S# (word2Int# (word64ToWord# x#))
570 | otherwise = case word64ToInteger# x# of (# s, d #) -> J# s d
572 instance Bits Word64 where
573 (W64# x#) .&. (W64# y#) = W64# (x# `and64#` y#)
574 (W64# x#) .|. (W64# y#) = W64# (x# `or64#` y#)
575 (W64# x#) `xor` (W64# y#) = W64# (x# `xor64#` y#)
576 complement (W64# x#) = W64# (not64# x#)
577 (W64# x#) `shift` (I# i#)
578 | i# >=# 0# = W64# (x# `shiftL64#` i#)
579 | otherwise = W64# (x# `shiftRL64#` negateInt# i#)
580 (W64# x#) `rotate` (I# i#) = W64# ((x# `shiftL64#` i'#) `or64#`
581 (x# `shiftRL64#` (64# -# i'#)))
583 i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
587 foreign import "stg_eqWord64" unsafe eqWord64# :: Word64# -> Word64# -> Bool
588 foreign import "stg_neWord64" unsafe neWord64# :: Word64# -> Word64# -> Bool
589 foreign import "stg_ltWord64" unsafe ltWord64# :: Word64# -> Word64# -> Bool
590 foreign import "stg_leWord64" unsafe leWord64# :: Word64# -> Word64# -> Bool
591 foreign import "stg_gtWord64" unsafe gtWord64# :: Word64# -> Word64# -> Bool
592 foreign import "stg_geWord64" unsafe geWord64# :: Word64# -> Word64# -> Bool
593 foreign import "stg_int64ToWord64" unsafe int64ToWord64# :: Int64# -> Word64#
594 foreign import "stg_word64ToInt64" unsafe word64ToInt64# :: Word64# -> Int64#
595 foreign import "stg_plusInt64" unsafe plusInt64# :: Int64# -> Int64# -> Int64#
596 foreign import "stg_minusInt64" unsafe minusInt64# :: Int64# -> Int64# -> Int64#
597 foreign import "stg_timesInt64" unsafe timesInt64# :: Int64# -> Int64# -> Int64#
598 foreign import "stg_negateInt64" unsafe negateInt64# :: Int64# -> Int64#
599 foreign import "stg_intToInt64" unsafe intToInt64# :: Int# -> Int64#
600 foreign import "stg_wordToWord64" unsafe wordToWord64# :: Word# -> Word64#
601 foreign import "stg_word64ToWord" unsafe word64ToWord# :: Word64# -> Word#
602 foreign import "stg_quotWord64" unsafe quotWord64# :: Word64# -> Word64# -> Word64#
603 foreign import "stg_remWord64" unsafe remWord64# :: Word64# -> Word64# -> Word64#
604 foreign import "stg_and64" unsafe and64# :: Word64# -> Word64# -> Word64#
605 foreign import "stg_or64" unsafe or64# :: Word64# -> Word64# -> Word64#
606 foreign import "stg_xor64" unsafe xor64# :: Word64# -> Word64# -> Word64#
607 foreign import "stg_not64" unsafe not64# :: Word64# -> Word64#
608 foreign import "stg_shiftL64" unsafe shiftL64# :: Word64# -> Int# -> Word64#
609 foreign import "stg_shiftRL64" unsafe shiftRL64# :: Word64# -> Int# -> Word64#
612 "fromIntegral/Int->Word64" fromIntegral = \(I# x#) -> W64# (int64ToWord64# (intToInt64# x#))
613 "fromIntegral/Word->Word64" fromIntegral = \(W# x#) -> W64# (wordToWord64# x#)
614 "fromIntegral/Word64->Int" fromIntegral = \(W64# x#) -> I# (word2Int# (word64ToWord# x#))
615 "fromIntegral/Word64->Word" fromIntegral = \(W64# x#) -> W# (word64ToWord# x#)
616 "fromIntegral/Word64->Word64" fromIntegral = id :: Word64 -> Word64
