Methods and apparatus for determining the absolute value of the

Details Methods and apparatus for determining the absolute value of the Methods and apparatus for determining the absolute value of the

1989-11-22

1991-01-01

Shaw, Dale M.

Boots, shoes, and leggings

364787, G06F 738, G06F 750

Patent

active

049823523

ABSTRACT:
In a floating point ALU, a carry-lookahead adder circuit includes integral XOR logic means for complementing the sum bits responsive to an invert signal for generating the absolute value of the difference between two binary operands without added gate delay.

REFERENCES:
patent: 4218751 (1980-08-01), McManigal
patent: 4569032 (1986-02-01), Lee
patent: 4584661 (1986-04-01), Grundland
patent: 4660165 (1987-04-01), Masumoto
patent: 4764886 (1988-08-01), Yano
patent: 4807172 (1989-02-01), Nuakiyama
patent: 4849921 (1989-07-01), Yasumoto et al.
patent: 4858168 (1989-08-01), Hwang

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