Importance

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Abstract

The division and square root systems include a multiplier. The systems also include a multipartite table system, a folding inverter, and a complement inverter, each coupled to the multiplier. The division and square root functions can be performed using three scaling iterations. The system first determines both a first and a second scaling value. The first scaling value is a semi-complement term computed using the folding inverter to invert selected bits of the input. The second scaling value is a table lookup value obtained from the multipartite table system. In the first iteration, the system scales the input by the semi-complement term. In the second iteration, the resulting approximation is scaled by a function of the table lookup value. In the third iteration, the approximation is scaled by a value obtained from a function of the semi-complement term and the table lookup value. After the third iteration, the approximation is available for rounding.

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First Claim