From 53bc7fe05c766f91303a4658e0bf55b3c7e30399 Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Fri, 12 May 2017 20:09:03 +0200
Subject: [PATCH] add elem_type, parent_type, generators

---
 src/automorphism_groups.jl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/automorphism_groups.jl b/src/automorphism_groups.jl
index f3f41c4..bb790c7 100644
--- a/src/automorphism_groups.jl
+++ b/src/automorphism_groups.jl
@@ -18,7 +18,9 @@ type AutGroup <: Group
 end
 
 
+elem_type(::AutGroup) = AutGroupElem
 
+parent_type(::AutGroupElem) = AutGroup
 
 
 function ϱ(i,j, pow=1)
@@ -140,6 +142,7 @@ function change_pow(s::AutSymbol, n::Int)
     end
 end
 
+generators(G::AutGroup) = [G(AutGroupElem(elt)) for elt in G.generators]
 
 (==)(s::AutSymbol, t::AutSymbol) = s.gen == t.gen && s.pow == t.pow