This file is indexed.

/usr/lib/hugs/packages/base/Numeric.hs is in libhugs-base-bundled 98.200609.21-5.4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  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
213
214
215
216
217
218
219
{-# OPTIONS_GHC -fno-implicit-prelude #-}
-----------------------------------------------------------------------------
-- |
-- Module      :  Numeric
-- Copyright   :  (c) The University of Glasgow 2002
-- License     :  BSD-style (see the file libraries/base/LICENSE)
-- 
-- Maintainer  :  libraries@haskell.org
-- Stability   :  provisional
-- Portability :  portable
--
-- Odds and ends, mostly functions for reading and showing
-- 'RealFloat'-like kind of values.
--
-----------------------------------------------------------------------------

module Numeric (

	-- * Showing

	showSigned,       -- :: (Real a) => (a -> ShowS) -> Int -> a -> ShowS

        showIntAtBase,    -- :: Integral a => a -> (a -> Char) -> a -> ShowS
	showInt,          -- :: Integral a => a -> ShowS
        showHex,          -- :: Integral a => a -> ShowS
        showOct,          -- :: Integral a => a -> ShowS

	showEFloat,       -- :: (RealFloat a) => Maybe Int -> a -> ShowS
	showFFloat,       -- :: (RealFloat a) => Maybe Int -> a -> ShowS
	showGFloat,       -- :: (RealFloat a) => Maybe Int -> a -> ShowS
	showFloat,        -- :: (RealFloat a) => a -> ShowS

	floatToDigits,    -- :: (RealFloat a) => Integer -> a -> ([Int], Int)

	-- * Reading

	-- | /NB:/ 'readInt' is the \'dual\' of 'showIntAtBase',
	-- and 'readDec' is the \`dual\' of 'showInt'.
	-- The inconsistent naming is a historical accident.

	readSigned,       -- :: (Real a) => ReadS a -> ReadS a

	readInt,          -- :: (Integral a) => a -> (Char -> Bool)
			  --         -> (Char -> Int) -> ReadS a
	readDec,          -- :: (Integral a) => ReadS a
	readOct,          -- :: (Integral a) => ReadS a
	readHex,          -- :: (Integral a) => ReadS a

	readFloat,        -- :: (RealFloat a) => ReadS a
	
	lexDigits,        -- :: ReadS String

	-- * Miscellaneous

        fromRat,          -- :: (RealFloat a) => Rational -> a

	) where












import Data.Char



import Hugs.Prelude
import Hugs.Numeric






















































































































-- ---------------------------------------------------------------------------
-- Integer printing functions

-- | Shows a /non-negative/ 'Integral' number using the base specified by the
-- first argument, and the character representation specified by the second.
showIntAtBase :: Integral a => a -> (Int -> Char) -> a -> ShowS
showIntAtBase base toChr n r
  | base <= 1 = error ("Numeric.showIntAtBase: applied to unsupported base " ++ show base)
  | n <  0    = error ("Numeric.showIntAtBase: applied to negative number " ++ show n)
  | otherwise = showIt (quotRem n base) r
   where
    showIt (n,d) r = seq c $ -- stricter than necessary
      case n of
        0 -> r'
	_ -> showIt (quotRem n base) r'
     where
      c  = toChr (fromIntegral d) 
      r' = c : r

-- | Show /non-negative/ 'Integral' numbers in base 16.
showHex :: Integral a => a -> ShowS
showHex = showIntAtBase 16 intToDigit

-- | Show /non-negative/ 'Integral' numbers in base 8.
showOct :: Integral a => a -> ShowS
showOct = showIntAtBase 8  intToDigit