Re: [ANN] Lua 5.3.0 (beta) now available
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- Subject: Re: [ANN] Lua 5.3.0 (beta) now available
- From: Coda Highland <chighland@...>
- Date: 2014年10月23日 15:37:32 -0700
On Thu, Oct 23, 2014 at 3:17 PM, William Ahern
<william@25thandclement.com> wrote:
>> That is, 2^7 +1 is -128 for a "signed char" (or whatever) or it's 129 for
>> an unsigned char, even though the rvalue's bits are the same...?
>
> I think you may have meant -127. But the bits are not necessarily the same.
> That's only the case in two's complement representation. You have to be
> careful about differentiating value and representation.[1]
No, he meant -128, the range of a signed byte in two's complement is
-128 to +127.
/s/ Adam
- References:
- [ANN] Lua 5.3.0 (beta) now available, Luiz Henrique de Figueiredo
- Re: [ANN] Lua 5.3.0 (beta) now available, Paige DePol
- Re: [ANN] Lua 5.3.0 (beta) now available, Luiz Henrique de Figueiredo
- RE: [ANN] Lua 5.3.0 (beta) now available, Newman, Edward (iLO Firmware)
- Re: [ANN] Lua 5.3.0 (beta) now available, Roberto Ierusalimschy
- Re: [ANN] Lua 5.3.0 (beta) now available, Sean Conner
- Re: [ANN] Lua 5.3.0 (beta) now available, Thiago L.
- Re: [ANN] Lua 5.3.0 (beta) now available, Andrew Starks
- Re: [ANN] Lua 5.3.0 (beta) now available, William Ahern