Low latency floating-point divider
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United States of America Patent
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May 8, 2012
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N/A
app pub date -
Jan 14, 2008
filing date -
Jan 14, 2008
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Abstract
An improved method and apparatus for performing floating-point division is disclosed. In a particular embodiment, fractional operands are pre-scaled and an estimate of a reciprocal of the pre-scaled fractional divisor is obtained from a lookup table using a portion of the bits of the pre-scaled fractional divisor. This value is used to scale the fractional operands and a multiply-add operation is used based on principles of series expansion to compute a final result with an acceptable degree of accuracy.
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