From 907bbd16552acd1cf089a5e2b05056f3357a55dc Mon Sep 17 00:00:00 2001
From: kikito <kikito@gmail.com>
Date: Mon, 6 Apr 2015 17:39:17 +0200
Subject: [PATCH] Remove unneeded locals

---
 md5.lua | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/md5.lua b/md5.lua
index 0ffa585..868e7b8 100644
--- a/md5.lua
+++ b/md5.lua
@@ -30,7 +30,6 @@ local md5 = {
 
 -- bit lib implementions
 
-local floor, abs, max = math.floor, math.abs, math.max
 local char, byte, format, rep, sub =
   string.char, string.byte, string.format, string.rep, string.sub
 local bit_or, bit_and, bit_not, bit_xor, bit_rshift, bit_lshift
@@ -80,7 +79,7 @@ else
 
   function bit_not(n)
     local tbl = to_bits(n)
-    local size = max(#tbl, 32)
+    local size = math.max(#tbl, 32)
     for i = 1, size do
       if(tbl[i] == 1) then
         tbl[i] = 0
@@ -95,7 +94,7 @@ else
   to_bits = function (n)
     if(n < 0) then
       -- negative
-      return to_bits(bit_not(abs(n)) + 1)
+      return to_bits(bit_not(math.abs(n)) + 1)
     end
     -- to bits table
     local tbl = {}
@@ -169,10 +168,12 @@ else
     local high_bit = 0
     if(n < 0) then
       -- negative
-      n = bit_not(abs(n)) + 1
+      n = bit_not(math.abs(n)) + 1
       high_bit = 2147483648 -- 0x80000000
     end
 
+    local floor = math.floor
+
     for i=1, bits do
       n = n/2
       n = bit_or(floor(n), high_bit)
@@ -183,7 +184,7 @@ else
   function bit_lshift(n, bits)
     if(n < 0) then
       -- negative
-      n = bit_not(abs(n)) + 1
+      n = bit_not(math.abs(n)) + 1
     end
 
     for i=1, bits do