From 5dfd216a34b227c8aad1c00b893dfc5a5108576e Mon Sep 17 00:00:00 2001
From: paboyle <paboyle@ph.ed.ac.uk>
Date: Mon, 4 Jun 2018 21:08:44 +0100
Subject: [PATCH] Better thread safety

---
 lib/algorithms/iterative/ImplicitlyRestartedLanczos.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/algorithms/iterative/ImplicitlyRestartedLanczos.h b/lib/algorithms/iterative/ImplicitlyRestartedLanczos.h
index cee566e6..64f1e9a7 100644
--- a/lib/algorithms/iterative/ImplicitlyRestartedLanczos.h
+++ b/lib/algorithms/iterative/ImplicitlyRestartedLanczos.h
@@ -57,9 +57,8 @@ void basisRotate(std::vector<Field> &basis,Eigen::MatrixXd& Qt,int j0, int j1, i
       
   parallel_region
   {
-    Vector < vobj > B; // Thread private
 
-    PARALLEL_CRITICAL { B.resize(Nm); }
+    std::vector < vobj , commAllocator<vobj> > B(Nm); // Thread private
        
     parallel_for_internal(int ss=0;ss < grid->oSites();ss++){
       for(int j=j0; j<j1; ++j) B[j]=0.;