From 09b2b5be585182177478d848df75a3be3d7af297 Mon Sep 17 00:00:00 2001
From: Markus Holzer <markus.holzer@fau.de>
Date: Wed, 23 Mar 2022 07:37:09 +0100
Subject: [PATCH] Fixes Index Vector comparison

---
 python/pystencils_walberla/templates/Boundary.tmpl.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python/pystencils_walberla/templates/Boundary.tmpl.h b/python/pystencils_walberla/templates/Boundary.tmpl.h
index daf3e0c96..8a673d32e 100644
--- a/python/pystencils_walberla/templates/Boundary.tmpl.h
+++ b/python/pystencils_walberla/templates/Boundary.tmpl.h
@@ -70,7 +70,7 @@ public:
         };
 
         IndexVectors() = default;
-        bool operator==(IndexVectors & other) { return other.cpuVectors_ == cpuVectors_; }
+        bool operator==(IndexVectors const &other) const { return other.cpuVectors_ == cpuVectors_; }
 
         {% if target == 'gpu' -%}
         ~IndexVectors() {
-- 
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