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出典:『Wikipedia』 (2011/06/15 20:11 UTC 版)

英語による解説

引用

In computer science, arbitrary-precision arithmetic indicates that calculations are performed on numbers whose digits of precision are limited only by the available memory of the host system. This contrasts with the faster fixed-precision arithmetic found in most ALU hardware, which typically offers between 16 and 64 bits. Arbitrary-precision arithmetic is also called bignum arithmetic, multiple precision arithmetic, and sometimes "infinite-precision arithmetic".