Methods and apparatus for determining the absolute value of the difference between binary operands
US4982352A · kind A · utility
18Cited by
8References
7Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 22, 1989 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Nov 22, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2207/5442
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a floating point ALU, a carry-lookahead adder circuit includes integral XOR logic means for complementing the sum bits responsive to an invert signal for generating the absolute value of the difference between two binary operands without added gate delay.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.