2 % (c) The University of Glasgow, 1997-2001
4 \section[PrelInt]{Module @PrelInt@}
7 {-# OPTIONS -fno-implicit-prelude #-}
12 Int8(..), Int16(..), Int32(..), Int64(..))
25 ------------------------------------------------------------------------
27 ------------------------------------------------------------------------
29 -- Int8 is represented in the same way as Int. Operations may assume
30 -- and must ensure that it holds only values from its logical range.
32 data Int8 = I8# Int# deriving (Eq, Ord)
34 instance CCallable Int8
35 instance CReturnable Int8
37 instance Show Int8 where
38 showsPrec p x = showsPrec p (fromIntegral x :: Int)
40 instance Num Int8 where
41 (I8# x#) + (I8# y#) = I8# (narrow8Int# (x# +# y#))
42 (I8# x#) - (I8# y#) = I8# (narrow8Int# (x# -# y#))
43 (I8# x#) * (I8# y#) = I8# (narrow8Int# (x# *# y#))
44 negate (I8# x#) = I8# (narrow8Int# (negateInt# x#))
46 | otherwise = negate x
50 fromInteger (S# i#) = I8# (narrow8Int# i#)
51 fromInteger (J# s# d#) = I8# (narrow8Int# (integer2Int# s# d#))
53 instance Real Int8 where
54 toRational x = toInteger x % 1
56 instance Enum Int8 where
58 | x /= maxBound = x + 1
59 | otherwise = succError "Int8"
61 | x /= minBound = x - 1
62 | otherwise = predError "Int8"
64 | i >= fromIntegral (minBound::Int8) && i <= fromIntegral (maxBound::Int8)
66 | otherwise = toEnumError "Int8" i (minBound::Int8, maxBound::Int8)
67 fromEnum (I8# x#) = I# x#
68 enumFrom = boundedEnumFrom
69 enumFromThen = boundedEnumFromThen
71 instance Integral Int8 where
72 quot x@(I8# x#) y@(I8# y#)
73 | y /= 0 = I8# (narrow8Int# (x# `quotInt#` y#))
74 | otherwise = divZeroError "quot{Int8}" x
75 rem x@(I8# x#) y@(I8# y#)
76 | y /= 0 = I8# (narrow8Int# (x# `remInt#` y#))
77 | otherwise = divZeroError "rem{Int8}" x
78 div x@(I8# x#) y@(I8# y#)
79 | y /= 0 = I8# (narrow8Int# (x# `divInt#` y#))
80 | otherwise = divZeroError "div{Int8}" x
81 mod x@(I8# x#) y@(I8# y#)
82 | y /= 0 = I8# (narrow8Int# (x# `modInt#` y#))
83 | otherwise = divZeroError "mod{Int8}" x
84 quotRem x@(I8# x#) y@(I8# y#)
85 | y /= 0 = (I8# (narrow8Int# (x# `quotInt#` y#)),
86 I8# (narrow8Int# (x# `remInt#` y#)))
87 | otherwise = divZeroError "quotRem{Int8}" x
88 divMod x@(I8# x#) y@(I8# y#)
89 | y /= 0 = (I8# (narrow8Int# (x# `divInt#` y#)),
90 I8# (narrow8Int# (x# `modInt#` y#)))
91 | otherwise = divZeroError "divMod{Int8}" x
92 toInteger (I8# x#) = S# x#
94 instance Bounded Int8 where
98 instance Ix Int8 where
100 unsafeIndex b@(m,_) i = fromIntegral (i - m)
101 inRange (m,n) i = m <= i && i <= n
102 unsafeRangeSize b@(_l,h) = unsafeIndex b h + 1
104 instance Read Int8 where
105 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
107 instance Bits Int8 where
108 (I8# x#) .&. (I8# y#) = I8# (word2Int# (int2Word# x# `and#` int2Word# y#))
109 (I8# x#) .|. (I8# y#) = I8# (word2Int# (int2Word# x# `or#` int2Word# y#))
110 (I8# x#) `xor` (I8# y#) = I8# (word2Int# (int2Word# x# `xor#` int2Word# y#))
111 complement (I8# x#) = I8# (word2Int# (int2Word# x# `xor#` int2Word# (-1#)))
112 (I8# x#) `shift` (I# i#)
115 | i# ># 0# = I8# (narrow8Int# (x# `uncheckedIShiftL#` i#))
116 | i# <=# -8# = I8# (if x# <# 0# then -1# else 0#)
117 | otherwise = I8# (x# `uncheckedIShiftRA#` negateInt# i#)
118 (I8# x#) `rotate` (I# i#)
122 = I8# (narrow8Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
123 (x'# `uncheckedShiftRL#` (8# -# i'#)))))
125 x'# = narrow8Word# (int2Word# x#)
126 i'# = word2Int# (int2Word# i# `and#` int2Word# 7#)
131 "fromIntegral/Int8->Int8" fromIntegral = id :: Int8 -> Int8
132 "fromIntegral/a->Int8" fromIntegral = \x -> case fromIntegral x of I# x# -> I8# (narrow8Int# x#)
133 "fromIntegral/Int8->a" fromIntegral = \(I8# x#) -> fromIntegral (I# x#)
136 ------------------------------------------------------------------------
138 ------------------------------------------------------------------------
140 -- Int16 is represented in the same way as Int. Operations may assume
141 -- and must ensure that it holds only values from its logical range.
