Extended precision
Extended precision refers to floating-point number formats that provide greater precision than the basic floating-point formats. Extended precision formats support a basic format by minimizing roundoff and overflow errors in intermediate values of expressions on the base format. 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).
| Floating-point formats |
|---|
| IEEE 754 |
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| Other |
| Alternatives |
| Computer architecture bit widths |
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| Bit |
| Application |
| Binary floating-point precision |
| Decimal floating-point precision |
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