Subj : Re: Really **wonderful** website for C interview questions!!!!!
To   : comp.programming
From : Robert Bunn
Date : Tue Jul 05 2005 01:12 am


"Willem" <willem@stack.nl> wrote in message
news:slrndcj08i.atb.willem@toad.stack.nl...
> Robert wrote:
> )
> ) "Willem" <willem@stack.nl> wrote in message
> ) news:slrndcgmak.2e1g.willem@toad.stack.nl...
> )> Robert wrote:
> )> ) Okay. I guess I *am* a novice. How is
> )> )
> )> ) if(x == (!!y) )
> )> ) any more useful (or clear) than
> )> )
> )> ) if(x && y)
> )>
> )> Well, for starters those two statements don't have the same
meaning,
> )> even for boolean values...
> )>
> )
> ) Well, yes. You're right. I realized after sending I should've used
> )
> ) if ( (!!x) == (!!y) )
> )
> ) for the first case. Does that make the question I asked answerable?
>
> No.  They still don't have the same boolean-logic meaning.
> Why don't you write out a truth-table for '&&' and '==' ?
>
>

Okay. I see it now. (!!x) == (!!y) works out to !(x^y)
Guess I *reallY* don't get the job now. *sheesh*

Anyway, can I have a hint? *Is* there some use for "!!"?

--
Rob

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