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LuaBit: Minor cleanup

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Bug: T353678
Change-Id: I19527eb162c20b5a6017dc3c4dd2b98bf5cad5d9
(cherry picked from commit 836baa7142)
This commit is contained in:
Reedy 2023-12-18 23:45:57 +00:00
parent e891a9f025
commit 4b702cbc54
2 changed files with 6 additions and 24 deletions
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17
includes/Engines/LuaCommon/lualib/luabit/bit.lua
View file

@ -133,7 +133,6 @@ local function bit_and(m, n)
end end
local function bit_not(n) local function bit_not(n)
local tbl = to_bits(n) local tbl = to_bits(n)
local size = math.max(table.getn(tbl), 32) local size = math.max(table.getn(tbl), 32)
for i = 1, size do for i = 1, size do
@ -213,8 +212,7 @@ end
local function bit_xor2(m, n) local function bit_xor2(m, n)
local rhs = bit_or(bit_not(m), bit_not(n)) local rhs = bit_or(bit_not(m), bit_not(n))
local lhs = bit_or(m, n) local lhs = bit_or(m, n)
local rslt = bit_and(lhs, rhs) return bit_and(lhs, rhs)
return rslt
end end
-------------------- --------------------
@ -249,16 +247,3 @@ for i = 1, 100 do
end end
end end
--]] --]]

13
includes/Engines/LuaCommon/lualib/luabit/hex.lua
View file

@ -36,11 +36,11 @@ local function to_hex(n)
n = bit.tonumb(n) n = bit.tonumb(n)
end end
hex_tbl = {'A', 'B', 'C', 'D', 'E', 'F'} local hex_tbl = {'A', 'B', 'C', 'D', 'E', 'F'}
hex_str = "" local hex_str = ""
while(n ~= 0) do while(n ~= 0) do
last = math.mod(n, 16) local last = math.mod(n, 16)
if(last < 10) then if(last < 10) then
hex_str = tostring(last) .. hex_str hex_str = tostring(last) .. hex_str
else else
@ -59,15 +59,13 @@ local function to_dec(hex)
error("non-string type passed in.") error("non-string type passed in.")
end end
head = string.sub(hex, 1, 2) local head = string.sub(hex, 1, 2)
if( head ~= "0x" and head ~= "0X") then if( head ~= "0x" and head ~= "0X") then
error("wrong hex format, should lead by 0x or 0X.") error("wrong hex format, should lead by 0x or 0X.")
end end
v = tonumber(string.sub(hex, 3), 16) return tonumber(string.sub(hex, 3), 16)
return v;
end end
-------------------- --------------------
@ -88,7 +86,6 @@ h = to_hex(d)
print(h) print(h)
print(to_dec(h)) print(to_dec(h))
for i = 1, 100000 do for i = 1, 100000 do
h = hex.to_hex(i) h = hex.to_hex(i)
d = hex.to_dec(h) d = hex.to_dec(h)