> Hi list,
>
> I am just wondering if I sumbled upon an error in perl an error in my
> logic
> or somehtign else see the below perl one liners
>
> $ perl -e '$n = 0.945; $r = sprintf("%.2f", $n); print "$r\n";'
> 0.94
>
> $ perl -e '$n = 0.9451; $r = sprintf("%.2f", $n); print "$r\n";'
> 0.95
>
> $ perl -e '$n = 0.9450; $r = sprintf("%.2f", $n); print "$r\n";'
> 0.94
>
> $ perl -e '$n = 0.94500; $r = sprintf("%.2f", $n); print "$r\n";'
> 0.94
>
> $ perl -e '$n = 0.945001; $r = sprintf("%.2f", $n); print "$r\n";'
> 0.95
>
> Now I expected perl to round the number: 0.945 to 0.95 and not to 0.94
> like
> it is doing. I have no idea why it is doing this but I sure don't like
> it.
> The problem is I have to do some VAT calculations on thousands of
> invoices
> and invoice elements. I found that in rare cases I'm of by 1 cent or
> even 3
> cents if there are lots of elements. Going over the logic I ran into
> this
> problem.
>
> Cany anyone advise me how to deal with this as I need to find a way to
> round
> correctly in all cases not just in cases where Perl decides it is a
> good
> idea to do so. :-)
>
> Regards,This may be of interest; http://faq.perl.org/perlfaq4.html#Does_Perl_have_a_rou -- Owen -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
