JDK-8362207 : Add more test cases for possible double-rounding in fma
  • Type: Enhancement
  • Component: core-libs
  • Sub-Component: java.lang
  • Affected Version: 26
  • Priority: P4
  • Status: In Progress
  • Resolution: Unresolved
  • Submitted: 2025-07-15
  • Updated: 2025-07-15
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Other
tbdUnresolved
Related Reports
Relates :  
JDK-8253409 - Double-rounding possibility in float fma
Relates :  
JDK-4851642 - Add fused multiply add to Java math library
Relates :  
JDK-8341260 - Add Float16 to jdk.incubator.vector
Description
From discussions related to IEEE 754, a few explicit test cases were identified where plausible, but incorrect, implementations of fma using higher precision. These test cases are useful to include in the regression tests of the float-precision and Float16-precision fused multiple add methods.
Comments
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/26305 Date: 2025-07-15 01:10:05 +0000
15-07-2025