Floating point arithmetic unit using modified Newton-Raphson technique for division and square root
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United States of America Patent
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May 7, 1996
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app pub date -
Sep 8, 1995
filing date -
May 5, 1993
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Abstract
A floating point processing system which uses a multiplier unit and an adder unit to perform floating point division and square root operations using both a conventional and a modified form of the Newton-Raphson method. The modified form of the Newton-Raphson method is used in place of the final iteration of the conventional Newton-Raphson so as to compute high precision approximated results with a substantial improvement in speed. The invention computes approximated results faster and simplifies hardware requirements because no multiplications of numbers of the precision of the result are required.
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