From a6f428e91457dae36efda91fbdc1eb4f0617132d Mon Sep 17 00:00:00 2001
From: mzuenni <michi.zuendorf@gmail.com>
Date: Thu, 12 Sep 2024 00:25:38 +0200
Subject: improve halfplane intersection tests

---
 content/geometry/hpi.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'content/geometry')

diff --git a/content/geometry/hpi.cpp b/content/geometry/hpi.cpp
index f3dc08d..02c71e3 100644
--- a/content/geometry/hpi.cpp
+++ b/content/geometry/hpi.cpp
@@ -60,7 +60,7 @@ deque<hp> intersect(vector<hp> hps) {
 
 	while (sz(dq) > 2 && dq[0].check(dq.end()[-1], dq.end()[-2]))
 		dq.pop_back();
-	while (sz(dq) > 2 && dq.end()[-1].check(dq[0], dq[1]))
+	while (sz(dq) > 2 && dq.back().check(dq[0], dq[1]))
 		dq.pop_front();
 
 	if (sz(dq) < 3) return {};
-- 
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