Re: random() function produces wrong range
От | Mike Sears |
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Тема | Re: random() function produces wrong range |
Дата | |
Msg-id | 002b01bffc07$907fd2d0$02945bd1@neutrino обсуждение исходный текст |
Ответ на | Re: random() function produces wrong range (Stephan Szabo <sszabo@megazone23.bigpanda.com>) |
Ответы |
Re: random() function produces wrong range
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Список | pgsql-general |
What build of postgres is this running on. I've tried this on 6x and it doesn't seem to work. ----- Original Message ----- From: "Tom Lane" <tgl@sss.pgh.pa.us> To: "Stephan Szabo" <sszabo@megazone23.bigpanda.com> Cc: <pgsql-hackers@postgreSQL.org>; <pgsql-general@postgreSQL.org> Sent: Tuesday, August 01, 2000 11:23 AM Subject: Re: [GENERAL] random() function produces wrong range > Stephan Szabo <sszabo@megazone23.bigpanda.com> writes: > > Actually, on my machines, both man pages for rand() and random() say > > they return values between 0 and RAND_MAX (whether that's true or not > > is another matter). In my case RAND_MAX==INT_MAX so the change wouldn't > > be a problem, but it might be problematic on some of the 64 bit machines. > > Oh, that's interesting. What platform do you use? If RAND_MAX applies > to random() on some machines that'd probably explain why the code is > written like it is. But on my box (HPUX) the rand() function is old > and crufty and considerably different from random(). > > regards, tom lane >
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