Re: [ANN] Lua 5.3.0 (work2) now available
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- Subject: Re: [ANN] Lua 5.3.0 (work2) now available
- From: Roberto Ierusalimschy <roberto@...>
- Date: 2014年3月26日 11:50:49 -0300
> But the bit32 library has arshift. It does seem a pity to deprecate
> something not
> superseded by something better. Maybe the 64-bit arithmetic right shift can be
> provided as math.arshift?
A call to math.arshift(x,d) will be even slower than x // 2^d. (The
whole point of an arithmetic shfift seems to be that it is faster than
x//2^d.)
-- Roberto
- References:
- Re: [ANN] Lua 5.3.0 (work2) now available, Coda Highland
- Re: [ANN] Lua 5.3.0 (work2) now available, Dirk Laurie
- Re: [ANN] Lua 5.3.0 (work2) now available, Coda Highland
- Re: [ANN] Lua 5.3.0 (work2) now available, Roberto Ierusalimschy
- Re: [ANN] Lua 5.3.0 (work2) now available, Tim Hill
- Re: [ANN] Lua 5.3.0 (work2) now available, Enrico Colombini
- Re: [ANN] Lua 5.3.0 (work2) now available, Dirk Laurie
- Re: [ANN] Lua 5.3.0 (work2) now available, Daniel Silverstone
- Re: [ANN] Lua 5.3.0 (work2) now available, Rob Kendrick
- Re: [ANN] Lua 5.3.0 (work2) now available, Dirk Laurie