Bug #74347 [NEW]: -1 - 0.1 + 1 + 0.1 bugg

From: stefan at van-echtelt dot nl Operating system: Windows PHP version: Irrelevant Package: Output Control Bug Type: Bug Bug description:-1 - 0.1 + 1 + 0.1 bugg Description: ------------ $test = -1 - 0.1 + 1 + 0.1; print $test; if you print this in php the value will be -8.3266726846887E-17. It should be 0. Test script: --------------- $test = -1 - 0.1 + 1 + 0.1; print $test; -- Edit bug report at https://bugs.php.net/bug.php?id=74347&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=74347&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=74347&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=74347&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=74347&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=74347&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=74347&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=74347&r=needscript Try newer version: https://bugs.php.net/fix.php?id=74347&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=74347&r=support Expected behavior: https://bugs.php.net/fix.php?id=74347&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=74347&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=74347&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=74347&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=74347&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=74347&r=dst IIS Stability: https://bugs.php.net/fix.php?id=74347&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=74347&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=74347&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=74347&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=74347&r=mysqlcfg