Re: Subtracting unsigned entities

fred.l.kleinschmidt@[EMAIL PROTECTED]
 wrote:

> Since others have said that the compiler is obliged to
> perform the if-test properly, my solution is
> 
>    if ( t2 > t1 ) {
>         delta = t2 - t1;
>     }
>     else {
>         delta = (UINT_MAX - t1) + t2 + 1;
>     }

Not
    if (t2 > t1) delta = t2 - t1;
    else delta = t1 - t2;

? Because that seems simpler and at least as correct.

(Of course I'd write it as

    delta = t2 > t1 ? t2 - t1 : t1 - t2;

)

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