Re: [boost] [Endian] Performance

Subject: Re: [boost] [Endian] Performance
From: John Filo (filo_at_[hidden])
Date: 2011-09-09 21:55:22

On 09/09/2011 04:13 PM, Beman Dawes wrote:

> I'm not sure I do either. I'd be curious to see a reference to the
> wording in the standard that Mathias thinks comes into play.
>
> I'm also curious what you didn't just write:
>
>       return reinterpret_cast<ubig32_t>(src);
>

gcc gives me:

   invalid cast from type ‘uint32_t’ to type ‘boost::endian::ubig32_t

I've only ever used reinterpret_cast on pointers, so doing the above 
didn't even occur to me.  I had to try it to see whether or not it would 
work.  Using static_cast doesn't work because it does the byteswap 
operation twice, making the function a no-op.