gcc newbie: rand()

[Martin Kahlert]

In article < 3850EBFA.BE9086DC@singnet.com.sg >,
	Joachim Bauernberger <nuklear@singnet.com.sg> writes:
> /*  hi there!
> *
> *  can anybody tell my why the following code compiled with:............
> 
> *  gcc -g -D_GNU_SOURCE filename.c -o outputfile
> *
> *  ....generates all sort of strange numbers but when compiled under
> borland gives me the desired *   random numbers between 1 and 6  ??? how
> do i do it to get the numbers between 1 and 6.
> *  this example is from a book about C so it can't be that wrong, can
> it?

It's wrong because of the strange value 32768. Use
x = rand() / (double) RAND_MAX;
instead.

-- 
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breakfast, get up later.