On 2013-10-23 17:33, robin wrote:
>
> What? Rexx's    m = ( j > k ) - ( j < k );
>
> would be exactly the same in PL/I.
>
> However, you would never write it like that. It's just obfuscation.
>
> simplest (and trivial-est) in PL/I is m = sign(j-k);
>
But beware: for extreme values of j and k this might result in
an undetected overflow (is this nowadays called an ON SIZE
condition?) and undesired results.

-- gil

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