#9054: create a class for basic function_field arithmetic for Sage
---------------------------+------------------------------------------------
   Reporter:  was          |       Owner:  was       
       Type:  enhancement  |      Status:  new       
   Priority:  major        |   Milestone:  sage-4.5.1
  Component:  algebra      |    Keywords:            
     Author:               |    Upstream:  N/A       
   Reviewer:               |      Merged:            
Work_issues:               |  
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Comment(by mderickx):

 Oeps, wrong fromatting. Now a bit more readable:

 {{{
 sage -t  "devel/sage-mderickx/sage/modular/abvar/morphism.py" # 1 failure

 sage -t  "devel/sage-mderickx/sage/modular/abvar/finite_subgroup.py" # 1
 failure

 sage -t  "devel/sage-main/sage/modular/modform/hecke_operator_on_qexp.py"
 # 1 failure

 }}}

 They are all related since their error messages all end in:
 {{{

       File "/Applications/sage/local/lib/python/site-
 packages/sage/modules/free_module.py", line 4700, in _echelonized_basis
         d = self._denominator(basis)
       File "/Applications/sage/local/lib/python/site-
 packages/sage/modules/free_module.py", line 4810, in _denominator
         d = d.lcm(x.denominator())
     AttributeError: 'int' object has no attribute 'lcm'
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9054#comment:17>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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