prosody
a451f80d1cea
util/human/units.lua

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util/human/units.lua @ 10890:a451f80d1cea

util.human.units: Handle lack of math.log(n, base) on Lua 5.1
author Kim Alvefur <zash@zash.se>
date Wed, 03 Jun 2020 20:17:33 +0200
parent 10889:25e0ec11b4e4
child 10903:c5f26f9adb31
comparison
equal deleted inserted replaced
10889:25e0ec11b4e4 10890:a451f80d1cea
3 local math_floor = math.floor; 3 local math_floor = math.floor;
4 local math_log = math.log; 4 local math_log = math.log;
5 local math_max = math.max; 5 local math_max = math.max;
6 local math_min = math.min; 6 local math_min = math.min;
7 local unpack = table.unpack or unpack; --luacheck: ignore 113 7 local unpack = table.unpack or unpack; --luacheck: ignore 113
8
9 if math_log(10, 10) ~= 1 then
10 -- Lua 5.1 COMPAT
11 local log10 = math.log10;
12 function math_log(n, base)
13 return log10(n) / log10(base);
14 end
15 end
8 16
9 local large = { 17 local large = {
10 "k", 1000, 18 "k", 1000,
11 "M", 1000000, 19 "M", 1000000,
12 "G", 1000000000, 20 "G", 1000000000,