From c8211acccf967cf5a308d7593cdeb78f87033c49 Mon Sep 17 00:00:00 2001
From: Cristian C Lalescu <Cristian.Lalescu@ds.mpg.de>
Date: Fri, 1 Feb 2019 23:43:34 +0100
Subject: [PATCH] fix comparison

---
 bfps/cpp/particles/abstract_particles_system.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bfps/cpp/particles/abstract_particles_system.hpp b/bfps/cpp/particles/abstract_particles_system.hpp
index ee864b8c..5d49c8f4 100644
--- a/bfps/cpp/particles/abstract_particles_system.hpp
+++ b/bfps/cpp/particles/abstract_particles_system.hpp
@@ -80,7 +80,7 @@ public:
     void completeLoopWithExtraField(
             const real_number dt,
             const field<rnumber, be, fc>& in_field) {
-        static_assert(fc == THREE || THREExTHREE, "only THREE or THREExTHREE is supported for now");
+        static_assert((fc == THREE) || (fc == THREExTHREE), "only THREE or THREExTHREE is supported for now");
         if (fc == THREE)
         {
             std::unique_ptr<real_number[]> extra_rhs(new real_number[getLocalNbParticles()*3]());
-- 
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