G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 7/52 (2006.01)
Patent
CA 2119283
A division circuit is provided for dividing a dividend A (=A(M-1)...A1 A0) which is expressed in M digits in a D-ary by a divisor B (=B(N-1)...B1 B0) which is expressed in N digits in the D-ary and which is larger than the dividend A and for calculating a quotient which is rounded off at the (K+1)-th digit down from a radix point and therefore which includes K digits. The division circuit is provided with (x-1) adder circuit for adding up the dividend A and at least (2N-M-1) most significant digits while aligning the most significant digit of the divisor B to a digit of D(N-K-2) and the least significant digit of the dividend A to a digit of D0, thereby obtaining a dividend C. A division processing part is provided for dividing the dividend C by the divisor B to thereby calculate a quotient which includes K digits down from the radix point.
L'invention est un circuit servant à diviser un dividende A (=A(M-1)...A1 A0), lequel est exprimé par M chiffres dans un ensemble D, par un diviseur B(=B(N-1)...B1 B0), lequel est exprimé par N chiffres dans cet ensemble D et est plus grand que le dividende A, et qui calcule un quotient qui est arrondi au (K+1) ème chiffre à partir de la virgule de séparation fractionnaire et qui, par conséquent, contient K chiffres. Le circuit de division de l'invention est doté de (x-1) circuits servant à additionner le dividende A et les (2N - M - 1) chiffres les plus significatifs au moins tout en alignant le chiffre le plus significatif du diviseur B sur l'un des chiffres de D(N-K-2) et le chiffre le moins significatif du dividende A sur l'un des chiffres de D0, ce qui produit le dividende C. Un processeur divise le dividende C par le diviseur B, ce qui donne le quotient, lequel comporte K chiffres à partir de la virgule de séparation fractionnaire.
Mitsubishi Denki Kabushiki Kaisha
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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