dab89c1682e091dfa3780ce95359ebea9f6b7d52
braney
  Thu May 18 09:49:17 2017 -0700
add licensing info to optimalLeaf library

diff --git src/optimalLeaf/SimMat.cc src/optimalLeaf/SimMat.cc
index 3b2e347..370f7a7 100644
--- src/optimalLeaf/SimMat.cc
+++ src/optimalLeaf/SimMat.cc
@@ -1,15 +1,21 @@
+/* This code provided by Ziv Bar-Joseph with the explicit understanding that 
+ * no licensing is required for it to be used in the UCSC Genome Browser
+ * as long as reference is made to this paper:
+ * https://www.ncbi.nlm.nih.gov/pubmed/12801867
+ */
+
 // --------------------------------------------------------
 //                     SimMat.cc
 // Computes the similarity matrix, and writes ordered trees 
 // to a .CDT files.
 // --------------------------------------------------------
 #include <stdlib.h>
 #include <iostream>
 #include <fstream>
 #include <string.h>
 #include <math.h>
 #include "SimMat.hh"
 #include "readFile.hh"
 
 using namespace std;
 // read the input file