RE: [PHP] Math weirdness with doubles...

Cool. There must be a way to display out the full doubles precision huh. > Thank you so much for the help, folks. That turned out to be weird, but > correct. Rounding off to 4 decimal point places solved the problem quite > nicely. > > -- jon > > > > -----Original Message----- > From: Daniel Clark [mailto:dclark@nwlink.com] > Sent: Friday, February 27, 2004 3:16 PM > To: jon roig > Cc: php-general@lists.php.net > Subject: Re: [PHP] Math weirdness with doubles... > > > Looks like the Doubles are not exactly zero. Must be some precision > points not displaying. > > >> Ok... It's Friday and maybe my brain is dead, but I'm having a weird >> problem with some basic math. >> >> Here's a little snippet of the code I'm working with: >> >> --------------------------- >> echo "<p>Current:$currentAmount:".gettype($currentAmount)." - >> Paid:$paidAmount:".gettype($paidAmount)."</p>"; >> >> $currentAmount = $currentAmount-$paidAmount; >> echo "<p>Final Current: $currentAmount"; >> ----------------- >> >> Straightforward... Yeah? >> >> Here's a sample of the output: >> Current:97.6:double - Paid:97.6:double >> Final Current: 1.42108547152E-014 >> >> Now if both $currentAmount and $paidAmount are doubles, subtracting >> them should yield a zero, shouldn't it? >> >> -- jon >> >> ------------------- >> jon roig >> web developer >> email: jon@trafficdesigns.com >> phone: 888.230.7557 >> >> --- > > > --- > Outgoing mail is certified Virus Free. > Checked by AVG anti-virus system (http://www.grisoft.com). > Version: 6.0.593 / Virus Database: 376 - Release Date: 2/20/2004 > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >