The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 25, 1996
Filed:
Nov. 14, 1994
Applicant:
Inventors:
Leslie C Garcia, Poughkeepsie, NY (US);
Nany H Kollesar, Poughkeepsie, NY (US);
Huei Ling, Chappaqua, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
364748 ; 364736 ;
Abstract
A floating point arithmetic unit that executes a single compound instruction that produces the result A+B.times.C with A, B and C being floating point numbers. Arithmetic on the exponents of A, B and C provide a normalized result of the multiplication before the addition takes place producing a normalized result of the compound instruction. The final normalized result is identical to a result that would be obtained by executing a separate instruction for the multiply, with normalized result, followed by an add instruction with a normalized result.