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Enhancement
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Resolution: Fixed
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P4
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14
The venerable IEEE 754 floating-point standard from 1985 was retired and replaced with a revised standard from 2008 and a further revision in 2019. The Java Language Specification rules of floating-point should be reviewed to account for updates in the standard for terminology, etc.
The terminology changes include between IEEE 754 1985 and 2019 include:
* IEEE 754 Standard for Binary Floating-Point Arithmetic -> IEEE 754 Standard for Floating-Point Arithmetic
* single -> binary32 ("single" in the context of IEEE 754-1985 single format specifically)
* double -> binary64 ("double" in the context of IEEE 754-1985 double format specifically)
* denormalized -> subnormal
* round to nearest mode -> roundTiesToEven mode
* round towards zero mode -> roundTowardZero mode
The terms "binary32" and "binary64" are not typographically distinguished in any way in the IEEE 754-2019 specification.
The terminology changes include between IEEE 754 1985 and 2019 include:
* IEEE 754 Standard for Binary Floating-Point Arithmetic -> IEEE 754 Standard for Floating-Point Arithmetic
* single -> binary32 ("single" in the context of IEEE 754-1985 single format specifically)
* double -> binary64 ("double" in the context of IEEE 754-1985 double format specifically)
* denormalized -> subnormal
* round to nearest mode -> roundTiesToEven mode
* round towards zero mode -> roundTowardZero mode
The terms "binary32" and "binary64" are not typographically distinguished in any way in the IEEE 754-2019 specification.
- relates to
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JDK-8240465 3.10.2: Improve information about min/max FP literals
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- Resolved
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- Resolved
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- Resolved
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- Resolved
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- Resolved
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JDK-8261116 Note differences between IEEE 754-2019 math lib special cases and java.lang.Math
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- Closed
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(1 relates to)