621 data Word32 = W64# Word# deriving (Eq, Ord)
623 instance Num Word64 where
624 (W64# x#) + (W64# y#) = W64# (x# `plusWord#` y#)
625 (W64# x#) - (W64# y#) = W64# (x# `minusWord#` y#)
626 (W64# x#) * (W64# y#) = W64# (x# `timesWord#` y#)
627 negate (W64# x#) = W64# (int2Word# (negateInt# (word2Int# x#)))
631 fromInteger (S# i#) = W64# (int2Word# i#)
632 fromInteger (J# s# d#) = W64# (integer2Word# s# d#)
634 instance Enum Word64 where
636 | x /= maxBound = x + 1
637 | otherwise = succError "Word64"
639 | x /= minBound = x - 1
640 | otherwise = predError "Word64"
642 | i >= 0 = W64# (int2Word# i#)
643 | otherwise = toEnumError "Word64" i (minBound::Word64, maxBound::Word64)
645 | x <= fromIntegral (maxBound::Int)
647 | otherwise = fromEnumError "Word64" x
648 enumFrom = integralEnumFrom
649 enumFromThen = integralEnumFromThen
651 instance Integral Word64 where
652 quot x@(W64# x#) y@(W64# y#)
653 | y /= 0 = W64# (x# `quotWord#` y#)
654 | otherwise = divZeroError "quot{Word64}" x
655 rem x@(W64# x#) y@(W64# y#)
656 | y /= 0 = W64# (x# `remWord#` y#)
657 | otherwise = divZeroError "rem{Word64}" x
658 div x@(W64# x#) y@(W64# y#)
659 | y /= 0 = W64# (x# `quotWord#` y#)
660 | otherwise = divZeroError "div{Word64}" x
661 mod x@(W64# x#) y@(W64# y#)
662 | y /= 0 = W64# (x# `remWord#` y#)
663 | otherwise = divZeroError "mod{Word64}" x
664 quotRem x@(W64# x#) y@(W64# y#)
665 | y /= 0 = (W64# (x# `quotWord#` y#), W64# (x# `remWord#` y#))
666 | otherwise = divZeroError "quotRem{Word64}" x
667 divMod x@(W64# x#) y@(W64# y#)
668 | y /= 0 = (W64# (x# `quotWord#` y#), W64# (x# `remWord#` y#))
669 | otherwise = divZeroError "quotRem{Word64}" x
672 | otherwise = case word2Integer# x# of (# s, d #) -> J# s d
676 instance Bits Word64 where
677 (W64# x#) .&. (W64# y#) = W64# (x# `and#` y#)
678 (W64# x#) .|. (W64# y#) = W64# (x# `or#` y#)
679 (W64# x#) `xor` (W64# y#) = W64# (x# `xor#` y#)
680 complement (W64# x#) = W64# (x# `xor#` mb#) where W64# mb# = maxBound
681 (W64# x#) `shift` (I# i#)
682 | i# >=# 0# = W64# (x# `shiftL#` i#)
683 | otherwise = W64# (x# `shiftRL#` negateInt# i#)
684 (W64# x#) `rotate` (I# i#) = W64# ((x# `shiftL#` i'#) `or#`
685 (x# `shiftRL#` (64# -# i'#)))
687 i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
692 "fromIntegral/a->Word64" fromIntegral = \x -> case fromIntegral x of W# x# -> W64# x#
693 "fromIntegral/Word64->a" fromIntegral = \(W64# x#) -> fromIntegral (W# x#)
698 instance CCallable Word64
699 instance CReturnable Word64
701 instance Show Word64 where
702 showsPrec p x = showsPrec p (toInteger x)
704 instance Real Word64 where
705 toRational x = toInteger x % 1
707 instance Bounded Word64 where
709 maxBound = 0xFFFFFFFFFFFFFFFF
711 instance Ix Word64 where
714 | inRange b i = fromIntegral (i - m)
715 | otherwise = indexError b i "Word64"
716 inRange (m,n) i = m <= i && i <= n
718 instance Read Word64 where
719 readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]