How can I construct -- or better to say what type of circuit can be like this -- a circuit that takes 3 binary numbers (a, b, c) and then calculates two binary numbers (d, e) in a way that a + b + c = d + e The circuit should be of constant depth and furthermore, a, b, c, d, and e are as follows;



A circuit which would satisfy this requirement is a carry-save adder. I'm sure you can find a reference for the gate layout somewhere.

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  • $\begingroup$ Great. Thank you! I was more thinking of 'full-adder' but I was not at all sure whether full-adder can be an answer to my query. You think that would work too? $\endgroup$ – l.. Dec 15 '16 at 21:32

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