Re: ****ft operator undefined behavior

On Sun, 13 Apr 2008 00:43:12 CST, Olivier Langlois
<olanglois@[EMAIL PROTECTED]
> wrote in comp.lang.c++.moderated:

> { Please note that top-posting is discouraged in this group. -mod }
> 
> Thank you Jack for the tip.
> 
> The other workaround that I have found to work on my platform is to
> write:
> 
> unsigned char m = 32;
> register unsigned mask = (static_cast<unsigned long long>(1)<<m)-1;
> 
> There is minor clarification I can add to what you wrote. If I am not
> wrong, sizeof is a C++ reserved keyword and a builtin operator. Hence,
> there should not be any header file defining sizeof.

You are correct, I was thinking of the need to include an appropriate
header if you used std::size_t, but that type is not used in my sample
code, other than implicitly, so no such inclusion is needed.

-- 
Jack Klein
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