moonledger

commit b6f5efed0f2ab14712c0abd933a83893632cb3d4
parent 5d3441876b76c2c7d86a7e757403a737d51affa4
Author: Nihal Jere <nihal@nihaljere.xyz>
Date:   Wed, 17 Aug 2022 13:51:36 -0500

decmath: fix equality, add __eq

Diffstat:
M
decmath.lua
 | 
17
++++++++++++++++-

1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/decmath.lua b/decmath.lua
@@ -19,10 +19,25 @@ local meta = {
 		end
 
 		if a.exp > b.exp then
-			return {sig = b.sig * 10^(b.exp - a.exp), exp = a.exp}
+			return {sig = b.sig + a.sig * 10^(a.exp - b.exp), exp = b.exp}
 		end
 
 		return {sig = a.sig + b.sig, exp = a.exp}
+	end,
+	__eq = function(a, b)
+		if type(a) == "number" then
+			a = {sig = a, exp = 0}
+		end
+
+		if type(b) == "number" then
+			b = {sig = b, exp = 0}
+		end
+
+		if a.exp < b.exp then
+			a, b = b, a
+		end
+
+		return a.sig == b.sig * 10^(a.exp - b.exp)
 	end
 }