From 16700f013886b8d8cb02e322c2d66c00179d9c89 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 3 Mar 2026 19:46:31 +0100
Subject: Fixing ZouHe?

---
 lib/core/c++/boundary.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/core')

diff --git a/lib/core/c++/boundary.hpp b/lib/core/c++/boundary.hpp
index d5f3022..0a4ff4d 100644
--- a/lib/core/c++/boundary.hpp
+++ b/lib/core/c++/boundary.hpp
@@ -135,7 +135,7 @@ public:
 		for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Descriptor::Q}; ++k){
 			auto c_k = dfi::directions[k.get()];
 
-			if(c_k[0u]*known_dir <= 0){
+			if(c_k[0u]*known_dir >= 0){
 				sum_df += dfs_old.at({k});
 			}
 		}
@@ -147,7 +147,7 @@ public:
 
 		for(saw::data<sch::UInt64> k{0u}; k < saw::data<sch::UInt64>{Descriptor::Q}; ++k){
 			auto c_k = dfi::directions[k.get()];
-			if(c_k[0u]*known_dir < 0){
+			if(c_k[0u]*known_dir > 0){
 				sum_unknown_dfs += dfs_old.at({k}) * c_k[0u];
 			}
 		}
-- 
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