Test triggers the bug, only zeros and ones like you said, but only for native-sized types:
-O2: Int 0 0 0 0 0 1 0 0 1 0 1 1 0 0 0 0 0 0 0 0 Int32 41 37 25 85 27 84 70 8 70 32 36 1 14 92 1 74 17 28 38 76 Int64 37 77 57 75 17 58 28 77 23 51 1 13 50 35 21 11 70 43 6 5 Word 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 1 1 0 Word32 52 45 86 4 85 44 71 59 91 10 65 89 41 78 84 88 3 60 71 0 Word64 12 82 25 1 11 14 76 58 1 77 9 25 57 20 41 8 2 29 21 29 ghci: Int 53 13 24 58 66 71 19 16 73 54 95 87 2 34 62 67 2 45 56 2 Int32 41 37 25 85 27 84 70 8 70 32 36 1 14 92 1 74 17 28 38 76 Int64 37 77 57 75 17 58 28 77 23 51 1 13 50 35 21 11 70 43 6 5 Word 41 19 99 69 27 58 92 45 9 38 51 39 50 14 2 21 25 94 96 2 Word32 52 45 86 4 85 44 71 59 91 10 65 89 41 78 84 88 3 60 71 0 Word64 12 82 25 1 11 14 76 58 1 77 9 25 57 20 41 8 2 29 21 29 I run a 32-bit system, as I've said before. > Gentoo Linux _i686_ 3.8.2-pf Could perhaps be something with my system, I'll test on Ubuntu later today, and if there are no problems with compiling mwc-random on ghc git — on it too. On Wed, 17 Jul 2013 12:19:29 +0400 Aleksey Khudyakov <alexey.sklad...@gmail.com> wrote: > On 10 July 2013 14:10, kudah <kudahkuka...@gmail.com> wrote: > > Yes, it does. Without optimizations the result is > > "ndgorsfesnywaiqraloa", while with optimizations the result is > > always "aaaaaaaaaabbaaaaaaaa". > > > Sorry for taking so long. So problem is uniformR. You can reproduce > bug reliably and I cannot. Are you on 32-bit system? I only tested on > 64-bit ones. If this isn't the case I'm out of ideas. > > I finally wrote test case that doesn't depends on anything besides > mwc-random (it's > in attachment). Could you check whether it still triggers the bug _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
