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Merge pull request #2010 from Fingercomp/bit32-rotate-fix

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Fix bit32.lrotate and bit32.rrotate
This commit is contained in:
Florian "Sangar" Nücke 2016-09-18 20:17:28 +02:00 committed by GitHub
commit ee620aeacd
1 changed files with 18 additions and 6 deletions
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24
src/main/resources/assets/opencomputers/loot/openos/lib/bit32.lua
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@ -66,9 +66,15 @@ function bit32.replace(n, v, field, width)
end
function bit32.lrotate(x, disp)
if disp == 0 then return x
elseif disp < 0 then return bit32.rrotate(x, -disp)
else return trim((x << disp) | (x >> (32 - disp))) end
if disp == 0 then
return x
elseif disp < 0 then
return bit32.rrotate(x, -disp)
else
disp = disp & 31
x = trim(x)
return trim((x << disp) | (x >> (32 - disp)))
end
end
function bit32.lshift(x, disp)
@ -76,9 +82,15 @@ function bit32.lshift(x, disp)
end
function bit32.rrotate(x, disp)
if disp == 0 then return x
elseif disp < 0 then return bit32.lrotate(x, -disp)
else return trim((x >> disp) | (x << (32 - disp))) end
if disp == 0 then
return x
elseif disp < 0 then
return bit32.lrotate(x, -disp)
else
disp = disp & 31
x = trim(x)
return trim((x >> disp) | (x << (32 - disp)))
end
end
function bit32.rshift(x, disp)