New submission from David Chambers <[email protected]>:
According to
https://docs.python.org/3/library/string.html#format-specification-mini-language,
“insignificant trailing zeros are removed from the significand” when 'g' is
specified. I encountered a situation in which a trailing zero is not removed:
$ python3
Python 3.7.7 (default, Mar 10 2020, 15:43:03)
[Clang 11.0.0 (clang-1100.0.33.17)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> '{0:.3g}'.format(1504)
'1.5e+03'
>>> '{0:.3g}'.format(1505)
'1.50e+03'
>>> '{0:.3g}'.format(1506)
'1.51e+03'
Is this behaviour intentional? If so, why is the trailing zero in 1.50
considered significant for 1505 but insignificant for 1504?
----------
messages: 369983
nosy: davidchambers
priority: normal
severity: normal
status: open
title: str.format() handles trailing zeros inconsistently in “general” format
type: behavior
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Python tracker <[email protected]>
<https://bugs.python.org/issue40780>
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