From 862c4f6df6c8a87510a9a6bbb7eee86d35247630 Mon Sep 17 00:00:00 2001
From: tqlong <tqlong@9d5b8971-822b-0410-80eb-d18c1038ef23>
Date: Sun, 15 Aug 2010 18:34:25 +0000
Subject: [PATCH] Graphical Model

---
 .../trunk/contrib/tqlong/GraphicalModel/logarithm.cc  | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 fastlib/trunk/contrib/tqlong/GraphicalModel/logarithm.cc

diff --git a/fastlib/trunk/contrib/tqlong/GraphicalModel/logarithm.cc b/fastlib/trunk/contrib/tqlong/GraphicalModel/logarithm.cc
new file mode 100644
index 0000000000..ba33dce3fa
--- /dev/null
+++ b/fastlib/trunk/contrib/tqlong/GraphicalModel/logarithm.cc
@@ -0,0 +1,11 @@
+#include "gm.h"
+
+ostream& operator << (ostream& os, const GM_NAMESPACE::Logarithm& x)
+{
+  return os << "exp(" << x.logValue() << ") = " << x.originalValue();
+}
+
+GM_NAMESPACE::Logarithm log(const GM_NAMESPACE::Logarithm& x)
+{
+  return GM_NAMESPACE::Logarithm(x.logValue());
+}