Boots – shoes – and leggings
Patent
1983-11-25
1986-08-19
Malzahn, David H.
Boots, shoes, and leggings
364850, G06F 752, G06G 7164
Patent
active
046073434
ABSTRACT:
A method and apparatus are disclosed which, for obtaining the quotient of division operations in a data processing apparatus, generate as an auxiliary value the inverse square root g of the divisor w. The auxiliary value g is then multiplied by the divident v, and the intermediate result again multiplied by the auxiliary value g. An improvement in operation of the data processing apparatus is obtained despite introduction of the auxiliary value because the range covered by the auxiliary value is significantly smaller than that of the direct inverse of the divisor. A preferred application is the area of signal processing in communications.
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patent: 3648038 (1972-03-01), Sierra
patent: 3777132 (1973-12-01), Bennett, Jr.
patent: 4047011 (1977-09-01), Bennett
Ferrari, "A Division Method Using a Parallel Multiplier", IEEE Trans. on Electronic Computers, Apr. 1967, pp. 224-226.
Stetanelli, "A Suggestion for a High-Speed Parallel Binary Divider", IEEE Trans. on Computers, vol. C-21, No. 1, Jan. '72, pp. 42-55.
Wong, "Analog ICs Divide Accurately to Conquer Computation Problems", Electronics, Apr. 12, 1979, pp. 120-127.
Chevillat Pierre
Maiwald Dietrich
Frisone John B.
International Business Machines Corp.
Malzahn David H.
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