143 data Int16 = I16# Int# deriving (Eq, Ord)
145 instance CCallable Int16
146 instance CReturnable Int16
148 instance Show Int16 where
149 showsPrec p x = showsPrec p (fromIntegral x :: Int)
151 instance Num Int16 where
152 (I16# x#) + (I16# y#) = I16# (narrow16Int# (x# +# y#))
153 (I16# x#) - (I16# y#) = I16# (narrow16Int# (x# -# y#))
154 (I16# x#) * (I16# y#) = I16# (narrow16Int# (x# *# y#))
155 negate (I16# x#) = I16# (narrow16Int# (negateInt# x#))
157 | otherwise = negate x
161 fromInteger (S# i#) = I16# (narrow16Int# i#)
162 fromInteger (J# s# d#) = I16# (narrow16Int# (integer2Int# s# d#))
164 instance Real Int16 where
165 toRational x = toInteger x % 1
167 instance Enum Int16 where
169 | x /= maxBound = x + 1
170 | otherwise = succError "Int16"
172 | x /= minBound = x - 1
173 | otherwise = predError "Int16"
175 | i >= fromIntegral (minBound::Int16) && i <= fromIntegral (maxBound::Int16)
177 | otherwise = toEnumError "Int16" i (minBound::Int16, maxBound::Int16)
178 fromEnum (I16# x#) = I# x#
179 enumFrom = boundedEnumFrom
180 enumFromThen = boundedEnumFromThen
182 instance Integral Int16 where
183 quot x@(I16# x#) y@(I16# y#)
184 | y /= 0 = I16# (narrow16Int# (x# `quotInt#` y#))
185 | otherwise = divZeroError "quot{Int16}" x
186 rem x@(I16# x#) y@(I16# y#)
187 | y /= 0 = I16# (narrow16Int# (x# `remInt#` y#))
188 | otherwise = divZeroError "rem{Int16}" x
189 div x@(I16# x#) y@(I16# y#)
190 | y /= 0 = I16# (narrow16Int# (x# `divInt#` y#))
191 | otherwise = divZeroError "div{Int16}" x
192 mod x@(I16# x#) y@(I16# y#)
193 | y /= 0 = I16# (narrow16Int# (x# `modInt#` y#))
194 | otherwise = divZeroError "mod{Int16}" x
195 quotRem x@(I16# x#) y@(I16# y#)
196 | y /= 0 = (I16# (narrow16Int# (x# `quotInt#` y#)),
197 I16# (narrow16Int# (x# `remInt#` y#)))
198 | otherwise = divZeroError "quotRem{Int16}" x
199 divMod x@(I16# x#) y@(I16# y#)
200 | y /= 0 = (I16# (narrow16Int# (x# `divInt#` y#)),
201 I16# (narrow16Int# (x# `modInt#` y#)))
202 | otherwise = divZeroError "divMod{Int16}" x
203 toInteger (I16# x#) = S# x#
205 instance Bounded Int16 where
209 instance Ix Int16 where
211 unsafeIndex b@(m,_) i = fromIntegral (i - m)
212 inRange (m,n) i = m <= i && i <= n
213 unsafeRangeSize b@(_l,h) = unsafeIndex b h + 1
215 instance Read Int16 where
216 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
218 instance Bits Int16 where
219 (I16# x#) .&. (I16# y#) = I16# (word2Int# (int2Word# x# `and#` int2Word# y#))
220 (I16# x#) .|. (I16# y#) = I16# (word2Int# (int2Word# x# `or#` int2Word# y#))
221 (I16# x#) `xor` (I16# y#) = I16# (word2Int# (int2Word# x# `xor#` int2Word# y#))
222 complement (I16# x#) = I16# (word2Int# (int2Word# x# `xor#` int2Word# (-1#)))
223 (I16# x#) `shift` (I# i#)
224 | i# ==# 0# = I16# x#
225 | i# >=# 16# = I16# 0#
226 | i# ># 0# = I16# (narrow16Int# (x# `uncheckedIShiftL#` i#))
227 | i# <=# -16# = I16# (if x# <# 0# then -1# else 0#)
228 | otherwise = I16# (x# `uncheckedIShiftRA#` negateInt# i#)
229 (I16# x#) `rotate` (I# i#)
233 = I16# (narrow16Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
234 (x'# `uncheckedShiftRL#` (16# -# i'#)))))
236 x'# = narrow16Word# (int2Word# x#)
237 i'# = word2Int# (int2Word# i# `and#` int2Word# 15#)
242 "fromIntegral/Word8->Int16" fromIntegral = \(W8# x#) -> I16# (word2Int# x#)
243 "fromIntegral/Int8->Int16" fromIntegral = \(I8# x#) -> I16# x#
244 "fromIntegral/Int16->Int16" fromIntegral = id :: Int16 -> Int16
245 "fromIntegral/a->Int16" fromIntegral = \x -> case fromIntegral x of I# x# -> I16# (narrow16Int# x#)
