ID: 10131
Updated by: cynic
Reported By: [EMAIL PROTECTED]
Old-Status: Closed
Status: Bogus
Bug Type: Math related
Assigned To:
Comments:
Previous Comments:
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[2001-04-03 03:46:38] [EMAIL PROTECTED]
Execute this script:
<?
$a = 250.02;
$b = 210.10;
$c = 39.92;
echo "a = $a<br>n";
echo "b = $b<br>n";
echo "c = $c<br>n";
echo "(b+c)-a = " . (($b+$c)-$a) . "<br>n";
?>
It SHOULD echo:
a = 250.02
b = 210.1
c = 39.92
(b+c)-a = 0
But it echoes on my machine:
a = 250.02
b = 210.1
c = 39.92
(b+c)-a = -2.8421709430404E-14
When you change the values, for example like this:
<?
$a = 250.022;
$b = 210.101;
$c = 39.921;
?>
it echoes the correct values... if against all odds I am doing something wrong, please
tell me....!
Marc, a very happy php programmer!
P.S. I compiled PHP with this command line:
'./configure' '--with-mysql' '--with-pgsql' '--with-esoob' '--with-magic-quotes'
'--with-apxs' '--with-ftp' '--with-config-file-path=.'
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