On 12/16/2013 03:58 PM, Martin Schreiber wrote:
> unsigned:= card32(abs(signed));

This suggests that the result of "abs" is signed and need an explicit 
conversion to unsigned.

I'm not sure that this is beneficial.

OTHO what is "abs" anyway ?

Is it some kind of "builtin overloaded" function that works differently 
for different argument types ?

What is the type of the result ?

-Michael

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