#15026 [Dup->Csd]: bcpow error

ID: 15026 Updated by: sniper@php.net Reported By: kraljar at ipb dot cz -Status: Duplicate +Status: Closed Bug Type: BC math related Operating System: WIN NT 4.0 SP6 PHP Version: 4.1.1 New Comment: This bug has been fixed in CVS. In case this was a PHP problem, snapshots of the sources are packaged every three hours; this change will be in the next snapshot. You can grab the snapshot at http://snaps.php.net/. In case this was a documentation problem, the fix will show up soon at http://www.php.net/manual/. In case this was a PHP.net website problem, the change will show up on the PHP.net site and on the mirror sites in short time. Thank you for the report, and for helping us make PHP better. Previous Comments: ------------------------------------------------------------------------ [2002-04-03 06:37:59] sander@php.net Dupe of 13551: PHP's BCmath implementation doesn't support decimal numbers. ------------------------------------------------------------------------ [2002-01-14 02:38:51] kraljar at ipb dot cz Source code for demonstration: <? $a ="0.23568"; $b ="0.45689"; $c ="0.45689"; echo $a."...............a<BR>"; echo $b."...............b<BR>"; echo $c."...............b<BR>"; echo bccomp ($b, $c, 40)."...............bccomp($a, $c , 40)<BR>"; echo bcdiv ($a, $b , 40)."................bcdiv($a, $b , 40)<BR>"; echo bcmul ($a, $b , 40)."................bcmul($a, $b , 40)<BR>"; echo bcpow ($a, $b , 40)."................bcpow($a, $b , 40)<BR>"; echo pow ($a, $b )."................pow($a, $b )<BR>"; echo bcadd ($a, $b , 40)."................bcadd($a, $b , 40)<BR>"; echo bcsub ($a, $b , 40)."................bcsub($a, $b , 40)<BR>"; echo bcsqrt ($a, 40)."................bcsqrt($a, $b , 40)<BR>"; ?> Result: 0.23568...............a 0.45689...............b 0.45689...............b 0...............bccomp(0.23568, 0.45689 , 40) 0.5158353214121560988421720764297752194182................bcdiv(0.23568, 0.45689 , 40) 0.1076798352................bcmul(0.23568, 0.45689 , 40) ********* See here ***************************** 1................bcpow(0.23568, 0.45689 , 40) 0.5166786686981................pow(0.23568, 0.45689 ) ********* End of error ************************* 0.6925700000000000000000000000000000000000................bcadd(0.23568, 0.45689 , 40) -0.2212100000000000000000000000000000000000................bcsub(0.23568, 0.45689 , 40) 0.4854688455503607288095934026252222080687................bcsqrt(0.23568, 0.45689 , 40) ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=15026&edit=1