added levenshtein edit distance calculator

git-svn-id: http://biopieces.googlecode.com/svn/trunk@2182 74ccb610-7750-0410-82ae-013aeee3265d

diff --git a/code_ruby/lib/maasha/levenshtein.rb b/code_ruby/lib/maasha/levenshtein.rb
index d344e628cb3c71c3a27f6c58234130e1271312d7..bbc2c70ffc4f95f5985e747d9d4543d88b51f76a 100644 (file)
--- a/code_ruby/lib/maasha/levenshtein.rb
+++ b/code_ruby/lib/maasha/levenshtein.rb
@@ -59,12 +59,12 @@ class Levenshtein
 
     builder.c %{
       VALUE distance_C(
-        VALUE _s,
-        VALUE _t,
-        VALUE _s_len,
-        VALUE _t_len,
-        VALUE _v0,
-        VALUE _v1
+        VALUE _s,       // string
+        VALUE _t,       // string
+        VALUE _s_len,   // string length
+        VALUE _t_len,   // string length
+        VALUE _v0,      // score vector
+        VALUE _v1       // score vector
       )
       {
         char         *s     = (char *) StringValuePtr(_s);