246 "fromIntegral/Int16->a" fromIntegral = \(I16# x#) -> fromIntegral (I# x#)
249 ------------------------------------------------------------------------
251 ------------------------------------------------------------------------
253 #if WORD_SIZE_IN_BITS < 32
255 data Int32 = I32# Int32#
257 instance Eq Int32 where
258 (I32# x#) == (I32# y#) = x# `eqInt32#` y#
259 (I32# x#) /= (I32# y#) = x# `neInt32#` y#
261 instance Ord Int32 where
262 (I32# x#) < (I32# y#) = x# `ltInt32#` y#
263 (I32# x#) <= (I32# y#) = x# `leInt32#` y#
264 (I32# x#) > (I32# y#) = x# `gtInt32#` y#
265 (I32# x#) >= (I32# y#) = x# `geInt32#` y#
267 instance Show Int32 where
268 showsPrec p x = showsPrec p (toInteger x)
270 instance Num Int32 where
271 (I32# x#) + (I32# y#) = I32# (x# `plusInt32#` y#)
272 (I32# x#) - (I32# y#) = I32# (x# `minusInt32#` y#)
273 (I32# x#) * (I32# y#) = I32# (x# `timesInt32#` y#)
274 negate (I32# x#) = I32# (negateInt32# x#)
276 | otherwise = negate x
280 fromInteger (S# i#) = I32# (intToInt32# i#)
281 fromInteger (J# s# d#) = I32# (integerToInt32# s# d#)
283 instance Enum Int32 where
285 | x /= maxBound = x + 1
286 | otherwise = succError "Int32"
288 | x /= minBound = x - 1
289 | otherwise = predError "Int32"
290 toEnum (I# i#) = I32# (intToInt32# i#)
292 | x >= fromIntegral (minBound::Int) && x <= fromIntegral (maxBound::Int)
293 = I# (int32ToInt# x#)
294 | otherwise = fromEnumError "Int32" x
295 enumFrom = integralEnumFrom
296 enumFromThen = integralEnumFromThen
297 enumFromTo = integralEnumFromTo
298 enumFromThenTo = integralEnumFromThenTo
300 instance Integral Int32 where
301 quot x@(I32# x#) y@(I32# y#)
302 | y /= 0 = I32# (x# `quotInt32#` y#)
303 | otherwise = divZeroError "quot{Int32}" x
304 rem x@(I32# x#) y@(I32# y#)
305 | y /= 0 = I32# (x# `remInt32#` y#)
306 | otherwise = divZeroError "rem{Int32}" x
307 div x@(I32# x#) y@(I32# y#)
308 | y /= 0 = I32# (x# `divInt32#` y#)
309 | otherwise = divZeroError "div{Int32}" x
310 mod x@(I32# x#) y@(I32# y#)
311 | y /= 0 = I32# (x# `modInt32#` y#)
312 | otherwise = divZeroError "mod{Int32}" x
313 quotRem x@(I32# x#) y@(I32# y#)
314 | y /= 0 = (I32# (x# `quotInt32#` y#), I32# (x# `remInt32#` y#))
315 | otherwise = divZeroError "quotRem{Int32}" x
316 divMod x@(I32# x#) y@(I32# y#)
317 | y /= 0 = (I32# (x# `divInt32#` y#), I32# (x# `modInt32#` y#))
318 | otherwise = divZeroError "divMod{Int32}" x
319 toInteger x@(I32# x#)
320 | x >= fromIntegral (minBound::Int) && x <= fromIntegral (maxBound::Int)
321 = S# (int32ToInt# x#)
322 | otherwise = case int32ToInteger# x# of (# s, d #) -> J# s d
324 divInt32#, modInt32# :: Int32# -> Int32# -> Int32#
326 | (x# `gtInt32#` intToInt32# 0#) && (y# `ltInt32#` intToInt32# 0#)
327 = ((x# `minusInt32#` y#) `minusInt32#` intToInt32# 1#) `quotInt32#` y#
328 | (x# `ltInt32#` intToInt32# 0#) && (y# `gtInt32#` intToInt32# 0#)
329 = ((x# `minusInt32#` y#) `plusInt32#` intToInt32# 1#) `quotInt32#` y#
330 | otherwise = x# `quotInt32#` y#
332 | (x# `gtInt32#` intToInt32# 0#) && (y# `ltInt32#` intToInt32# 0#) ||
333 (x# `ltInt32#` intToInt32# 0#) && (y# `gtInt32#` intToInt32# 0#)
334 = if r# `neInt32#` intToInt32# 0# then r# `plusInt32#` y# else intToInt32# 0#
337 r# = x# `remInt32#` y#
339 instance Read Int32 where
340 readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]
342 instance Bits Int32 where
343 (I32# x#) .&. (I32# y#) = I32# (word32ToInt32# (int32ToWord32# x# `and32#` int32ToWord32# y#))
