Dividing method

Details Dividing method Dividing method

1998-04-13

2000-09-26

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

708653, G06F 752

Patent

active

061253804

ABSTRACT:
A method for dividing a dividend by a divisor and finding a dividing quotient and a dividing remainder is provided. The dividend has a low byte part and a high byte part and the divisor has a low byte part and a maximum digital value whose most significant bit is "1" and other bits are "0". At first, the low byte part of the dividend is divided by the divisor to obtain a low-byte quotient and a low-byte remainder. Secondly, the high byte part of the dividend is divided by the divisor to obtain a high-byte quotient and a high-byte remainder. Then the high-byte remainder is shift-divided by the divisor to update the low-byte quotient, the high-byte quotient, and the high-byte remainder. Then the high-byte remainder is added to the low-byte remainder to obtain a sum. The sum is divided by the divisor to obtain a quotient and the dividing remainder. Finally, the quotient is added to the low-byte quotient to find the dividing quotient.

REFERENCES:
patent: 4761758 (1988-08-01), Deczby et al.
patent: 4860241 (1989-08-01), Haber
patent: 4891780 (1990-01-01), Miyoshi
patent: 5027309 (1991-06-01), Koumoto et al.
patent: 5317531 (1994-05-01), Zaidi
patent: 5426600 (1995-06-01), Nakagawa et al.
patent: 5748518 (1998-05-01), Jaggar
patent: 5754460 (1998-05-01), Tan
patent: 5815423 (1998-09-01), Kim

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