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

diff --git src/optimalLeaf/SimMat.hh src/optimalLeaf/SimMat.hh
index b9d5f1f..0f41872 100644
--- src/optimalLeaf/SimMat.hh
+++ src/optimalLeaf/SimMat.hh
@@ -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.hh
 // Computes the similarity matrix, and writes ordered trees 
 // to a .CDT files.
 // --------------------------------------------------------
 #ifndef SIMMAT_HH
 #define SIMMAT_HH
 
 
 
 class SimMat {
  private:
   float **mat,**cMat; // similarity matrix
   int genes,exp; // number of genes and experiments
   int *order,meanZ;