Machine method to perform newton iterations for reciprocal square roots
December 13, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCircuit for performing a square root calculation Floating point processor architecture which performs square root by hardware Method and circuit for computing reciprocals Floating point/integer processor with divide and square root functions Floating point operation unit in division and square root operations Floating point arithmetic two cycle data flow Pipelined floating point processing unit Patent #: 5053631 InventorApplicationNo. 630111 filed on 12/13/1990US Classes:708/502, Reciprocal708/500, Evaluation of root708/605Evaluation of rootExaminersPrimary: Malzahn, David H.Attorney, Agent or FirmInternational ClassG06F 007/552AbstractThe machine method of the present embodiment relates to iterative numerical techniques adapted for use in digital circuitry, such as floating- point multipliers and floating point adder-subtractor units. Using the Newton method of reciprocal square root computation of a value, several computational steps can be merged and performed with a single floating point multiplier unit. | |
