From c880b51346b18d9d0fbf3c48f09779fb3ce7cc3a Mon Sep 17 00:00:00 2001
From: kalmarek <kalmar@amu.edu.pl>
Date: Thu, 29 Mar 2018 19:37:32 +0200
Subject: [PATCH] remove isone(::GSymbol)

---
 src/FreeGroup.jl | 5 +++--
 src/Groups.jl    | 6 +-----
 2 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/src/FreeGroup.jl b/src/FreeGroup.jl
index 6624f2b..64d9b28 100644
--- a/src/FreeGroup.jl
+++ b/src/FreeGroup.jl
@@ -102,9 +102,10 @@ end
 ###############################################################################
 
 function (==)(s::FreeSymbol, t::FreeSymbol)
-   isone(s) && isone(t) && return true
-   s.str == t.str || return false
    s.pow == t.pow || return false
+   s.pow ==  0 && return true
+   s.str == t.str || return false
+
    return true
 end
 
diff --git a/src/Groups.jl b/src/Groups.jl
index c8e663d..fe117ea 100644
--- a/src/Groups.jl
+++ b/src/Groups.jl
@@ -103,8 +103,6 @@ function deepcopy_internal(W::T, dict::ObjectIdDict) where {T<:GWord}
     return G(T(deepcopy(W.symbols)))
 end
 
-isone(s::GSymbol) = s.pow == 0
-
 length(W::GWord) = sum([length(s) for s in W.symbols])
 
 function delete_ids!(W::GWord)
@@ -189,9 +187,7 @@ function show(io::IO, W::GWord)
 end
 
 function show(io::IO, s::T) where {T<:GSymbol}
-   if isone(s)
-      print(io, "(id)")
-   elseif s.pow == 1
+   if s.pow == 1
       print(io, s.str)
    else
       print(io, (s.str)*"^$(s.pow)")