Electrical computers: arithmetic processing and calculating – Electrical digital calculating computer – Particular function performed
Reexamination Certificate
2007-12-25
2007-12-25
Malzahn, D. H. (Department: 2193)
Electrical computers: arithmetic processing and calculating
Electrical digital calculating computer
Particular function performed
Reexamination Certificate
active
10632362
ABSTRACT:
A method and arrangements for increased precision in the computation of a reciprocal square root is disclosed. In accordance with the present invention, it is possible to achieve fifty three (53) bits of precision in less processing time than previously possible.
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patent: 6963895 (2005-11-01), Comstock
Abramowitz & Stegun, “Handbook of Mathematical Functions”, 1964, pp. 14, 15, 18.
“IBM PowerPC 440 FPU Brings Supercomputing Into the Embedded Space”, IBM PowerPC Processor News, Aug. 2001. http://www-3.ibm.com/chips/products/powerpc
ewsletter/aug2001.
IEEE 754, IEEE Standard for Binary Floating-Point Arithmetic, ANSI/IEEE Std 754-1985, IEEE Standard for Binary Floating-Point Arithmetic, IEEE, New York, 1985.
Enenkel Robert F.
Goldiez Robert L.
Ward T.J. Christopher
Ference & Associates LLC
International Business Machines - Corporation
Malzahn D. H.
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