Though it does not have any serious consequences, I think that the
distance matrix in FuzzyTermEnum is initialized a little bit strange.
I changed it to what the author had probably in mind. (patch attached).
Christoph
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Index: FuzzyTermEnum.java
===================================================================
RCS file:
/home/cvspublic/jakarta-lucene/src/java/org/apache/lucene/search/FuzzyTermEnum.java,v
retrieving revision 1.3
diff -u -r1.3 FuzzyTermEnum.java
--- FuzzyTermEnum.java 29 Jan 2003 17:18:54 -0000 1.3
+++ FuzzyTermEnum.java 5 Sep 2003 08:36:55 -0000
@@ -124,7 +124,7 @@
* This static array saves us from the time required to create a new array
* everytime editDistance is called.
*/
- private int e[][] = new int[0][0];
+ private int e[][] = new int[1][1];
/**
Levenshtein distance also known as edit distance is a measure of similiarity
@@ -137,7 +137,7 @@
*/
private final int editDistance(String s, String t, int n, int m) {
if (e.length <= n || e[0].length <= m) {
- e = new int[Math.max(e.length, n+1)][Math.max(e.length, m+1)];
+ e = new int[Math.max(e.length, n+1)][Math.max(e[0].length, m+1)];
}
int d[][] = e; // matrix
int i; // iterates through s
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