Doc #66745 [Opn->Csd]: Scientific notation

Edit report at https://bugs.php.net/bug.php?id=66745&edit=1 ID: 66745 Updated by: cmb@php.net Reported by: eric dot vercherat at gmail dot com Summary: Scientific notation -Status: Open +Status: Closed Type: Documentation Problem Package: BC math related PHP Version: Irrelevant -Assigned To: +Assigned To: cmb Block user comment: N Private report: N Previous Comments: ------------------------------------------------------------------------ [2017-09-07 22:23:29] cmb@php.net Automatic comment from SVN on behalf of cmb Revision: http://svn.php.net/viewvc/?view=revision&revision=343020 Log: Fix bug #66745: Scientific notation We document that float to string is problematic for BCMath. ------------------------------------------------------------------------ [2016-07-13 23:55:47] cmb@php.net Related to bug #66959. ------------------------------------------------------------------------ [2014-07-03 17:46:13] aharvey@php.net A pull request would be welcome, I'm sure. ------------------------------------------------------------------------ [2014-07-03 16:41:36] tycoonmaster at gmail dot com I do not know if this is intentional or merely an oversight but I encounter this problem, constantly, every day. So far the easiest solution has been to format the string: $number = number_format($number, 8, '.', ''); prior to passing it into BC functions. Are there any patches/fixes for this in the future? Or will I and so many others, need to constantly work around this issue? Example: http://www.php.net/manual/en/ref.bc.php#92888 ------------------------------------------------------------------------ [2014-02-20 08:32:55] eric dot vercherat at gmail dot com Description: ------------ --- From manual page: http://www.php.net/ref.bc --- It's not mentioned in the documentation that BC Math doesn't support scientific notation. Please make something about it. Test script: --------------- $a = '1' ; $b = '0.00000001'; $result = bcdiv($a, $b); var_dump($result); $a = '1' ; $b = '1e-8'; $result = bcdiv($a, $b); var_dump($result); Expected result: ---------------- string(40) "100000000.000000000000000000000000000000" Actual result: -------------- Warning: bcdiv() [function.bcdiv]: Division by zero in C:\wamp\www\utilitaires\test_bcdiv.php on line 17 NULL ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=66745&edit=1