Torsten Landschoff <[EMAIL PROTECTED]> writes: > On Sun, Jan 13, 2002 at 10:23:51PM -0800, [EMAIL PROTECTED] wrote: > > Moreover, the original depends on the fact that (MAX_INT + 1) < 0 > > which, though true, is a guaranteed result. Were I to be running a 64 > > ... is not a guaranteed ... > > I yet have to see a machine that does not use two's complement > for integer arithmetic.
Actually, the C standard does essentially guarantee two's complement arithmetic. It specifies integer overflow behavior and signed/unsigned conversion behavior exactly. So a machine can do its arithmetic some other way, but it has to make it seem to the programmer that it's always two's complement. Thomas
