G - Physics – 06 – F
Patent
G - Physics
06
F
354/197
G06F 7/50 (2006.01) G06F 17/16 (2006.01)
Patent
CA 1281426
64768-16 ABSTRACT Disclosed is a vector calculation circuit for use in carrying out a vector calculation to provide a result of the vector calcu- lation in response to a first vector composed of a plurality of first-set components and a second vector composed of a plurality of second-set components and selectively to a third vector com- posed of a plurality of third-set components. The vector calcu- lation circuit comprises: a selecting device responsive to one of the third-set compon- ents and a fixed value of zero for selecting, as a selected com- ponent, a selected one of the one of the third-set components and the fixed value; a carry save adder responsive to the selected component and requisite ones of the first-set and the second-set components for carrying out a carry save addition among the selected com- ponent and the requisite ones of the first-set and the second- set components to produce a local sum and a carry collectively as a result of the carry save addition; an additional adder responsive to the local sum and the carry for adding the carry to the local sum to produce a primary sum of the local sum and the carry; and a device for producing the primary sum as the result-of vector calculation.
560395
Corporation Nec
Smart & Biggar
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