From: yehlu at ms1 dot hinet dot net Operating system: linux PHP version: 4.3.4 PHP Bug Type: *Math Functions Bug description: round floting number have bad result
Description:
------------
<?php
$a = 3100;
echo "\$a :".$a."\n";
$a *= 1.025;
echo "\$a * 1.025 :".$a."\n";
echo "round \$a:".round($a)."\n"; //get 3177
echo "round \$a:".round("$a")."\n"; //get 3178
$b = "3177.5";
echo "\$b:".$b."\n";
echo "round \$b:".round($b)."\n"; //get 3178
?>
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Edit bug report at http://bugs.php.net/?id=26874&edit=1
--
Try a CVS snapshot (php4): http://bugs.php.net/fix.php?id=26874&r=trysnapshot4
Try a CVS snapshot (php5): http://bugs.php.net/fix.php?id=26874&r=trysnapshot5
Fixed in CVS: http://bugs.php.net/fix.php?id=26874&r=fixedcvs
Fixed in release: http://bugs.php.net/fix.php?id=26874&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=26874&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=26874&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=26874&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=26874&r=support
Expected behavior: http://bugs.php.net/fix.php?id=26874&r=notwrong
Not enough info: http://bugs.php.net/fix.php?id=26874&r=notenoughinfo
Submitted twice: http://bugs.php.net/fix.php?id=26874&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=26874&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=26874&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=26874&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=26874&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=26874&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=26874&r=float
