ID: 27685 Updated by: [EMAIL PROTECTED] Reported By: ymlee at ibcenter dot co dot kr -Status: Open +Status: Bogus Bug Type: *General Issues Operating System: linux PHP Version: 4.3.4 New Comment:
Floating point values have a limited precision. Hence a value might not have the same string representation after any processing. That also includes writing a floating point value in your script and directly printing it without any mathematical operations. Thank you for your interest in PHP. . Previous Comments: ------------------------------------------------------------------------ [2004-03-24 19:12:52] ymlee at ibcenter dot co dot kr Description: ------------ $a=33.6; $b=84.7; $c=118.3; $d=$a+$b-$c; echo $d; the answer should 0. but result is 1.4210854715202E-14. it is strange!!! Reproduce code: --------------- $a=33.6; $b=84.7; $c=118.3; $d=$a+$b-$c; echo $d; Expected result: ---------------- 0 Actual result: -------------- 1.4210854715202E-14 ------------------------------------------------------------------------ -- Edit this bug report at http://bugs.php.net/?id=27685&edit=1
