From 8463b928cbe4c24dabd9c87617ba2acebb091ccb Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Mon, 10 Jul 2017 19:26:44 +0200
Subject: [PATCH] add RG(i::Int) = i*(id) function

---
 src/GroupRings.jl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/GroupRings.jl b/src/GroupRings.jl
index 51f29f6..f5e326a 100644
--- a/src/GroupRings.jl
+++ b/src/GroupRings.jl
@@ -113,6 +113,11 @@ end
 #
 ###############################################################################
 
+zero(RG::GroupRing, T::Type=Int) = RG(T)
+one(RG::GroupRing, T::Type=Int) = RG(RG.group(), T)
+
+(RG::GroupRing)(i::Int, T::Type=Int) = i*one(RG, T)
+
 function (RG::GroupRing)(T::Type=Int)
    isdefined(RG, :basis) || throw("Complete the definition of GroupRing first")
    return GroupRingElem(spzeros(T,length(RG.basis)), RG)
@@ -187,9 +192,6 @@ end
 
 eltype(X::GroupRingElem) = eltype(X.coeffs)
 
-one(RG::GroupRing) = RG(RG.group())
-zero(RG::GroupRing) = RG()
-
 ###############################################################################
 #
 #   String I/O