importantSYS.SOURCE: Marek's blog• 2026-08-16T19:25:41Z

Double-Double Arithmetic: Achieving 31 Decimal Digits of Precision Using Two Doubles

#floating point #precision #performance #numerical methods

The article introduces double-double arithmetic, a technique that combines two double-precision floating-point numbers to achieve 31 decimal digits of precision. It compares the performance of this method against arbitrary-precision libraries like MPFR, highlighting its efficiency and practical applications in numerical computing.

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