Bug #54598 [NEW]: when exp is 0 ,bcpowmod returns 1 ,even if modulous is 1

From: Operating system: linux,windows PHP version: 5.3.6 Package: BC math related Bug Type: Bug Bug description:when exp is 0 ,bcpowmod returns 1 ,even if modulous is 1 Description: ------------ when setting bcpowmod 2nd parameter $right_operand to 0 and setting 3rd parameter $modulous to 1, bcpowmod returns 1. Ofcourse expected value is 0. Test script: --------------- <?php echo bcpomod(5,0,1); // 5**0%1 Expected result: ---------------- 0 Actual result: -------------- 1 -- Edit bug report at http://bugs.php.net/bug.php?id=54598&edit=1 -- Try a snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=54598&r=trysnapshot52 Try a snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=54598&r=trysnapshot53 Try a snapshot (trunk): http://bugs.php.net/fix.php?id=54598&r=trysnapshottrunk Fixed in SVN: http://bugs.php.net/fix.php?id=54598&r=fixed Fixed in SVN and need be documented: http://bugs.php.net/fix.php?id=54598&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=54598&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=54598&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=54598&r=needscript Try newer version: http://bugs.php.net/fix.php?id=54598&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=54598&r=support Expected behavior: http://bugs.php.net/fix.php?id=54598&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=54598&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=54598&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=54598&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=54598&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=54598&r=dst IIS Stability: http://bugs.php.net/fix.php?id=54598&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=54598&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=54598&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=54598&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=54598&r=mysqlcfg