Method of adding/subtracting floating-point representation data

Details Method of adding/subtracting floating-point representation data Method of adding/subtracting floating-point representation data

1989-05-31

1991-11-05

Shaw, Dale M.

Boots, shoes, and leggings

G06F 738

Patent

active

050635301

ABSTRACT:
A floating-point representation data adding/subtracting apparatus includes first and second adder/subtracter for performing operations of a first mantissa part of first operation data having a larger exponential part and a second mantissa part of second operation data having a smaller exponential part. The first and second adder/subtracter simultaneously execute the operations. One of the operation results of the first and second adder/subtracters is selected as a correct mantissa part operation result.

REFERENCES:
patent: 4488252 (1984-12-01), Vassar
patent: 4562553 (1985-12-01), Mattedi et al.
patent: 4796218 (1989-01-01), Tanaka et al.
patent: 4849921 (1989-07-01), Yasumoto et al.
patent: 4849923 (1989-07-01), Samudrala et al.
patent: 4896286 (1990-01-01), Ueda

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