344 (I32# x#) .|. (I32# y#) = I32# (word32ToInt32# (int32ToWord32# x# `or32#` int32ToWord32# y#))
345 (I32# x#) `xor` (I32# y#) = I32# (word32ToInt32# (int32ToWord32# x# `xor32#` int32ToWord32# y#))
346 complement (I32# x#) = I32# (word32ToInt32# (not32# (int32ToWord32# x#)))
347 (I32# x#) `shift` (I# i#)
348 | i# ==# 0# = I32# x#
349 | i# >=# 32# = I32# 0#
350 | i# ># 0# = I32# (x# `uncheckedIShiftL32#` i#)
351 | i# <=# -32# = I32# (if x# <# 0# then -1# else 0#)
352 | otherwise = I32# (x# `uncheckedIShiftRA32#` negateInt# i#)
353 (I32# x#) `rotate` (I# i#)
357 = I32# (word32ToInt32# ((x'# `uncheckedShiftL32#` i'#) `or32#`
358 (x'# `uncheckedShiftRL32#` (32# -# i'#))))
360 x'# = int32ToWord32# x#
361 i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
365 foreign import "stg_eqInt32" unsafe eqInt32# :: Int32# -> Int32# -> Bool
366 foreign import "stg_neInt32" unsafe neInt32# :: Int32# -> Int32# -> Bool
367 foreign import "stg_ltInt32" unsafe ltInt32# :: Int32# -> Int32# -> Bool
368 foreign import "stg_leInt32" unsafe leInt32# :: Int32# -> Int32# -> Bool
369 foreign import "stg_gtInt32" unsafe gtInt32# :: Int32# -> Int32# -> Bool
370 foreign import "stg_geInt32" unsafe geInt32# :: Int32# -> Int32# -> Bool
371 foreign import "stg_plusInt32" unsafe plusInt32# :: Int32# -> Int32# -> Int32#
372 foreign import "stg_minusInt32" unsafe minusInt32# :: Int32# -> Int32# -> Int32#
373 foreign import "stg_timesInt32" unsafe timesInt32# :: Int32# -> Int32# -> Int32#
374 foreign import "stg_negateInt32" unsafe negateInt32# :: Int32# -> Int32#
375 foreign import "stg_quotInt32" unsafe quotInt32# :: Int32# -> Int32# -> Int32#
376 foreign import "stg_remInt32" unsafe remInt32# :: Int32# -> Int32# -> Int32#
377 foreign import "stg_intToInt32" unsafe intToInt32# :: Int# -> Int32#
378 foreign import "stg_int32ToInt" unsafe int32ToInt# :: Int32# -> Int#
379 foreign import "stg_wordToWord32" unsafe wordToWord32# :: Word# -> Word32#
380 foreign import "stg_int32ToWord32" unsafe int32ToWord32# :: Int32# -> Word32#
381 foreign import "stg_word32ToInt32" unsafe word32ToInt32# :: Word32# -> Int32#
382 foreign import "stg_and32" unsafe and32# :: Word32# -> Word32# -> Word32#
383 foreign import "stg_or32" unsafe or32# :: Word32# -> Word32# -> Word32#
384 foreign import "stg_xor32" unsafe xor32# :: Word32# -> Word32# -> Word32#
385 foreign import "stg_not32" unsafe not32# :: Word32# -> Word32#
386 foreign import "stg_uncheckedIShiftL32" unsafe uncheckedIShiftL32# :: Int32# -> Int# -> Int32#
387 foreign import "stg_uncheckedIShiftRA32" unsafe uncheckedIShiftRA32# :: Int32# -> Int# -> Int32#
388 foreign import "stg_uncheckedShiftL32" unsafe uncheckedShiftL32# :: Word32# -> Int# -> Word32#
389 foreign import "stg_uncheckedShiftRL32" unsafe uncheckedShiftRL32# :: Word32# -> Int# -> Word32#
392 "fromIntegral/Int->Int32" fromIntegral = \(I# x#) -> I32# (intToInt32# x#)
393 "fromIntegral/Word->Int32" fromIntegral = \(W# x#) -> I32# (word32ToInt32# (wordToWord32# x#))
394 "fromIntegral/Word32->Int32" fromIntegral = \(W32# x#) -> I32# (word32ToInt32# x#)
395 "fromIntegral/Int32->Int" fromIntegral = \(I32# x#) -> I# (int32ToInt# x#)
396 "fromIntegral/Int32->Word" fromIntegral = \(I32# x#) -> W# (int2Word# (int32ToInt# x#))
397 "fromIntegral/Int32->Word32" fromIntegral = \(I32# x#) -> W32# (int32ToWord32# x#)
398 "fromIntegral/Int32->Int32" fromIntegral = id :: Int32 -> Int32
403 -- Int32 is represented in the same way as Int.
