かくちょうばいせい 拡張倍精度
1. extended double-precision
Wikipedia definition
2. Extended precisionExtended precision refers to floating point number formats that provide greater precision and more exponent range than the basic floating point formats. In contrast to extended precision, arbitrary-precision arithmetic refers to implementations of much larger numeric types (with a storage count that usually is not a power of two) using special software (or, rarely, hardware).
Read “Extended precision” on English Wikipedia
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Read “Extended precision” on DBpedia


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