| 摘要 |
An arithmetic unit of arbitrary-precision, including: a main processing unit, which splits up the first and the second arbitrary-precision values into N-bit (where N is a natural number) operands respectively in the-least-significant-bit-first order for computing with the arbitrary-precision data and consecutively outputting a series of pairs of the first and second N-bit operands; and an N-bit arithmetic unit, which performs computing with the N-bit operands, while requesting the main processing unit to feed the next N-bit operands each time the computation completes. The carry bit generated by the operation is fed to the next N-bit operation.
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