404 #if WORD_SIZE_IN_BITS > 32
405 -- Operations may assume and must ensure that it holds only values
406 -- from its logical range.
409 data Int32 = I32# Int# deriving (Eq, Ord)
411 instance Show Int32 where
412 showsPrec p x = showsPrec p (fromIntegral x :: Int)
414 instance Num Int32 where
415 (I32# x#) + (I32# y#) = I32# (narrow32Int# (x# +# y#))
416 (I32# x#) - (I32# y#) = I32# (narrow32Int# (x# -# y#))
417 (I32# x#) * (I32# y#) = I32# (narrow32Int# (x# *# y#))
418 negate (I32# x#) = I32# (narrow32Int# (negateInt# x#))
420 | otherwise = negate x
424 fromInteger (S# i#) = I32# (narrow32Int# i#)
425 fromInteger (J# s# d#) = I32# (narrow32Int# (integer2Int# s# d#))
427 instance Enum Int32 where
429 | x /= maxBound = x + 1
430 | otherwise = succError "Int32"
432 | x /= minBound = x - 1
433 | otherwise = predError "Int32"
434 #if WORD_SIZE_IN_BITS == 32
435 toEnum (I# i#) = I32# i#
438 | i >= fromIntegral (minBound::Int32) && i <= fromIntegral (maxBound::Int32)
440 | otherwise = toEnumError "Int32" i (minBound::Int32, maxBound::Int32)
442 fromEnum (I32# x#) = I# x#
443 enumFrom = boundedEnumFrom
444 enumFromThen = boundedEnumFromThen
446 instance Integral Int32 where
447 quot x@(I32# x#) y@(I32# y#)
448 | y /= 0 = I32# (narrow32Int# (x# `quotInt#` y#))
449 | otherwise = divZeroError "quot{Int32}" x
450 rem x@(I32# x#) y@(I32# y#)
451 | y /= 0 = I32# (narrow32Int# (x# `remInt#` y#))
452 | otherwise = divZeroError "rem{Int32}" x
453 div x@(I32# x#) y@(I32# y#)
454 | y /= 0 = I32# (narrow32Int# (x# `divInt#` y#))
455 | otherwise = divZeroError "div{Int32}" x
456 mod x@(I32# x#) y@(I32# y#)
457 | y /= 0 = I32# (narrow32Int# (x# `modInt#` y#))
458 | otherwise = divZeroError "mod{Int32}" x
459 quotRem x@(I32# x#) y@(I32# y#)
460 | y /= 0 = (I32# (narrow32Int# (x# `quotInt#` y#)),
461 I32# (narrow32Int# (x# `remInt#` y#)))
462 | otherwise = divZeroError "quotRem{Int32}" x
463 divMod x@(I32# x#) y@(I32# y#)
464 | y /= 0 = (I32# (narrow32Int# (x# `divInt#` y#)),
465 I32# (narrow32Int# (x# `modInt#` y#)))
466 | otherwise = divZeroError "divMod{Int32}" x
467 toInteger (I32# x#) = S# x#
469 instance Read Int32 where
470 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
472 instance Bits Int32 where
473 (I32# x#) .&. (I32# y#) = I32# (word2Int# (int2Word# x# `and#` int2Word# y#))
474 (I32# x#) .|. (I32# y#) = I32# (word2Int# (int2Word# x# `or#` int2Word# y#))
475 (I32# x#) `xor` (I32# y#) = I32# (word2Int# (int2Word# x# `xor#` int2Word# y#))
476 complement (I32# x#) = I32# (word2Int# (int2Word# x# `xor#` int2Word# (-1#)))
477 (I32# x#) `shift` (I# i#)
478 | i# ==# 0# = I32# x#
479 | i# >=# 32# = I32# 0#
480 | i# ># 0# = I32# (narrow32Int# (x# `uncheckedIShiftL#` i#))
481 | i# <=# -32# = I32# (if x# <# 0# then -1# else 0#)
482 | otherwise = I32# (x# `uncheckedIShiftRA#` negateInt# i#)
483 (I32# x#) `rotate` (I# i#)
487 = I32# (narrow32Int# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
488 (x'# `uncheckedShiftRL#` (32# -# i'#)))))
490 x'# = narrow32Word# (int2Word# x#)
491 i'# = word2Int# (int2Word# i# `and#` int2Word# 31#)
496 "fromIntegral/Word8->Int32" fromIntegral = \(W8# x#) -> I32# (word2Int# x#)
497 "fromIntegral/Word16->Int32" fromIntegral = \(W16# x#) -> I32# (word2Int# x#)
498 "fromIntegral/Int8->Int32" fromIntegral = \(I8# x#) -> I32# x#
499 "fromIntegral/Int16->Int32" fromIntegral = \(I16# x#) -> I32# x#
500 "fromIntegral/Int32->Int32" fromIntegral = id :: Int32 -> Int32
501 "fromIntegral/a->Int32" fromIntegral = \x -> case fromIntegral x of I# x# -> I32# (narrow32Int# x#)
502 "fromIntegral/Int32->a" fromIntegral = \(I32# x#) -> fromIntegral (I# x#)
