On Sun, Feb 16, 2003 at 22:08:10 -0800, Kris Kennaway wrote:
> when they should not. I've given examples of two of them, and there
> are probably lots of others I haven't noticed. For example, I just
> checked, and libICE appears to use rand() for cookie generation. This
> is completely bogus,
Thus spake Jacques A. Vidrine <[EMAIL PROTECTED]>:
> On Mon, Feb 17, 2003 at 04:40:48PM +1100, Tim Robbins wrote:
> > I disagree. It's safe to use rand() in games and in certain kinds of
> > simulations when you don't care that the distribution isn't quite
> > uniform,
>
> Safe, maybe. But I thin
On Mon, Feb 17, 2003 at 04:40:48PM +1100, Tim Robbins wrote:
> I disagree. It's safe to use rand() in games and in certain kinds of
> simulations when you don't care that the distribution isn't quite
> uniform,
Safe, maybe. But I think it still shouldn't be used.
See my posting of two years ago:
On Mon, Feb 17, 2003 at 17:39:55 +1100, Tim Robbins wrote:
> > variant (which generates bad quality ones), the only problem remains is
> > first value monotonically increased with the seed.
>
> Here's an interesting picture of that: http://people.freebsd.org/~tjr/rand.gif
>
Nothing surprising h
On Sun, Feb 16, 2003 at 10:31:25PM -0800, David Schultz wrote:
> > Note that I was only suggesting this patch be committed to -current
> > for purposes of finding out what these applications are, and fixing
> > them as appropriate.
>
> Then how about wrapping the warning in an #ifdef, so people w
On Mon, Feb 17, 2003 at 08:53:09AM +0300, Andrey A. Chernov wrote:
> On Mon, Feb 17, 2003 at 16:40:48 +1100, Tim Robbins wrote:
>
> > I don't think rand()
> > needs a warning message like gets() &c. because it's not as dangerous.
>
> Wait, what kind of warning __warn_references() produce? I was
Thus spake Kris Kennaway <[EMAIL PROTECTED]>:
> On Mon, Feb 17, 2003 at 04:40:48PM +1100, Tim Robbins wrote:
>
> > I disagree. It's safe to use rand() in games and in certain kinds of
> > simulations when you don't care that the distribution isn't quite
> > uniform, or when you prefer speed over q
On Mon, Feb 17, 2003 at 04:40:48PM +1100, Tim Robbins wrote:
> I disagree. It's safe to use rand() in games and in certain kinds of
> simulations when you don't care that the distribution isn't quite
> uniform, or when you prefer speed over quality. I don't think rand()
> needs a warning message l
Thus spake Kris Kennaway <[EMAIL PROTECTED]>:
> I think we should commit this patch (to -current) and fix all the
> problems that pop up. For example, it's used in awk (which started
> this set of changes), and in some of the XFree86 libraries.
...
> +__warn_references(rand_r,
> + "warning: ra
* De: "Andrey A. Chernov" <[EMAIL PROTECTED]> [ Data: 2003-02-16 ]
[ Subjecte: Re: cvs commit: src/lib/libc/stdlib rand.c ]
> On Mon, Feb 17, 2003 at 16:40:48 +1100, Tim Robbins wrote:
>
> > I don't think rand()
> > needs a warning message like g
On Mon, Feb 17, 2003 at 16:40:48 +1100, Tim Robbins wrote:
> I don't think rand()
> needs a warning message like gets() &c. because it's not as dangerous.
Wait, what kind of warning __warn_references() produce? I was under
impression that it is compile-time only.
> What I suggest instead is to
On Sun, Feb 16, 2003 at 08:57:29PM -0800, Kris Kennaway wrote:
> On Sun, Feb 16, 2003 at 07:52:35PM -0800, Andrey A. Chernov wrote:
>
> > So, monotonically increased seed->first value correlation problem remains...
>
> I think we should commit this patch (to -current) and fix all the
> problem
On Sun, Feb 16, 2003 at 20:57:29 -0800, Kris Kennaway wrote:
> On Sun, Feb 16, 2003 at 07:52:35PM -0800, Andrey A. Chernov wrote:
>
> > So, monotonically increased seed->first value correlation problem remains...
>
> I think we should commit this patch (to -current) and fix all the
> problems t
On Sun, Feb 16, 2003 at 07:52:35PM -0800, Andrey A. Chernov wrote:
> So, monotonically increased seed->first value correlation problem remains...
I think we should commit this patch (to -current) and fix all the
problems that pop up. For example, it's used in awk (which started
this set of cha
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