From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Sun, 11 Oct 2020 21:32:01 +0000 (+0100)
Subject: [Minor] Lua_util: Fix round function
X-Git-Tag: 2.7~249
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=f1efd55e9d9afdc0bdee58c7b54dbff361e85363;p=rspamd.git

[Minor] Lua_util: Fix round function
---

diff --git a/lualib/lua_util.lua b/lualib/lua_util.lua
index 521424966..bcb697e2c 100644
--- a/lualib/lua_util.lua
+++ b/lualib/lua_util.lua
@@ -124,10 +124,14 @@ end
 -- @return {number} rounded number
 --]]
 
--- Robert Jay Gould http://lua-users.org/wiki/SimpleRound
+-- modified version from Robert Jay Gould http://lua-users.org/wiki/SimpleRound
 exports.round = function(num, numDecimalPlaces)
   local mult = 10^(numDecimalPlaces or 0)
-  return math.floor(num * mult) / mult
+  if num >= 0 then
+    return math.floor(num * mult + 0.5) / mult
+  else
+    return math.ceil(num * mult - 0.5) / mult
+  end
 end
 
 --[[[