G - Physics – 06 – F
Patent
G - Physics
06
F
354/182
G06F 7/52 (2006.01) G06F 1/02 (2006.01) G06F 1/035 (2006.01)
Patent
CA 1246233
Abstract of the Disclosure The invention relates to a range transformation method for transforming the normalized divisor in a division calculation to a range wherein the transformed value differs from one by no more than the quantity 2-n. The method and apparatus generate the transform multiplier value from a first high order ''q'' digits of the divisor and generate an out-of-range indicator signal from at least those same digits. The thus generated multiplier value is modified in response to the out-of-range indicator signal when an out-of-range condition is indicated. The apparatus employs a read-only-memory for enabling the generation of the transform multiplier value without requiring either large table look-up storage or multiplicative functions. As a result, various division methods requiring an initial transformation to provide a divisor which approaches one in value can be efficiently implemented.
501912
Irukulla Suren
Patel Bimal V.
Prime Computer Inc.
Riches Mckenzie & Herbert Llp
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