From: Operating system: Windows 7 PHP version: 5.3.2 Package: Math related Bug Type: Bug Bug description:Unexpected result for tan(M_PI_2)
Description: ------------ When running the code, the return value is a float: 1.6331239353195E+16, while a value of 1 is expected. This was posted before as bug #31236, but not fixed since 2004. Test script: --------------- tan(M_PI_2) Expected result: ---------------- 1 Actual result: -------------- 1.6331239353195E+16 -- Edit bug report at http://bugs.php.net/bug.php?id=51478&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=51478&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=51478&r=trysnapshot53 Try a snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=51478&r=trysnapshot60 Fixed in SVN: http://bugs.php.net/fix.php?id=51478&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=51478&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=51478&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=51478&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=51478&r=needscript Try newer version: http://bugs.php.net/fix.php?id=51478&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=51478&r=support Expected behavior: http://bugs.php.net/fix.php?id=51478&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=51478&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=51478&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=51478&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=51478&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=51478&r=dst IIS Stability: http://bugs.php.net/fix.php?id=51478&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=51478&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=51478&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=51478&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=51478&r=mysqlcfg