[LUCENE-2827] JaroWinklerDistance returns 0f when s1.length()=s2.length()=0

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.0-ALPHA
• Component/s: modules/spellchecker

Environment

JDK1.6.17

• Lucene Fields: New
• Assignee: Unassigned
• Reporter: tom liu
• Created: 21/Dec/10 08:32
• Updated: 28/Aug/22 12:38

Description

StringDistance sd = new JaroWinklerDistance();
System.out.println(sd.getDistance("",""));

console prints 0.

but when use LevensteinDistance or NGramDistance, that console prints 1.0