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https://issues.apache.org/jira/browse/FLEX-24764?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Justin Mclean resolved FLEX-24764.
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Resolution: Fixed
Fix Version/s: Apache Flex 4.10.0
Ouch - how long has this been a bug? Fixed and checked into develop branch.
Mustella formatter tests pass.
Issue was not Number convert ion as this code also produced the error:
var nf:mx.formatters.NumberFormatter = new mx.formatters.NumberFormatter();
nf.precision = 2;
nf.rounding = "up";
var formatted:String = nf.format(17.76);
trace(formatted);
> Applying NumberFormatter.format() to 17.76 returns the incorrect value
> ----------------------------------------------------------------------
>
> Key: FLEX-24764
> URL: https://issues.apache.org/jira/browse/FLEX-24764
> Project: Apache Flex
> Issue Type: Bug
> Components: Formatters
> Affects Versions: Adobe Flex SDK Previous
> Environment: Affected OS(s): All OS Platforms
> Affected OS(s): All OS Platforms
> Browser: Other (specify version)
> Language Found: English
> Reporter: Adobe JIRA
> Assignee: Justin Mclean
> Fix For: Apache Flex 4.10.0
>
>
> {*** ORIGINALLY POSTED AS ALS-71 ; WAS REQUESTED TO POST IT HERE INSTEAD ***}
> Steps to reproduce:
> 1. setup a new NumberFormatter() instance, setting the precision to 2 and the
> rounding to "up":
> var nf:NumberFormatter = new NumberFormatter();
> nf.precision = 2;
> nf.rounding = "up";
> 2. Create a var to format the number 17.76:
> var num:Number = new Number( nf.format(17.76) );
> 3. Trace the result:
> trace(num);
>
> Actual Results: 17.77
>
> Expected Results: 17.76
> In my application my actual number starts out to a precision of 3 (17.760),
> but either way I get the same result. Other numbers do not seem to have this
> issue. I even tried 18.76, 17.77, 17.75, they all correctly round back to
> themselves (because the 3 digit would be interpreted as a 0 ).
> I have run into other issues where my number was divided by another and the
> result would be something like 13.7000000000001, and even though my interface
> only shows 13.70, the rounded correctly formats it to 13.71. However with
> this 17.76 number that doesn't seem to be the case.
> If this is not a bug, but rather a binary math error please explain why this
> number is specifically having the issue so I can relay that to my client.
> Specs:
> Eclipse 3.4.2
> Flash Builder 4.0 (build 272416) plugin
> Project is using the Flex 3.5 SDK
>
> Workaround (if any):
> Add logic to check to see if the value is 17.76 and not format it if it is
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