| 摘要 |
Difference between exponents of first and second numbers, based on which an amount of shifting is determined, is represented as a redundant binary number. For groups of bit data pairs of mutually corresponding digits, one shifting means is provided. Each shifting means includes shifting means having fixed amount of bits for shifting corresponding to the amount of shifting represented by the group of input bit data pairs. When a group of bit data pairs is input, one shifting means having fixed amount of bits for shifting of the shifting means is selected, and input number is shifted. By serially connecting the shifting means having such a structure, the first input binary number is successively shifted, and a result shifted by the desired amount is output.
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