Re: A little maths problem
| From: | Perry Loh | Date: | Tue, 15 Aug 2000 09:23:31 +0000 |
| Subject: | Re: A little maths problem | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-11762@lists.php.net to get a copy of this message | ||
Any workaround to this ?
"Martin" <martin@thomatechnik.de> wrote in message
news:399908FD.58F595E8@thomatechnik.de...
> 2235957251 is binary 10000101010001100000000000000011. That means, the
first bit
> is set, which is interpreted as the "sign-bit" in most
programming-languages.
>
> Greetings
>
> Martin
>
>
> Perry Loh wrote:
>
> > A little question on maths, why does PHP return the following answer :
> >
> > 2634023077 xor 407240870 = -1730242778
> >
> > whereas the correct result should be actually,with a calculator :
> >
> > 42634023077 xor 407240870 = 2235957251
> >
> > I'm wondering if this is a bug, if it is or isn't , is there a
workaround to
> > get the correct answer ? BCMath does not seem to provide enough
functions
> > though.
> >
> > Regards
> >
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