PHWinfo - Afficher un message - Re: Question about size and memory layout of a Union.

19/10/2007, 21h18

James Kuyper Jr. wrote:

> There are 32! possible orderings of 32 bits, though only a small number
> of those orderings are actually used. However, I've read that of the 12
> possible orderings of the 4 bytes underlying a 4-byte integer, 8 of them
> are in actual use.

ITYM 24 possible orderings. Just like there are 32! possibilities with
32 bits, there are 4! possibilities with 4 bytes. 4! = 24.

19/10/2007, 21h18	#7
Peter Pichler Messages: n/a Hébergeur:	Re: Question about size and memory layout of a Union. James Kuyper Jr. wrote: > There are 32! possible orderings of 32 bits, though only a small number > of those orderings are actually used. However, I've read that of the 12 > possible orderings of the 4 bytes underlying a 4-byte integer, 8 of them > are in actual use. ITYM 24 possible orderings. Just like there are 32! possibilities with 32 bits, there are 4! possibilities with 4 bytes. 4! = 24.