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trunc(x) erroneously documented as built-in #49164

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MLModel mannequin opened this issue Jan 11, 2009 · 3 comments
Closed

trunc(x) erroneously documented as built-in #49164

MLModel mannequin opened this issue Jan 11, 2009 · 3 comments
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@birkenfeld
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docs Documentation in the Doc dir stdlib Python modules in the Lib dir

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@MLModel
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Mannequin

MLModel mannequin commented Jan 11, 2009

BPO 4914
Nosy @birkenfeld, @terryjreedy, @MLModel

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = 'https://github.com/birkenfeld'
closed_at = <Date 2009-01-18.10:48:24.954>
created_at = <Date 2009-01-11.05:37:14.903>
labels = ['library', 'docs']
title = 'trunc(x) erroneously documented as built-in'
updated_at = <Date 2009-01-18.10:48:24.953>
user = 'https://github.com/MLModel'

bugs.python.org fields:

activity = <Date 2009-01-18.10:48:24.953>
actor = 'georg.brandl'
assignee = 'georg.brandl'
closed = True
closed_date = <Date 2009-01-18.10:48:24.954>
closer = 'georg.brandl'
components = ['Documentation', 'Library (Lib)']
creation = <Date 2009-01-11.05:37:14.903>
creator = 'MLModel'
dependencies = []
files = []
hgrepos = []
issue_num = 4914
keywords = []
message_count = 3.0
messages = ['79590', '80005', '80089']
nosy_count = 3.0
nosy_names = ['georg.brandl', 'terry.reedy', 'MLModel']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue4914'
versions = ['Python 2.6', 'Python 3.0', 'Python 3.1']
@MLModel
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MLModel mannequin commented Jan 11, 2009

In the Numeric Types documentation for 2.6, 3.0, and 3.1 trunc is
documented as a built-in, like round, but while there is a trunc in math
there is no built-in trunc. Read some of the debate on trunc from a year
ago convinced me that this discrepancy is a documentation problem not a
problem with the built-in functions. Sorry if I'm completely off target
here, but since I noticed I figured it was worth an issue.

@MLModel MLModel mannequin assigned birkenfeld Jan 11, 2009
@MLModel MLModel mannequin added docs Documentation in the Doc dir stdlib Python modules in the Lib dir labels Jan 11, 2009
@terryjreedy
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Confirmed for 3.0 that trunc does not exist in the builtins module and
is not listed in the Built-in functions section but is listed in the
Numeric Types section. So I agree "trunc(x) x truncated to Integral "
should leave the Operation table.

Yes, MM, we do want to clean up such discrepancies.

trunc is in the math module and is listed in its doc.

@birkenfeld
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Thanks, fixed in r68721.

@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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