Re: Beginner. 2d rotation gives unexpected results.

From	Terry Reedy <tjreedy@udel.edu>
Subject	Re: Beginner. 2d rotation gives unexpected results.
Date	2013-07-24 19:55 -0400
References	<0a905ff1-199c-4900-81e6-d9b7bb63bb44@googlegroups.com> <CAN1F8qX10vN5Ks2MYT37Oa=rH02M8qKLVvS2D8r2eLA_+hdcmA@mail.gmail.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.5073.1374710157.3114.python-list@python.org> (permalink)

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On 7/24/2013 5:17 PM, Joshua Landau wrote:

>     import math as m
>
>
> GAH!
>
> Why on earth would you do such a thing?

for the same reason people do 'import tkinter as tk': to minimize typing 
and maximize clarity. In this case,
   from math import sin, cos, radians
also works well

-- 
Terry Jan Reedy

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Beginner. 2d rotation gives unexpected results. enmce@yandex.ru - 2013-07-23 05:34 -0700
  Re: Beginner. 2d rotation gives unexpected results. Peter Otten <__peter__@web.de> - 2013-07-23 15:11 +0200
    Re: Beginner. 2d rotation gives unexpected results. Nobody <nobody@nowhere.com> - 2013-07-23 16:20 +0100
  Re: Beginner. 2d rotation gives unexpected results. David Hutto <dwightdhutto@gmail.com> - 2013-07-23 09:04 -0400
  Re: Beginner. 2d rotation gives unexpected results. Joshua Landau <joshua@landau.ws> - 2013-07-24 22:17 +0100
  Re: Beginner. 2d rotation gives unexpected results. Terry Reedy <tjreedy@udel.edu> - 2013-07-24 19:55 -0400

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