From c8e5f1e67788976ff65611fbf77b3be13bffd79a Mon Sep 17 00:00:00 2001
From: ubq323 <ubq323@ubq323.website>
Date: Thu, 4 Apr 2024 00:33:07 +0100
Subject: launch cactus

---
 numutil.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 numutil.lua

(limited to 'numutil.lua')

diff --git a/numutil.lua b/numutil.lua
new file mode 100644
index 0000000..ce212c4
--- /dev/null
+++ b/numutil.lua
@@ -0,0 +1,11 @@
+local function sign(x)
+	if x > 0 then return 1
+	elseif x < 0 then return -1
+	else return 0
+	end
+end
+
+
+return {
+	sign = sign,
+}
-- 
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