Data processing apparatus incorporating a numeric processing...

Details Data processing apparatus incorporating a numeric processing... Data processing apparatus incorporating a numeric processing...

2007-05-30

2009-02-03

Ngo, Chuong D (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S653000

Reexamination Certificate

active

07487197

ABSTRACT:
A data processing apparatus uses numeric processing. A corrective mechanism enables a method for performing accurate integer divisions to be derived from an approximate division method which does not, of itself, always produce an accurate result but for which the range of errors is known. By applying the corrective mechanism to a suitable approximate division method, a numeric processing mechanism performs the integer division operation efficiently. An approximate division method that uses rapid operations for fast integer division, and thus has a small possible range of errors, is used to enable the correction method to be completed rapidly.

REFERENCES:
patent: 5132925 (1992-07-01), Kehl et al.
patent: 5381380 (1995-01-01), Yoshida
patent: 5587940 (1996-12-01), Ferguson
patent: 6094669 (2000-07-01), Mahurin
patent: 6564239 (2003-05-01), Matson et al.

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