From: martinahansen <martinahansen@74ccb610-7750-0410-82ae-013aeee3265d>
Date: Tue, 27 Nov 2012 18:06:20 +0000 (+0000)
Subject: backtrack.rb polish
X-Git-Url: https://git.donarmstrong.com/?a=commitdiff_plain;h=953411cf3f941d2ada82ed001de668372aa753fa;p=biopieces.git

backtrack.rb polish

git-svn-id: http://biopieces.googlecode.com/svn/trunk@2005 74ccb610-7750-0410-82ae-013aeee3265d
---

diff --git a/code_ruby/lib/maasha/seq/backtrack.rb b/code_ruby/lib/maasha/seq/backtrack.rb
index 94d4d69..d97fe87 100644
--- a/code_ruby/lib/maasha/seq/backtrack.rb
+++ b/code_ruby/lib/maasha/seq/backtrack.rb
@@ -41,9 +41,9 @@ module BackTrack
   MAX_DEL    = 5 # Maximum number of deletions allowed
 
   # ------------------------------------------------------------------------------
-  #   str.scan(pattern[, max_mismatches [, max_insertions [,max_deletions]]])
+  #   str.scan(pattern[, max_mismatches[, max_insertions[, max_deletions]]])
   #   -> Array
-  #   str.scan(pattern[, max_mismatches [, max_insertions [,max_deletions]]]) { |match|
+  #   str.scan(pattern[, max_mismatches[, max_insertions[, max_deletions]]]) { |match|
   #     block
   #   }
   #   -> Match
@@ -127,9 +127,9 @@ module BackTrack
               return (unsigned int) (s - ss);
           else
           {
-              if (mm && *s && *p && (r = backtrack(ss, s + 1, p + 1, mm - 1, ins, del))) return r;
-              if (ins && *p &&      (r = backtrack(ss, s, p + 1, mm, ins - 1, del)))     return r;
-              if (del && *s &&      (r = backtrack(ss, s + 1, p, mm, ins, del - 1)))     return r;
+              if (mm  && *s && *p && (r = backtrack(ss, s + 1, p + 1, mm - 1, ins, del))) return r;
+              if (ins && *p &&       (r = backtrack(ss, s, p + 1, mm, ins - 1, del)))     return r;
+              if (del && *s &&       (r = backtrack(ss, s + 1, p, mm, ins, del - 1)))     return r;
           }
 
           return 0;