Re: random()

[Ernie Pasveer <epasveer@home.com>]

On Mon, 12 Jul 1999, Shao Zhang wrote:
--Reply-To: 
--Hi,
--	I have some trouble to generate a random number. Please help.
--	I use the current time for the seed:
--
--	unsigned int gen_magic()
--	{
--	        time_t  cur;
--	        char    *cur_time;
--
--	        time(&cur);
--	        cur_time = ctime(&cur);
--
--	        srandom((unsigned int) (atol(cur_time)));
--
--	        return random();
--	}
--
--	But everytime this function gets called, it is always return the same number:
--
--	+------------+
--	| number     |
--	+------------+
--	| 1362961854 |
--	| 1362961854 |
--	| 1362961854 |
--	| 1362961854 |
--	| 1362961854 |
--	| 1362961854 |
--	| 1362961854 |
--	+------------+
--
--	There must be a better way to do this. Please tell me...
--
--	Thanks.
--
--Shao.
--

You should only seed the random number generator once. You're seeding each time you're calling random().

  --ernie  :^)


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