From: Operating system: Windows PHP version: 5.2.14 Package: *General Issues Bug Type: Bug Bug description:Round Off Error
Description: ------------ There are a round off problems with add/sub of floating values for instance 0.27+0.34 is not equal to 0.61 0.27+0.34-0.61 != 0 Test script: --------------- <?php echo((0.27+0.34)-0.61); ?> Expected result: ---------------- 0 Actual result: -------------- 1.1102230246252E-16 -- Edit bug report at http://bugs.php.net/bug.php?id=52415&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=52415&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=52415&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=52415&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=52415&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=52415&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=52415&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=52415&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=52415&r=needscript Try newer version: http://bugs.php.net/fix.php?id=52415&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=52415&r=support Expected behavior: http://bugs.php.net/fix.php?id=52415&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=52415&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=52415&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=52415&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=52415&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=52415&r=dst IIS Stability: http://bugs.php.net/fix.php?id=52415&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=52415&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=52415&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=52415&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=52415&r=mysqlcfg