507 instance CCallable Int32
508 instance CReturnable Int32
510 instance Real Int32 where
511 toRational x = toInteger x % 1
513 instance Bounded Int32 where
514 minBound = -0x80000000
515 maxBound = 0x7FFFFFFF
517 instance Ix Int32 where
519 unsafeIndex b@(m,_) i = fromIntegral (i - m)
520 inRange (m,n) i = m <= i && i <= n
521 unsafeRangeSize b@(_l,h) = unsafeIndex b h + 1
523 ------------------------------------------------------------------------
525 ------------------------------------------------------------------------
527 #if WORD_SIZE_IN_BITS < 64
529 data Int64 = I64# Int64#
531 instance Eq Int64 where
532 (I64# x#) == (I64# y#) = x# `eqInt64#` y#
533 (I64# x#) /= (I64# y#) = x# `neInt64#` y#
535 instance Ord Int64 where
536 (I64# x#) < (I64# y#) = x# `ltInt64#` y#
537 (I64# x#) <= (I64# y#) = x# `leInt64#` y#
538 (I64# x#) > (I64# y#) = x# `gtInt64#` y#
539 (I64# x#) >= (I64# y#) = x# `geInt64#` y#
541 instance Show Int64 where
542 showsPrec p x = showsPrec p (toInteger x)
544 instance Num Int64 where
545 (I64# x#) + (I64# y#) = I64# (x# `plusInt64#` y#)
546 (I64# x#) - (I64# y#) = I64# (x# `minusInt64#` y#)
547 (I64# x#) * (I64# y#) = I64# (x# `timesInt64#` y#)
548 negate (I64# x#) = I64# (negateInt64# x#)
550 | otherwise = negate x
554 fromInteger (S# i#) = I64# (intToInt64# i#)
555 fromInteger (J# s# d#) = I64# (integerToInt64# s# d#)
557 instance Enum Int64 where
559 | x /= maxBound = x + 1
560 | otherwise = succError "Int64"
562 | x /= minBound = x - 1
563 | otherwise = predError "Int64"
564 toEnum (I# i#) = I64# (intToInt64# i#)
566 | x >= fromIntegral (minBound::Int) && x <= fromIntegral (maxBound::Int)
567 = I# (int64ToInt# x#)
568 | otherwise = fromEnumError "Int64" x
569 enumFrom = integralEnumFrom
570 enumFromThen = integralEnumFromThen
571 enumFromTo = integralEnumFromTo
572 enumFromThenTo = integralEnumFromThenTo
574 instance Integral Int64 where
575 quot x@(I64# x#) y@(I64# y#)
576 | y /= 0 = I64# (x# `quotInt64#` y#)
577 | otherwise = divZeroError "quot{Int64}" x
578 rem x@(I64# x#) y@(I64# y#)
579 | y /= 0 = I64# (x# `remInt64#` y#)
580 | otherwise = divZeroError "rem{Int64}" x
581 div x@(I64# x#) y@(I64# y#)
582 | y /= 0 = I64# (x# `divInt64#` y#)
583 | otherwise = divZeroError "div{Int64}" x
584 mod x@(I64# x#) y@(I64# y#)
585 | y /= 0 = I64# (x# `modInt64#` y#)
586 | otherwise = divZeroError "mod{Int64}" x
587 quotRem x@(I64# x#) y@(I64# y#)
588 | y /= 0 = (I64# (x# `quotInt64#` y#), I64# (x# `remInt64#` y#))
589 | otherwise = divZeroError "quotRem{Int64}" x
590 divMod x@(I64# x#) y@(I64# y#)
591 | y /= 0 = (I64# (x# `divInt64#` y#), I64# (x# `modInt64#` y#))
592 | otherwise = divZeroError "divMod{Int64}" x
593 toInteger x@(I64# x#)
594 | x >= fromIntegral (minBound::Int) && x <= fromIntegral (maxBound::Int)
595 = S# (int64ToInt# x#)
596 | otherwise = case int64ToInteger# x# of (# s, d #) -> J# s d
599 divInt64#, modInt64# :: Int64# -> Int64# -> Int64#
601 | (x# `gtInt64#` intToInt64# 0#) && (y# `ltInt64#` intToInt64# 0#)
602 = ((x# `minusInt64#` y#) `minusInt64#` intToInt64# 1#) `quotInt64#` y#
603 | (x# `ltInt64#` intToInt64# 0#) && (y# `gtInt64#` intToInt64# 0#)
604 = ((x# `minusInt64#` y#) `plusInt64#` intToInt64# 1#) `quotInt64#` y#
605 | otherwise = x# `quotInt64#` y#
607 | (x# `gtInt64#` intToInt64# 0#) && (y# `ltInt64#` intToInt64# 0#) ||
608 (x# `ltInt64#` intToInt64# 0#) && (y# `gtInt64#` intToInt64# 0#)
609 = if r# `neInt64#` intToInt64# 0# then r# `plusInt64#` y# else intToInt64# 0#
612 r# = x# `remInt64#` y#
614 instance Read Int64 where
615 readsPrec p s = [(fromInteger x, r) | (x, r) <- readsPrec p s]
617 instance Bits Int64 where
