On Sat, Feb 19, 2022 at 6:31 AM Damian Shaw <damian.peter.s...@gmail.com> wrote:
> That sounds like a lot of extra checks to put on "/" > This isn’t about the division — it’s about the literal. The “e” notation makes a float. And floats have fixed precision. Python could try to be smart and create an integer for e notation that happens to be an integer value, but I really don’t see the utility in that. The other “Solution” would be for Python to adopt unlimited precision floats. A major change. -CHB when the error message is clear and the user could implement their own > checks if they are running into this niche use case and do 10**400 / > int(1e200). > > Damian (he/him) > > On Sat, Feb 19, 2022 at 8:36 AM Stefan Pochmann <smpochm...@gmail.com> > wrote: > >> It crashes because it tries to convert 10**400 to a float and that fails: >> >> >>> 10**400 / 1e200 >> Traceback (most recent call last): >> File "<pyshell#10>", line 1, in <module> >> 10**400 / 1e200 >> OverflowError: int too large to convert to float >> >> But with two ints it succeeds: >> >> >>> 10**400 / 10**200 >> 1e+200 >> >> Note that 1e200 is an integer: >> >> >>> 1e200.is_integer() >> True >> >> So that could losslessly be converted to int, and then the division would >> succeed: >> >> >>> 10**400 / int(1e200) >> 1e+200 >> >> So could/should 10**400 / 1e200 be implemented to do that instead of >> raising the error? Or is it a too rare use case and not worth the effort, >> or does something else speak against it? >> _______________________________________________ >> Python-ideas mailing list -- python-ideas@python.org >> To unsubscribe send an email to python-ideas-le...@python.org >> https://mail.python.org/mailman3/lists/python-ideas.python.org/ >> Message archived at >> https://mail.python.org/archives/list/python-ideas@python.org/message/O7FE5AAWPA77QRQPKJVT6AB3XK7QPUZG/ >> Code of Conduct: http://python.org/psf/codeofconduct/ >> > _______________________________________________ > Python-ideas mailing list -- python-ideas@python.org > To unsubscribe send an email to python-ideas-le...@python.org > https://mail.python.org/mailman3/lists/python-ideas.python.org/ > Message archived at > https://mail.python.org/archives/list/python-ideas@python.org/message/LBNH5IOG2LI6TU5IVCFI76GPPOLV4ZZF/ > Code of Conduct: http://python.org/psf/codeofconduct/ > -- Christopher Barker, PhD (Chris) Python Language Consulting - Teaching - Scientific Software Development - Desktop GUI and Web Development - wxPython, numpy, scipy, Cython
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