#29130: floatformat is rounding off incorrectly
-------------------------------------+-------------------------------------
Reporter: Akash Deshpande | Owner: nobody
Type: Bug | Status: new
Component: Template system | Version: 1.11
Severity: Normal | Resolution:
Keywords: template float | Triage Stage:
filter | Unreviewed
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Old description:
> I think the below changes broke/caused issues in floatformat
>
> https://github.com/django/django/commit/12f7928f5a455e330c0a7f19bc86b37baca12811
>
> Easiest way to replicate the issue is
> 1. Create a simple view with a template
>
> views.py
> \\
> def test(request):
> return render('test.html')
>
> test.html
> \\
> {{ 331.44999999999|floatformat:-1 }}
>
> The above should return 331.5, but returns 331.4. This changed in django
> 1.11. (It returned 331.5 in django 1.8.X )
New description:
I think 12f7928f5a455e330c0a7f19bc86b37baca12811 caused a regression in
`floatformat`.
`{{ 331.44999999999|floatformat:-1 }}`
The above should return 331.5, but returns 331.4. This changed in django
1.11. (It returned 331.5 in django 1.8.X )
--
Comment (by Tim Graham):
The current behavior looks correct to me. If rounding to one decimal
place, look at the second decimal place (4). Since that's less than five,
round down. Have I misunderstood the rules for rounding?
--
Ticket URL: <https://code.djangoproject.com/ticket/29130#comment:1>
Django <https://code.djangoproject.com/>
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