prosody
494577d883ff
util/bit53.lua

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util/bit53.lua @ 12591:494577d883ff

util.table: Fix inaccurate comment Probably a duplicate of the comment next to Lmove, recorded by mistake Lpack can probably be removed at some point in the near future once we are confident it is not used anywhere.
author Kim Alvefur <zash@zash.se>
date Mon, 11 Jul 2022 20:02:10 +0200
parent 12365:af02b033bd7f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
Kim Alvefur <zash@zash.se>
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1 -- Only the operators needed by net.websocket.frames are provided at this point
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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2 return {
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af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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3 band = function (a, b, ...)
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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4 local ret = a & b;
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5 if ... then
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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6 for i = 1, select("#", ...) do
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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7 ret = ret & (select(i, ...));
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8 end
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9 end
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10 return ret;
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11 end;
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12 bor = function (a, b, ...)
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13 local ret = a | b;
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parents: 12358
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14 if ... then
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15 for i = 1, select("#", ...) do
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16 ret = ret | (select(i, ...));
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17 end
af02b033bd7f util.bit53: Support for more than 2 arguments, for compat with bit32
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18 end
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19 return ret;
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20 end;
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21 bxor = function (a, b, ...)
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22 local ret = a ~ b;
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parents: 12358
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23 if ... then
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parents: 12358
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24 for i = 1, select("#", ...) do
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25 ret = ret ~ (select(i, ...));
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26 end
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27 end
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28 return ret;
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29 end;
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d77d8fba44ad util.bit53: Add left- and right shift operations
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30 rshift = function (a, n) return a >> n end;
d77d8fba44ad util.bit53: Add left- and right shift operations
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31 lshift = function (a, n) return a << n end;
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parents:
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32 };
48f7cda4174d util.bitops: Library to find appropriate bitwise library (closes #1395)
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33