#13613: implement residue() for padic extensions
---------------------------+------------------------------------------------
   Reporter:  saraedum     |             Owner:  roed        
       Type:  enhancement  |            Status:  new         
   Priority:  trivial      |         Milestone:  sage-5.5    
  Component:  padics       |          Keywords:              
Work issues:               |   Report Upstream:  N/A         
  Reviewers:               |           Authors:  Julian Rueth
  Merged in:               |      Dependencies:              
   Stopgaps:               |  
---------------------------+------------------------------------------------
 Currently, elements of padic extensions do not provide a {{{residue()}}}
 method:

 {{{
 sage: sage: K=Qp(3)
 sage: K(3).residue()
 0
 sage: sage: R.<a> = K[]
 sage: sage: L.<a> = K.extension(a^2+1)
 sage: a.residue()
 AttributeError:
 'sage.rings.padics.padic_ZZ_pX_CR_element.pAdicZZpXCRElement' object has
 no attribute 'residue'
 }}}

 The attached patch fixes this.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13613>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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