* [v3] libstdc++/50509
@ 2011-09-24 21:30 Paolo Carlini
0 siblings, 0 replies; only message in thread
From: Paolo Carlini @ 2011-09-24 21:30 UTC (permalink / raw)
To: gcc-patches; +Cc: libstdc++
[-- Attachment #1: Type: text/plain, Size: 72 bytes --]
Hi,
committed mainline and 4_6-branch.
Paolo.
//////////////////////
[-- Attachment #2: CL_50509 --]
[-- Type: text/plain, Size: 137 bytes --]
2011-09-24 John Salmon <john.salmon@deshaw.com>
PR libstdc++/50509
* include/bits/random.tcc (seed_seq::generate): Fix computation.
[-- Attachment #3: patch_50509 --]
[-- Type: text/plain, Size: 905 bytes --]
Index: include/bits/random.tcc
===================================================================
--- include/bits/random.tcc (revision 179143)
+++ include/bits/random.tcc (working copy)
@@ -2768,7 +2768,7 @@
_Type __arg = (__begin[__k % __n]
^ __begin[(__k + __p) % __n]
^ __begin[(__k - 1) % __n]);
- _Type __r1 = __arg ^ (__arg << 27);
+ _Type __r1 = __arg ^ (__arg >> 27);
__r1 = __detail::__mod<_Type, __detail::_Shift<_Type, 32>::__value,
1664525u, 0u>(__r1);
_Type __r2 = __r1;
@@ -2790,7 +2790,7 @@
_Type __arg = (__begin[__k % __n]
+ __begin[(__k + __p) % __n]
+ __begin[(__k - 1) % __n]);
- _Type __r3 = __arg ^ (__arg << 27);
+ _Type __r3 = __arg ^ (__arg >> 27);
__r3 = __detail::__mod<_Type, __detail::_Shift<_Type, 32>::__value,
1566083941u, 0u>(__r3);
_Type __r4 = __r3 - __k % __n;
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2011-09-24 18:31 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-09-24 21:30 [v3] libstdc++/50509 Paolo Carlini
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).