Created on 2010-08-25.00:00:00 last changed 162 months ago
Proposed resolution:
Change [rand.eng.mers] p. 4 as indicated:
4 The following relations shall hold: 0 < m, m <= n, 2u < w, r <= w, u <= w, s <= w, t <= w, l <= w, w <= numeric_limits<UIntType>::digits, a <= (1u<<w) - 1u, b <= (1u<<w) - 1u, c <= (1u<<w) - 1u, d <= (1u<<w) - 1u, and f <= (1u<<w) - 1u.
[ Adopted at 2010-11 Batavia ]
[ 2010 Batavia: The working group concurred with the issue's Proposed Resolution ]
[ Resolution proposed by ballot comment: ]
Insert the following among the relations that are required to hold: 2u < w.
Addresses US-124
The Mersenne twister algorithm is meaningless for word sizes less than two, as there are then insufficient bits available to be “twisted”.
| History | |||
|---|---|---|---|
| Date | User | Action | Args |
| 2011-08-23 20:07:26 | admin | set | status: wp -> c++11 |
| 2010-11-24 14:01:03 | admin | set | messages: + msg5434 |
| 2010-11-14 13:10:57 | admin | set | status: voting -> wp |
| 2010-11-13 01:17:02 | admin | set | status: open -> voting |
| 2010-11-13 01:11:40 | admin | set | status: immediate -> open |
| 2010-11-11 19:16:05 | admin | set | messages: + msg5332 |
| 2010-11-11 19:16:05 | admin | set | status: open -> immediate |
| 2010-10-31 22:52:02 | admin | set | messages: + msg5219 |
| 2010-10-31 22:52:02 | admin | set | messages: + msg5218 |
| 2010-10-24 03:04:13 | admin | set | messages: + msg4931 |
| 2010-08-25 00:00:00 | admin | create | |