From f6dc74501b9478e270d575b7f63887a1872d4805 Mon Sep 17 00:00:00 2001
From: Peter Boyle <paboyle@ph.ed.ac.uk>
Date: Thu, 4 Jun 2015 12:01:51 +0100
Subject: [PATCH] Mistaken commit that prevented compile ; fixing

---
 lib/tensors/Tensor_trace.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/tensors/Tensor_trace.h b/lib/tensors/Tensor_trace.h
index 9c85080e..961a1339 100644
--- a/lib/tensors/Tensor_trace.h
+++ b/lib/tensors/Tensor_trace.h
@@ -75,7 +75,7 @@ auto traceIndex(const iMatrix<vtype,N> &arg) ->  iMatrix<decltype(traceIndex<Lev
 // Allow to recurse if vector, but never terminate on a vector
 // trace of a different index can distribute across the vector index in a replicated way
 // but we do not trace a vector index.
-template<int Level,class vtype,int N,typename std::enable_if< iVector<vtype>::TensorLevel != Level >::type * =nullptr> inline 
+template<int Level,class vtype,int N,typename std::enable_if< iScalar<vtype>::TensorLevel != Level >::type * =nullptr> inline 
 auto traceIndex(const iVector<vtype,N> &arg) ->  iVector<decltype(traceIndex<Level>(arg._internal[0])),N> 
 {
   iVector<decltype(traceIndex<Level>(arg._internal[0])),N> ret;