[#1026] Is this a bug? — Dave Thomas <Dave@...>
18 messages
2000/01/03
[#1053] rand() / drand48() — ts <decoux@...>
11 messages
2000/01/05
[#1055] Re: rand() / drand48()
— matz@... (Yukihiro Matsumoto)
2000/01/05
[#1061] Re: rand() / drand48()
— gotoken@... (GOTO Kentaro)
2000/01/07
Hi,
[#1067] Here docs not skipping leading spaces — Dave Thomas <Dave@...>
5 messages
2000/01/08
[#1083] YADQ (Yet Another Dumb Question) — Dave Thomas <Dave@...>
12 messages
2000/01/10
[#1084] Infinite loop — Dave Thomas <Dave@...>
17 messages
2000/01/11
[#1104] The value of while... — Dave Thomas <Dave@...>
24 messages
2000/01/11
[#1114] Re: The value of while...
— Dave Thomas <Dave@...>
2000/01/12
matz@netlab.co.jp (Yukihiro Matsumoto) writes:
[#1128] Re: The value of while... — David Suarez de Lis <excalibor@...>
Hi all,
1 message
2000/01/12
[#1133] Re: Class variables... — David Suarez de Lis <excalibor@...>
Hi there,
2 messages
2000/01/12
[#1158] Is this expected behavior? — Dave Thomas <Dave@...>
6 messages
2000/01/21
[#1172] Re: Possible bug in ruby-man-1.4 — Huayin Wang <wang@...>
> |Well, I guess it comes down to what you mean by an integer
10 messages
2000/01/24
[#1177] Re: Possible bug in ruby-man-1.4
— Dave Thomas <Dave@...>
2000/01/25
matz@netlab.co.jp (Yukihiro Matsumoto) writes:
[#1188] Enumerable and index — Dave Thomas <Dave@...>
5 messages
2000/01/27
[#1193] Semantics of chomp/chop — Dave Thomas <Dave@...>
7 messages
2000/01/28
[#1197] Question about 'open' — Dave Thomas <Dave@...>
8 messages
2000/01/30
[ruby-talk:01065] Re: rand() / drand48()
From:
matz@... (Yukihiro Matsumoto)
Date:
2000-01-07 18:58:12 UTC
List:
ruby-talk #1065
In message "[ruby-talk:01064] Re: rand() / drand48()"
on 00/01/07, Andrew Hunt <andy@Toolshed.Com> writes:
|Perl's srand defaults to time(0L), but you can also call
|srand with a constant.
Perl tries /dev/urandom if available.
|I've written a number of programs where I've needed to seed the
|random number generator with a constant in order to get
|a predictable, random stream (as for regression testing). Other
|times of course, I'd want it to be random. Process id and
|time shifted around a bit makes a nice default, I think, but
|we still need the ability to seed the generator ourselves.
So, you think it's OK to generate different sequences for each
invocation, iff the mean to suppy seed is available, right?
We already have srand() method to supply seed.
matz.