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Posted by fritz-bayer@web.de on 11/01/28 11:41
d wrote:
> <fritz-bayer@web.de> wrote in message
> news:1141404106.485472.53880@z34g2000cwc.googlegroups.com...
> > Hello,
> >
> > I'm porting a program from php to perl and discovered, that the bitwise
> > operator & seems to work differently, which I don't understand why.
> >
> > I tested it with the values:
> >
> > a=5543039447 and b=13
> >
> > Then in perl the expressions:
> >
> > $result= ($z & $a);
> >
> > returns 2147483648.
> >
> > But in php the same expression returns zero. Why is that and how can I
> > fix it?!
>
> If you have defined $a and $b, then bitwise-anded $z and $a, you *should*
> get zero, as zero AND anything is zero. If, however, you do bitwise-and $a
> and $b, you shouldn't get 2147483648 in the first place, so I don't know
> where your problem is :)
>
> > Fritz
> >
sorry, i messed up the example. I posted a follow up thread, please
forget about this one.
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