# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1591208253 -7200
# Node ID a451f80d1cea85a959b55ca507ee93b2d8ad0778
# Parent  25e0ec11b4e4707ae12e5ca827d98513063f4abe
util.human.units: Handle lack of math.log(n, base) on Lua 5.1

diff -r 25e0ec11b4e4 -r a451f80d1cea util/human/units.lua
--- a/util/human/units.lua	Wed Jun 03 20:16:00 2020 +0200
+++ b/util/human/units.lua	Wed Jun 03 20:17:33 2020 +0200
@@ -6,6 +6,14 @@
 local math_min = math.min;
 local unpack = table.unpack or unpack; --luacheck: ignore 113
 
+if math_log(10, 10) ~= 1 then
+	-- Lua 5.1 COMPAT
+	local log10 = math.log10;
+	function math_log(n, base)
+		return log10(n) / log10(base);
+	end
+end
+
 local large = {
 	"k", 1000,
 	"M", 1000000,