From fad5591aa7eb45f0067df01b89a460f35d94fec7 Mon Sep 17 00:00:00 2001
From: garhve <git@garhve.com>
Date: Tue, 6 Dec 2022 09:04:40 +0800
Subject: initialize

---
 lua/5.lua | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100755 lua/5.lua

(limited to 'lua/5.lua')

diff --git a/lua/5.lua b/lua/5.lua
new file mode 100755
index 0000000..eeeb25c
--- /dev/null
+++ b/lua/5.lua
@@ -0,0 +1,7 @@
+local tolerance = 10;
+function isturnback(angle)
+    angle = angle % 360;
+    return (math.abs(angle - 180) < tolerance)
+end
+
+print(isturnback(-180))
-- 
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