#40622 [NEW]: round function

From: bruno dot boccara at d2b dot com Operating system: windows 2003 Apache 2 PHP version: 4.4.5 PHP Bug Type: Math related Bug description: round function Description: ------------ round function gives wrong value. Please do not send me to http://docs.sun.com/source/806-3568/ncg_goldberg.html, you have to admit that this is a bug !!!!! if not, php CANNOT be use in production site with mathematical functions !!! Reproduce code: --------------- <? // 140.25*(1-(34/100)) = 92.565 echo "formula = ". round(((140.25*(1-(34/100)))),2);echo "<br>"; echo "direct = ".round (92.565, 2);echo "<br>"; $valeur = 140.25*(1-(34/100)); echo "value = ".round($valeur,2);echo "<br>"; settype($valeur,"string"); settype($valeur,"float"); echo "value2 = ".round($valeur,2); ?> Expected result: ---------------- formula = 92.57 direct = 92.57 value = 92.57 value2 = 92.57 Actual result: -------------- formula = 92.56 // WRONG ! direct = 92.57 value = 92.56 // WRONG ! value2 = 92.57 -- Edit bug report at http://bugs.php.net/?id=40622&edit=1 -- Try a CVS snapshot (PHP 4.4): http://bugs.php.net/fix.php?id=40622&r=trysnapshot44 Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=40622&r=trysnapshot52 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=40622&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=40622&r=fixedcvs Fixed in release: http://bugs.php.net/fix.php?id=40622&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=40622&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=40622&r=needscript Try newer version: http://bugs.php.net/fix.php?id=40622&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=40622&r=support Expected behavior: http://bugs.php.net/fix.php?id=40622&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=40622&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=40622&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=40622&r=globals PHP 3 support discontinued: http://bugs.php.net/fix.php?id=40622&r=php3 Daylight Savings: http://bugs.php.net/fix.php?id=40622&r=dst IIS Stability: http://bugs.php.net/fix.php?id=40622&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=40622&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=40622&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=40622&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=40622&r=mysqlcfg