Ticket #6510: trac_6510.patch

File trac_6510.patch, 0.7 KB (added by tsutton, 8 months ago)

  • sage/groups/abelian_gps/abelian_group.py 

    # HG changeset patch
# User David Roe <roed@math.harvard.edu>
# Date 1247263227 25200
# Node ID 415954b80bcbc6a492b64bbbcab25f15d1d6f52f
# Parent  bd75237b47e093391f6743fe032a9988c2d63cf6
Adds __nonzero__ to AbelianGroup.

diff -r bd75237b47e0 -r 415954b80bcb sage/groups/abelian_gps/abelian_group.py
    a b  
    513513                return False 
    514514        return True 
    515515 
     516    def __nonzero__(self): 
     517        return len(self.invariants()) != 0 
     518 
    516519    def dual_group(self): 
    517520        """ 
    518521        Returns the dual group.