Re: [ANN] Lua 5.2.0 (rc1) now available
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- Subject: Re: [ANN] Lua 5.2.0 (rc1) now available
- From: Sean Conner <sean@...>
- Date: 2011年11月25日 17:28:58 -0500
It was thus said that the Great Roberto Ierusalimschy once stated:
>
> All these options may result in sub-optimal code for some particular
> sizes of ptrdiff_t and int.
>
> Did you try this option?
>
> #define twoto(x) (int)(1<<(x))
Night not it be better as:
#define twoto(x) (1 << ((int)x))
Get x as a int first, then shift?
-spc