618 (I64# x#) .&. (I64# y#) = I64# (word64ToInt64# (int64ToWord64# x# `and64#` int64ToWord64# y#))
619 (I64# x#) .|. (I64# y#) = I64# (word64ToInt64# (int64ToWord64# x# `or64#` int64ToWord64# y#))
620 (I64# x#) `xor` (I64# y#) = I64# (word64ToInt64# (int64ToWord64# x# `xor64#` int64ToWord64# y#))
621 complement (I64# x#) = I64# (word64ToInt64# (not64# (int64ToWord64# x#)))
622 (I64# x#) `shift` (I# i#)
623 | i# ==# 0# = I64# x#
625 | i# ># 0# = I64# (x# `uncheckedIShiftL64#` i#)
626 | i# <=# -64# = if (I64# x#) < 0 then -1 else 0
627 | otherwise = I64# (x# `uncheckedIShiftRA64#` negateInt# i#)
628 (I64# x#) `rotate` (I# i#)
632 = I64# (word64ToInt64# ((x'# `uncheckedShiftL64#` i'#) `or64#`
633 (x'# `uncheckedShiftRL64#` (64# -# i'#))))
635 x'# = int64ToWord64# x#
636 i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
640 foreign import "stg_eqInt64" unsafe eqInt64# :: Int64# -> Int64# -> Bool
641 foreign import "stg_neInt64" unsafe neInt64# :: Int64# -> Int64# -> Bool
642 foreign import "stg_ltInt64" unsafe ltInt64# :: Int64# -> Int64# -> Bool
643 foreign import "stg_leInt64" unsafe leInt64# :: Int64# -> Int64# -> Bool
644 foreign import "stg_gtInt64" unsafe gtInt64# :: Int64# -> Int64# -> Bool
645 foreign import "stg_geInt64" unsafe geInt64# :: Int64# -> Int64# -> Bool
646 foreign import "stg_plusInt64" unsafe plusInt64# :: Int64# -> Int64# -> Int64#
647 foreign import "stg_minusInt64" unsafe minusInt64# :: Int64# -> Int64# -> Int64#
648 foreign import "stg_timesInt64" unsafe timesInt64# :: Int64# -> Int64# -> Int64#
649 foreign import "stg_negateInt64" unsafe negateInt64# :: Int64# -> Int64#
650 foreign import "stg_quotInt64" unsafe quotInt64# :: Int64# -> Int64# -> Int64#
651 foreign import "stg_remInt64" unsafe remInt64# :: Int64# -> Int64# -> Int64#
652 foreign import "stg_intToInt64" unsafe intToInt64# :: Int# -> Int64#
653 foreign import "stg_int64ToInt" unsafe int64ToInt# :: Int64# -> Int#
654 foreign import "stg_wordToWord64" unsafe wordToWord64# :: Word# -> Word64#
655 foreign import "stg_int64ToWord64" unsafe int64ToWord64# :: Int64# -> Word64#
656 foreign import "stg_word64ToInt64" unsafe word64ToInt64# :: Word64# -> Int64#
657 foreign import "stg_and64" unsafe and64# :: Word64# -> Word64# -> Word64#
658 foreign import "stg_or64" unsafe or64# :: Word64# -> Word64# -> Word64#
659 foreign import "stg_xor64" unsafe xor64# :: Word64# -> Word64# -> Word64#
660 foreign import "stg_not64" unsafe not64# :: Word64# -> Word64#
661 foreign import "stg_uncheckedIShiftL64" unsafe uncheckedIShiftL64# :: Int64# -> Int# -> Int64#
662 foreign import "stg_uncheckedIShiftRA64" unsafe uncheckedIShiftRA64# :: Int64# -> Int# -> Int64#
663 foreign import "stg_uncheckedShiftL64" unsafe uncheckedShiftL64# :: Word64# -> Int# -> Word64#
664 foreign import "stg_uncheckedShiftRL64" unsafe uncheckedShiftRL64# :: Word64# -> Int# -> Word64#
666 foreign import "stg_integerToInt64" unsafe integerToInt64# :: Int# -> ByteArray# -> Int64#
669 "fromIntegral/Int->Int64" fromIntegral = \(I# x#) -> I64# (intToInt64# x#)
670 "fromIntegral/Word->Int64" fromIntegral = \(W# x#) -> I64# (word64ToInt64# (wordToWord64# x#))
671 "fromIntegral/Word64->Int64" fromIntegral = \(W64# x#) -> I64# (word64ToInt64# x#)
672 "fromIntegral/Int64->Int" fromIntegral = \(I64# x#) -> I# (int64ToInt# x#)
673 "fromIntegral/Int64->Word" fromIntegral = \(I64# x#) -> W# (int2Word# (int64ToInt# x#))
674 "fromIntegral/Int64->Word64" fromIntegral = \(I64# x#) -> W64# (int64ToWord64# x#)
675 "fromIntegral/Int64->Int64" fromIntegral = id :: Int64 -> Int64
680 -- Int64 is represented in the same way as Int.
