Opened 8 years ago

Last modified 5 years ago

#28280 closed Bug

numberformat.format does not handle scientific notation correctly — at Version 1

Reported by: Wil Tan Owned by: nobody
Component: Utilities Version: dev
Severity: Normal Keywords:
Cc: Triage Stage: Ready for checkin
Has patch: yes Needs documentation: no
Needs tests: no Patch needs improvement: no
Easy pickings: no UI/UX: no

Description (last modified by Tim Graham)

For floats with values larger than 1e16 or smaller than 1e-5, their string representation uses scientific notation in Python, which causes numberformat.format to return an erroneous output.

>>> from django.utils.numberformat import format
>>> format(0.0000000000000000009, '.', 2)
'9e-19.00'
>>> format(1e16, '.', 2, thousand_sep=',', grouping=3, force_grouping=True)
'1e,+16.00'

This is similar to #23935 but that was only fixed for Decimal types.

Change History (1)

comment:1 by Tim Graham, 8 years ago

Component: Uncategorized → Utilities
Description: modified (diff)
Triage Stage: Unreviewed → Accepted
Type: Uncategorized → Bug
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