Bug #77197 [Fbk->NoF]: rounding problem

From: Date: Fri, 30 Nov 2018 15:54:30 +0000
Subject: Bug #77197 [Fbk->NoF]: rounding problem
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=77197&edit=1 ID: 77197 Updated by: peehaa@php.net Reported by: php_bug at sport-sachsenhausen dot de Summary: rounding problem -Status: Feedback +Status: No Feedback Type: Bug Package: *Math Functions Operating System: Linux PHP Version: 7.2.12 Block user comment: N Private report: N New Comment: No feedback was provided. The bug is being suspended because we assume that you are no longer experiencing the problem. If this is not the case and you are able to provide the information that was requested earlier, please do so and change the status of the bug back to "Re-Opened". Thank you. Previous Comments: ------------------------------------------------------------------------ [2018-11-25 14:00:11] peehaa@php.net It's not clear what this report is about. Please provide a clear explanation about what in specific is not working "as expected", with: - a simple reproduce case - the expected result - the actual result ------------------------------------------------------------------------ [2018-11-25 13:00:09] php_bug at sport-sachsenhausen dot de Description: ------------ rounding function not as expected Test script: --------------- # tested PHP 5.2, 5.3, 5.4, 5.5, 5.6, 7.0, 7.2.12 for( $i = 0; $i < 100; $i += 0.001 ) { $r_0 = round( $i ); $r_up = round( $i, 2, PHP_ROUND_HALF_UP ); $r_down = round( $i, 2, PHP_ROUND_HALF_DOWN ); # a) missing values # Line 7- 8: 0,085 + 0,095 # Line 73-74: 0,765 - 0,995 # Line 78-79: 1,055 - 4,965 # Line 81-82: 5,005 - 9,795 # Line 83-84: 9,825 - 18,755 # Line 92-93: 18,855 - 38,885 # Line 97-98: 38,945 - 76,225 # Line 101+ : 76,235 - 99,995 if( $r_up == $r_down ) continue; // comment out... -> attention! producing 99.999 lines # see lines: 1.461 - 4.836, 5.137 - 9.723, 9.905 - 10.000, 10.717 - 18.396, # 19.215 - 38.703, 39.133 - 76.139, 76.349 - 99.999 echo 'Line ' . $count++ . "| {$i} | round 0: {$r_0} | half up: {$r_up} | half down: {$r_down} <br>"; } ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=77197&edit=1

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