Riken Corporation

Preferred Networks, Inc.

Junichiro Makino

Ken Namura

Takayuki Muranushi

Miyuki Tsubouchi

A computation device includes: a data multiplexer configured to output first high-order data as first output data and fifth output data, output first low-order data as third output data and seventh output data, output second high-order data as second output data, output second low-order data as fourth output data, output third high-order data, which is high-order data having a second bit number out of third input data, as sixth output data, and output third low-order data, which is low-order data having the second bit number out of the third input data, as eighth output data when a mode signal indicates a second computation mode; and first to fourth multipliers each of which multiplies two output data.

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Wako, Japan

Junichiro Makino