It's awfully easy to add in your own code. Since they are simply aliases, I don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though. On May 31, 2017 11:48 PM, "Serhiy Storchaka" <storchaka@gmail.com> wrote: What you are think about adding Unicode aliases for some mathematic names in the math module? ;-) math.π = math.pi math.τ = math.tau math.Γ = math.gamma math.ℯ = math.e Unfortunately we can't use ∞, ∑ and √ as identifiers. :-( _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
It's awfully easy to add in your own code. Since they are simply aliases, I don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though. On May 31, 2017 11:48 PM, "Serhiy Storchaka" <storchaka@gmail.com> wrote: What you are think about adding Unicode aliases for some mathematic names in the math module? ;-) math.π = math.pi math.τ = math.tau math.Γ = math.gamma math.ℯ = math.e Unfortunately we can't use ∞, ∑ and √ as identifiers. :-( _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
01.06.17 10:03, David Mertz пише:
It's awfully easy to add in your own code. Since they are simply aliases, I don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though.
As well as adding tau = 2*math.pi in your own code. But this deserved the whole PEP and was added as a feature in 3.6.
Tau was kind of a joke. Stephan Op 1 jun. 2017 09:47 schreef "Serhiy Storchaka" <storchaka@gmail.com>: 01.06.17 10:03, David Mertz пише: It's awfully easy to add in your own code. Since they are simply aliases, I
don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though.
As well as adding tau = 2*math.pi in your own code. But this deserved the whole PEP and was added as a feature in 3.6. _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
Does this really make expressions more readable? More, these characters are difficult to write. 2017-06-01 9:53 GMT+02:00 Stephan Houben <stephanh42@gmail.com>:
Tau was kind of a joke.
Stephan
Op 1 jun. 2017 09:47 schreef "Serhiy Storchaka" <storchaka@gmail.com>:
01.06.17 10:03, David Mertz пише:
It's awfully easy to add in your own code. Since they are simply aliases,
I don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though.
As well as adding tau = 2*math.pi in your own code. But this deserved the whole PEP and was added as a feature in 3.6.
_______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
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-- Antoine Rozo
Hi Serhiy,
math.π is a kind of joke too.
The point is that tau, being a joke, should not be considered as setting a precedent.
Honest, it is strange, that Python allows Unicode identifiers, but doesn't have the one in its stdlib!
Actually it is policy: https://www.python.org/dev/peps/pep-3131/#policy-specification """ Policy Specification As an addition to the Python Coding style, the following policy is prescribed: All identifiers in the Python standard library MUST use ASCII-only identifiers, and SHOULD use English words wherever feasible (in many cases, abbreviations and technical terms are used which aren't English). In addition, string literals and comments must also be in ASCII. The only exceptions are (a) test cases testing the non-ASCII features, and (b) names of authors. Authors whose names are not based on the Latin alphabet MUST provide a Latin transliteration of their names. """ Stephan 2017-06-01 10:06 GMT+02:00 Serhiy Storchaka <storchaka@gmail.com>:
01.06.17 10:53, Stephan Houben пише:
Tau was kind of a joke.
math.π is a kind of joke too.
Honest, it is strange, that Python allows Unicode identifiers, but doesn't have the one in its stdlib!
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Hi Serhiy, For the record, *I* am a complete nobody, it's Guido you will have to convince. I am not sure that presenting it as a joke feature is the road to success, but admittedly it has at least worked once before. Stephan 2017-06-01 12:16 GMT+02:00 Serhiy Storchaka <storchaka@gmail.com>:
01.06.17 12:32, Stephan Houben пише:
math.π is a kind of joke too.
The point is that tau, being a joke, should not be considered as setting a precedent.
If add one joke feature per release, this one looks enough harmless.
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I think having math.pi is just for backward compatibility. We all use tau now, I assume. That's why the true definition is: pi = math.tau/2 :-) ... and yes, as someone else comments, adding tau was a bit whimsical in the spirit of 'import antigravity' and the line. On Jun 1, 2017 12:48 AM, "Serhiy Storchaka" <storchaka@gmail.com> wrote: 01.06.17 10:03, David Mertz пише: It's awfully easy to add in your own code. Since they are simply aliases, I
don't see why bother put the duplication in the standard library. You can even monkey patch if you want it in the 'math' namespace. I'd prefer a bare 'π' in my own code though.
As well as adding tau = 2*math.pi in your own code. But this deserved the whole PEP and was added as a feature in 3.6. _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
participants (4)
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Antoine Rozo -
David Mertz -
Serhiy Storchaka -
Stephan Houben