Arithmetic circuit for calculating the absolute value of the dif

Details Arithmetic circuit for calculating the absolute value of the dif Arithmetic circuit for calculating the absolute value of the dif

1986-06-19

1989-07-18

Harkcom, Gary V.

Boots, shoes, and leggings

364768, G06F 738, G06F 750

Patent

active

048499218

ABSTRACT:
An arithmetic circuit has a first subtracter receiving first and second input signals which are composed of a plurality of bits and operative to output a first output signal representative of the first input signal minus the second input signal, and a second subtracter receiving the first and second input signals so as to output a second output signal representative of the second input signal minus the first input signal. A selector receives the first and second output signals and operates in response to one of the first and second output signals so as to alternately output the first and second output signals.

REFERENCES:
patent: 4218751 (1980-08-01), McManigal
patent: 4638450 (1987-01-01), Stoffers
J. Earle et al., "Exponent Differences and Preshifter", IBM Technical Disclosure Bulletin, vol. 9, No. 7, Dec. 1966, pp. 848-849.

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