From: Operating system: Multiple PHP version: 5.3.2 Package: Scripting Engine problem Bug Type: Bug Bug description:Wrong results with float arithmetics
Description: ------------ When calculating with and rounding float values, the result of the calculation is wrong. This bug seems to affect multiple versions of php. I have tested it with PHP 5.3.2 (Fedora 12), PHP 5.2.6 (Red Hat), PHP 5.3.0 (Windows XP). Test script: --------------- echo floor(138.95 * 100), "\n"; echo floor(141.95 * 100), "\n"; echo floor(142.95 * 100), "\n"; echo intval(142.95 * 100), "\n"; echo (int)(138.95 * 100); Expected result: ---------------- 13895 14195 14295 14295 13895 Actual result: -------------- 13894 14194 14294 14294 13894 -- Edit bug report at http://bugs.php.net/bug.php?id=51233&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=51233&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=51233&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=51233&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=51233&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51233&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=51233&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=51233&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=51233&r=needscript Try newer version: http://bugs.php.net/fix.php?id=51233&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=51233&r=support Expected behavior: http://bugs.php.net/fix.php?id=51233&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=51233&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=51233&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=51233&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51233&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=51233&r=dst IIS Stability: http://bugs.php.net/fix.php?id=51233&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=51233&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=51233&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=51233&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=51233&r=mysqlcfg
