Exponent processing systems and methods

Details Exponent processing systems and methods Exponent processing systems and methods

2011-03-22

2011-03-22

Mai, Tan V (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

Reexamination Certificate

active

07912883

ABSTRACT:
Embodiments of exponent processing systems and methods are disclosed. One method embodiment, among others, comprises performing a first table lookup using a first address to provide a first value corresponding to the first component part, setting an integer exponent to provide an integer-based value corresponding to the integer component, performing a second table lookup using a second and third address to provide a second value and a third value corresponding to the second component part and the third component part, respectively, expanding and normalizing the second and third values to provide expanded and normalized second and third values, combining the expanded and normalized second and third values to produce a first product, and computing the exponential function by combining the first value, the integer-based value, and the first product.

REFERENCES:
patent: 5604691 (1997-02-01), Dworkin et al.
patent: 6178435 (2001-01-01), Schmookler
patent: 6910059 (2005-06-01), Lu et al.

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