681 -- Operations may assume and must ensure that it holds only values
682 -- from its logical range.
684 data Int64 = I64# Int# deriving (Eq, Ord)
686 instance Show Int64 where
687 showsPrec p x = showsPrec p (fromIntegral x :: Int)
689 instance Num Int64 where
690 (I64# x#) + (I64# y#) = I64# (x# +# y#)
691 (I64# x#) - (I64# y#) = I64# (x# -# y#)
692 (I64# x#) * (I64# y#) = I64# (x# *# y#)
693 negate (I64# x#) = I64# (negateInt# x#)
695 | otherwise = negate x
699 fromInteger (S# i#) = I64# i#
700 fromInteger (J# s# d#) = I64# (integer2Int# s# d#)
702 instance Enum Int64 where
704 | x /= maxBound = x + 1
705 | otherwise = succError "Int64"
707 | x /= minBound = x - 1
708 | otherwise = predError "Int64"
709 toEnum (I# i#) = I64# i#
710 fromEnum (I64# x#) = I# x#
711 enumFrom = boundedEnumFrom
712 enumFromThen = boundedEnumFromThen
714 instance Integral Int64 where
715 quot x@(I64# x#) y@(I64# y#)
716 | y /= 0 = I64# (x# `quotInt#` y#)
717 | otherwise = divZeroError "quot{Int64}" x
718 rem x@(I64# x#) y@(I64# y#)
719 | y /= 0 = I64# (x# `remInt#` y#)
720 | otherwise = divZeroError "rem{Int64}" x
721 div x@(I64# x#) y@(I64# y#)
722 | y /= 0 = I64# (x# `divInt#` y#)
723 | otherwise = divZeroError "div{Int64}" x
724 mod x@(I64# x#) y@(I64# y#)
725 | y /= 0 = I64# (x# `modInt#` y#)
726 | otherwise = divZeroError "mod{Int64}" x
727 quotRem x@(I64# x#) y@(I64# y#)
728 | y /= 0 = (I64# (x# `quotInt#` y#), I64# (x# `remInt#` y#))
729 | otherwise = divZeroError "quotRem{Int64}" x
730 divMod x@(I64# x#) y@(I64# y#)
731 | y /= 0 = (I64# (x# `divInt#` y#), I64# (x# `modInt#` y#))
732 | otherwise = divZeroError "divMod{Int64}" x
733 toInteger (I64# x#) = S# x#
735 instance Read Int64 where
736 readsPrec p s = [(fromIntegral (x::Int), r) | (x, r) <- readsPrec p s]
738 instance Bits Int64 where
739 (I64# x#) .&. (I64# y#) = I64# (word2Int# (int2Word# x# `and#` int2Word# y#))
740 (I64# x#) .|. (I64# y#) = I64# (word2Int# (int2Word# x# `or#` int2Word# y#))
741 (I64# x#) `xor` (I64# y#) = I64# (word2Int# (int2Word# x# `xor#` int2Word# y#))
742 complement (I64# x#) = I64# (word2Int# (int2Word# x# `xor#` int2Word# (-1#)))
743 (I64# x#) `shift` (I# i#)
744 | i# ==# 0# = I64# x#
746 | i# ># 0# = I64# (x# `uncheckedIShiftL#` i#)
747 | i# <=# -64# = if x# <# 0# then -1 else 0
748 | otherwise = I64# (x# `uncheckedIShiftRA#` negateInt# i#)
749 (I64# x#) `rotate` (I# i#)
753 = I64# (word2Int# ((x'# `uncheckedShiftL#` i'#) `or#`
754 (x'# `uncheckedShiftRL#` (64# -# i'#))))
757 i'# = word2Int# (int2Word# i# `and#` int2Word# 63#)
762 "fromIntegral/a->Int64" fromIntegral = \x -> case fromIntegral x of I# x# -> I64# x#
763 "fromIntegral/Int64->a" fromIntegral = \(I64# x#) -> fromIntegral (I# x#)
768 instance CCallable Int64
769 instance CReturnable Int64
771 instance Real Int64 where
772 toRational x = toInteger x % 1
774 instance Bounded Int64 where
775 minBound = -0x8000000000000000
776 maxBound = 0x7FFFFFFFFFFFFFFF
778 instance Ix Int64 where
780 unsafeIndex b@(m,_) i = fromIntegral (i - m)
781 inRange (m,n) i = m <= i && i <= n
782 unsafeRangeSize b@(_l,h) = unsafeIndex b h + 1