Apparatus for finding the square root of a number

Details Apparatus for finding the square root of a number Apparatus for finding the square root of a number

1993-12-03

1995-07-04

Envall, Jr., Roy N.

Boots, shoes, and leggings

G06F 738

Patent

active

054306698

ABSTRACT:
A fast square root method which separates the sign detection operation of the remainder from the remainder subtraction operation. By taking the absolute values of the remainders, the method can successively subtract the remainder without knowing the signs of remainders, while signs of the remainder can be detected in parallel fashion and independently. The method also uses a smaller square root digit set of {-1, 1} than {-1, 0, 1} that is used by many known fast algorithms. This digit set facilitates fast conversion of the results to binary representations. Together with some hardware design techniques, the square root method can be realized and pipelined in simple circuits.

REFERENCES:
patent: 4336599 (1982-06-01), Wong
patent: 4939686 (1990-07-01), Fandrianto
patent: 5331586 (1994-07-01), Kitora

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