#49112 [NEW]: Problem with float numbers - only in one case

From: marek at 3v dot ie Operating system: Fedora 9 PHP version: 5.2.10 PHP Bug Type: Math related Bug description: Problem with float numbers - only in one case Description: ------------ When I try to substract specific float numbers I receive a wrong result Reproduce code: --------------- echo (35.19 - 31.69 - 3.50); echo (36.19 - 31.69 - 2.50); Expected result: ---------------- 0 Actual result: -------------- -3.5527136788005E-15 -- Edit bug report at http://bugs.php.net/?id=49112&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=49112&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=49112&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=49112&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=49112&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=49112&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=49112&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=49112&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=49112&r=needscript Try newer version: http://bugs.php.net/fix.php?id=49112&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=49112&r=support Expected behavior: http://bugs.php.net/fix.php?id=49112&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=49112&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=49112&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=49112&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=49112&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=49112&r=dst IIS Stability: http://bugs.php.net/fix.php?id=49112&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=49112&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=49112&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=49112&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=49112&r=mysqlcfg