[GROOVY-3309] comparisons with NaN should always return false

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.5.7, 1.6-rc-2
• Fix Version/s: 4.x
• Component/s: groovy-runtime
• Environment: os x, jse 5 and 6
• Assignee: Unassigned
• Reporter: Andy Fyfe
• Created: 23/Jan/09 01:42
• Updated: 27/Jan/20 10:51

Description

The following assertions should all pass; the third fails.

assert !(Double.NaN == 0)
assert !(Double.NaN < 0)
assert !(Double.NaN > 0)

A NaN should also not equal a NaN.

assert Double.NaN != Double.NaN

Issue Links

• is duplicated by: GROOVY-4906 Double.NaN == Double.Nan should evaluate to false
• relates to: GROOVY-4018 Make the Groovy truth value of NaN be false