Re: use of bitwise arithmetic in GEGL code

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On Thu, Aug 6, 2009 at 3:00 PM, Nicolas Robidoux
<nrobidoux@xxxxxxxxxxxxxxxx> wrote:
>
> Is the use of such tricks discouraged for GEGL (because gfloats could
> be doubles at some point?)
>
> We can take the absolute value by setting the sign bit to zero:
> // Example 13.24
> float f;
> *(int*)&f &= 0x7FFFFFFF; // set sign bit to zero

Doesn't this violate pointer aliasing rules?

Rockwalrus
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