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Groups > comp.lang.python > #8451
| From | Chris Torek <nospam@torek.net> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: Significant figures calculation |
| Date | 2011-06-25 19:04 +0000 |
| Organization | None of the Above |
| Message-ID | <iu5bgk01v0@news2.newsguy.com> (permalink) |
| References | <10b8388e-76fc-4a93-aeff-676cdb3d1d12@5g2000yqb.googlegroups.com> <4e04f793$0$29975$c3e8da3$5496439d@news.astraweb.com> <mailman.386.1308949143.1164.python-list@python.org> |
In article <mailman.386.1308949143.1164.python-list@python.org>
Jerry Hill <malaclypse2@gmail.com> wrote:
>I'm curious. Is there a way to get the number of significant digits
>for a particular Decimal instance?
Yes:
def sigdig(x):
"return the number of significant digits in x"
return len(x.as_tuple()[1])
import decimal
D = decimal.Decimal
for x in (
'1',
'1.00',
'1.23400e-8',
'0.003'
):
print 'sigdig(%s): %d' % (x, sigdig(D(x)))
--
In-Real-Life: Chris Torek, Wind River Systems
Intel require I note that my opinions are not those of WRS or Intel
Salt Lake City, UT, USA (40°39.22'N, 111°50.29'W) +1 801 277 2603
email: gmail (figure it out) http://web.torek.net/torek/index.html
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Significant figures calculation Harold <dadapapa@googlemail.com> - 2011-06-24 13:05 -0700
Re: Significant figures calculation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-24 20:46 +0000
Re: Significant figures calculation Jerry Hill <malaclypse2@gmail.com> - 2011-06-24 16:58 -0400
Re: Significant figures calculation steve+comp.lang.python@pearwood.info - 2011-06-25 10:31 +1000
Re: Significant figures calculation Chris Torek <nospam@torek.net> - 2011-06-25 19:04 +0000
Re: Significant figures calculation Harold <dadapapa@googlemail.com> - 2011-06-26 08:35 -0700
Re: Significant figures calculation Dave Angel <davea@ieee.org> - 2011-06-27 08:04 -0400
Re: Significant figures calculation Harold <dadapapa@googlemail.com> - 2011-06-27 06:40 -0700
Re: Significant figures calculation Ethan Furman <ethan@stoneleaf.us> - 2011-06-27 13:53 -0700
Re: Significant figures calculation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-28 12:56 +1000
Re: Significant figures calculation Chris Angelico <rosuav@gmail.com> - 2011-06-28 13:16 +1000
Re: Significant figures calculation Erik Max Francis <max@alcyone.com> - 2011-06-27 20:45 -0700
Re: Significant figures calculation Mel <mwilson@the-wire.com> - 2011-06-28 07:47 -0400
Re: Significant figures calculation Chris Angelico <rosuav@gmail.com> - 2011-06-28 21:57 +1000
Re: Significant figures calculation Erik Max Francis <max@alcyone.com> - 2011-06-28 11:54 -0700
Re: Significant figures calculation Mel <mwilson@the-wire.com> - 2011-06-28 16:47 -0400
Re: Significant figures calculation Erik Max Francis <max@alcyone.com> - 2011-06-28 14:01 -0700
Re: Significant figures calculation Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-06-28 18:35 +1000
Re: Significant figures calculation Erik Max Francis <max@alcyone.com> - 2011-06-28 11:59 -0700
Re: Significant figures calculation Erik Max Francis <max@alcyone.com> - 2011-06-27 20:49 -0700
Re: Significant figures calculation Ethan Furman <ethan@stoneleaf.us> - 2011-06-27 15:58 -0700
Re: Significant figures calculation Harold <dadapapa@googlemail.com> - 2011-06-24 18:50 -0700
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