JDK-4826732 : Add ulp method for floating-point value
  • Type: Enhancement
  • Component: core-libs
  • Sub-Component: java.lang
  • Affected Version: 5.0
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2003-03-04
  • Updated: 2017-05-16
  • Resolved: 2003-05-16
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5.0 tigerFixed
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The specification for java.lang.Math talks about the accuracy of the methods there in terms of ulps (units in the last place).  Ulps are a common way of describing relative error in floating-point functions.  However, none of the Math, StrictMath, Float, and Double classes include methods in calculate the ulp of a floating-point value.

CONVERTED DATA BugTraq+ Release Management Values COMMIT TO FIX: tiger FIXED IN: tiger INTEGRATED IN: tiger tiger-b07

SUGGESTED FIX See code diffs in bug 4074599 or 4347132. ###@###.### 2003-05-09

EVALUATION A fine idea. ###@###.### 2003-03-03