#12455: Make Airy functions symbolic
---------------------------------------------+------------------------------
       Reporter:  olazo                      |         Owner:  olazo            
                
           Type:  enhancement                |        Status:  needs_work       
                
       Priority:  major                      |     Milestone:  sage-5.0         
                
      Component:  symbolics                  |    Resolution:                   
                
       Keywords:  Airy functions             |   Work issues:  circular import, 
doctest failures
Report Upstream:  N/A                        |     Reviewers:  Benjamin Jones   
                
        Authors:  Oscar Gerardo Lazo Arjona  |     Merged in:                   
                
   Dependencies:                             |      Stopgaps:                   
                
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Changes (by benjaminfjones):

  * work_issues:  => circular import, doctest failures


Comment:

 I found the cause of the problem in comment [comment:17]. There is a
 circular import going on because
 {{{
 from airy import airy_ai, airy_bi
 }}}
 occurs at the top of `sage/functions/all.py`. If you move it to the bottom
 of the file, sage starts just fine.

 There a several doctests that fail, however. Oscar, I think that running
 `sage -coverage` only checks to see if there are doctest for every
 function, it doesn't actually run the tests. Use

 {{{
 sage -t devel/sage/sage/functions/airy.py
 }}}

 to run the tests and get feedback.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12455#comment:18>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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