1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
{-# LANGUAGE CPP #-}
{-# LANGUAGE MagicHash #-}
{-# LANGUAGE UnboxedTuples #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_HADDOCK not-home #-}
#include "MachDeps.h"
-- | Compatibility module for pre ghc-bignum code.
module GHC.Integer (
Integer,
-- * Construct 'Integer's
smallInteger, wordToInteger,
#if WORD_SIZE_IN_BITS < 64
word64ToInteger, int64ToInteger,
#endif
-- * Conversion to other integral types
integerToWord, integerToInt,
#if WORD_SIZE_IN_BITS < 64
integerToWord64, integerToInt64,
#endif
-- * Helpers for 'RealFloat' type-class operations
encodeFloatInteger, encodeDoubleInteger, decodeDoubleInteger,
-- * Arithmetic operations
plusInteger, minusInteger, timesInteger, negateInteger,
absInteger, signumInteger,
divModInteger, divInteger, modInteger,
quotRemInteger, quotInteger, remInteger,
-- * Comparison predicates
eqInteger, neqInteger, leInteger, gtInteger, ltInteger, geInteger,
compareInteger,
-- ** 'Int#'-boolean valued versions of comparison predicates
--
-- | These operations return @0#@ and @1#@ instead of 'False' and
-- 'True' respectively. See
-- <https://gitlab.haskell.org/ghc/ghc/wikis/prim-bool PrimBool wiki-page>
-- for more details
eqInteger#, neqInteger#, leInteger#, gtInteger#, ltInteger#, geInteger#,
-- * Bit-operations
andInteger, orInteger, xorInteger,
complementInteger,
shiftLInteger, shiftRInteger, testBitInteger,
popCountInteger, bitInteger,
-- * Hashing
hashInteger,
) where
import GHC.Num.Integer (Integer)
import qualified GHC.Num.Integer as I
import GHC.Prim
import GHC.Types
smallInteger :: Int# -> Integer
smallInteger = I.integerFromInt#
integerToInt :: Integer -> Int#
integerToInt = I.integerToInt#
wordToInteger :: Word# -> Integer
wordToInteger = I.integerFromWord#
integerToWord :: Integer -> Word#
integerToWord = I.integerToWord#
#if WORD_SIZE_IN_BITS < 64
word64ToInteger :: Word64# -> Integer
word64ToInteger = I.integerFromWord64#
integerToWord64 :: Integer -> Word64#
integerToWord64 = I.integerToWord64#
int64ToInteger :: Int64# -> Integer
int64ToInteger = I.integerFromInt64#
integerToInt64 :: Integer -> Int64#
integerToInt64 = I.integerToInt64#
#endif
encodeFloatInteger :: Integer -> Int# -> Float#
encodeFloatInteger = I.integerEncodeFloat#
encodeDoubleInteger :: Integer -> Int# -> Double#
encodeDoubleInteger = I.integerEncodeDouble#
decodeDoubleInteger :: Double# -> (# Integer, Int# #)
decodeDoubleInteger = I.integerDecodeDouble#
plusInteger :: Integer -> Integer -> Integer
plusInteger = I.integerAdd
minusInteger :: Integer -> Integer -> Integer
minusInteger = I.integerSub
timesInteger :: Integer -> Integer -> Integer
timesInteger = I.integerMul
negateInteger :: Integer -> Integer
negateInteger = I.integerNegate
absInteger :: Integer -> Integer
absInteger = I.integerAbs
signumInteger :: Integer -> Integer
signumInteger = I.integerSignum
divModInteger :: Integer -> Integer -> (# Integer, Integer #)
divModInteger = I.integerDivMod#
divInteger :: Integer -> Integer -> Integer
divInteger = I.integerDiv
modInteger :: Integer -> Integer -> Integer
modInteger = I.integerMod
quotRemInteger :: Integer -> Integer -> (# Integer, Integer #)
quotRemInteger = I.integerQuotRem#
quotInteger :: Integer -> Integer -> Integer
quotInteger = I.integerQuot
remInteger :: Integer -> Integer -> Integer
remInteger = I.integerRem
eqInteger :: Integer -> Integer -> Bool
eqInteger = I.integerEq
neqInteger :: Integer -> Integer -> Bool
neqInteger = I.integerNe
leInteger :: Integer -> Integer -> Bool
leInteger = I.integerLe
gtInteger :: Integer -> Integer -> Bool
gtInteger = I.integerGt
ltInteger :: Integer -> Integer -> Bool
ltInteger = I.integerLt
geInteger :: Integer -> Integer -> Bool
geInteger = I.integerGe
compareInteger :: Integer -> Integer -> Ordering
compareInteger = I.integerCompare
eqInteger# :: Integer -> Integer -> Int#
eqInteger# = I.integerEq#
neqInteger# :: Integer -> Integer -> Int#
neqInteger# = I.integerNe#
leInteger# :: Integer -> Integer -> Int#
leInteger# = I.integerLe#
gtInteger# :: Integer -> Integer -> Int#
gtInteger# = I.integerGt#
ltInteger# :: Integer -> Integer -> Int#
ltInteger# = I.integerLt#
geInteger# :: Integer -> Integer -> Int#
geInteger# = I.integerGe#
andInteger :: Integer -> Integer -> Integer
andInteger = I.integerAnd
orInteger :: Integer -> Integer -> Integer
orInteger = I.integerOr
xorInteger :: Integer -> Integer -> Integer
xorInteger = I.integerXor
complementInteger :: Integer -> Integer
complementInteger = I.integerComplement
shiftLInteger :: Integer -> Int# -> Integer
shiftLInteger n i = I.integerShiftL# n (int2Word# i)
shiftRInteger :: Integer -> Int# -> Integer
shiftRInteger n i = I.integerShiftR# n (int2Word# i)
testBitInteger :: Integer -> Int# -> Bool
testBitInteger n i = isTrue# (I.integerTestBit# n (int2Word# i))
hashInteger :: Integer -> Int#
hashInteger = I.integerToInt#
bitInteger :: Int# -> Integer
bitInteger i = I.integerBit# (int2Word# i)
popCountInteger :: Integer -> Int#
popCountInteger = I.integerPopCount#
|
