Warp schrieb:
>   Well, sometimes it is useful to be able to poke at memory directly.
> For example, changing the sign of a floating point value is much faster
> by flipping that one bit at the end of it than doing it with the FPU.
> (Of course after this little trick your program will assume IEEE floating
> point numbers. But for many purposes that suffices.)

I would think that a good optimizing compiler would translate something 
like "x = -x;" to equally efficient code...?

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