bit patterns of all ones

[Joseph S. D. Yao]

In article <595 at mrstve.UUCP> rjk at mrstve.UUCP (Richard Kuhns) writes:
>I don't understand.  On a ones-complement machine, -1 is represented by
>11111110(binary) = -1 (decimal, ones complement, signed)
>If the ... value above is cast to unsigned, we end up with 254(decimal).

Casts convert.  "The value is the least unsigned integer congruent
to the signed integer (modulo 2^wordsize)." -C REF 6.5, Unsigned.
Casts do not necessarily maintain the same bit pattern.

[inews placater]
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	Joe Yao		hadron!jsdy at seismo.{CSS.GOV,ARPA,UUCP}
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