David Given wrote:
Luiz Henrique de Figueiredo wrote:I find myself using something I've dubbed the 'normalise' operator quite a lot in C and C++ --- !!.And we'll probably fix thisHere is the fix:bool convert_to_bool(int i) { return !!i; // equivalent to (i ? true : false) }Yes, I know it's just two boolean nots one after the other, but it's sufficiently useful and IMO sufficiently atomic that it's worth thinking of as a primitive operation.
Hopefully your compiler won't optimize that out, and it's not actually atomic in the sense that it's thread safe :-) Does the more verbose but clear (i ? true : false) generate better or worse code in terms of speed or size? Ralph