3 files changed, 7 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index c87f3ed74..017023050 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Sep 16 13:39:10 2009  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
+
+	* lib/matrix.rb (determinant): Bug fix where determinant failed on
+	  some matrices [ruby-core:23597]
+
 Mon Sep 14 06:42:21 2009  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 
 	* lib/cgi/cookie.rb (value): Keep CGI::Cookie#value in sync with the
diff --git a/lib/matrix.rb b/lib/matrix.rb
index c948836fa..6fbaacb4b 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -683,7 +683,7 @@ class Matrix
       if (akk = a[k][k]) == 0
         i = k
         loop do
-          return 0 if (ii += 1) > size
+          return 0 if (i += 1) > size
           break unless a[i][k] == 0
         end
         a[i], a[k] = a[k], a[i]
diff --git a/version.h b/version.h
index f4bb495fc..b1fcb8480 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_PATCHLEVEL 332
+#define RUBY_PATCHLEVEL 333
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1