Floating point arithmetic unit using modified Newton-Raphson tec

Details Floating point arithmetic unit using modified Newton-Raphson tec Floating point arithmetic unit using modified Newton-Raphson tec

1995-09-08

1996-05-07

Mai, Tan V.

Boots, shoes, and leggings

G06F 738

Patent

active

055153089

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.

REFERENCES:
patent: 4594680 (1986-06-01), Schomburg et al.
patent: 4999801 (1991-03-01), Katsuno
patent: 5042001 (1991-08-01), Brightman et al.
patent: 5220524 (1993-06-01), Hesson

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