From 20f0734d6f298fdbcde40fe6244a62ea0dc35821 Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Wed, 17 May 2017 12:50:46 +0200
Subject: [PATCH] avoid comparison warnings in show

---
 src/GroupRings.jl | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/GroupRings.jl b/src/GroupRings.jl
index 490a61e..8085ab4 100644
--- a/src/GroupRings.jl
+++ b/src/GroupRings.jl
@@ -157,11 +157,12 @@ function show(io::IO, A::GroupRing)
 end
 
 function show(io::IO, X::GroupRingElem)
-   if X == parent(X)()
+   T = eltype(X.coeffs)
+   if X == parent(X)(T)
       print(io, "0*$((parent(X).group)())")
    else
-      T = eltype(X.coeffs)
-      elts = ("$(X.coeffs[i])*$(parent(X).basis[i])" for i in 1:length(X) if X.coeffs[i] != zero(T))
+
+      elts = ("$(X[i])*$(parent(X).basis[i])" for i in 1:length(X) if X[i] != zero(T))
       join(io, elts, " + ")
    end
 end