Geeta Kathpalia wrote at Fri, 27 Sep 2002 13:57:29 +0200:
> I am executing the following perl code(using 5.8.0):
>
> $a = -9223372036854775808;
> $a--;
> if ($a == -9223372036854775807)
> {
> print "ok \n";
> }
>
> The output which i get is that: ok get printed.
>
> How is it possible??
Changing your script a bit to
$a = -9223372036854775808;
$a--;
if ($a == -9223372036854775807)
{
print "ok ($a)\n";
}
explains what happens,
as now is printed
ok (-9.22337203685478e+18)
Obviously, Perl converts the number automatic to a float,
where the one more or less isn't important any longer.
Greetings,
Janek
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