code: ///////////////////////////////////////////////////////////////////////////////
  // For information as to what this class does, see the Javadoc, below.       //
  // Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,       //
  // 2007, 2008, 2009, 2010, 2014, 2015 by Peter Spirtes, Richard Scheines, Joseph   //
  // Ramsey, and Clark Glymour.                                                //
  //                                                                           //
  // This program is free software; you can redistribute it and/or modify      //
  // it under the terms of the GNU General Public License as published by      //
  // the Free Software Foundation; either version 2 of the License, or         //
  // (at your option) any later version.                                       //
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  // This program is distributed in the hope that it will be useful,           //
  // but WITHOUT ANY WARRANTY; without even the implied warranty of            //
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
  // GNU General Public License for more details.                              //
  //                                                                           //
  // You should have received a copy of the GNU General Public License         //
  // along with this program; if not, write to the Free Software               //
  // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA //
  ///////////////////////////////////////////////////////////////////////////////
  
  package edu.cmu.tetrad.gene.tetrad.gene.algorithm.biolingua;
  
  /**
   * Class that makes some very simple tests
   * on the classes LtMatrix, Graph, and Biolingua<p>
   *
   * TODO: make it a junit testing class
   *
   * @author Raul Saavedra, rsaavedr@ai.uwf.edu
   */
  
  import edu.cmu.tetrad.gene.tetrad.gene.algorithm.util.*;
  
  public class LTester {
      public static void main(String args []) {
          LTMatrix ltm;
          LTMatrixF ltmf;
          SymMatrix sm /*, cm*/;
          SymMatrixF smf /*, cmf*/;
          Matrix m;
          MatrixF mf;
          Digraph g;
  
          try {
              ltm = new LTMatrix("ltm.txt");
              ltmf = new LTMatrixF("ltm.txt");
              System.out.println(ltm);
              System.out.println(ltmf);
  
              sm = new SymMatrix("ltm.txt");
              smf = new SymMatrixF("ltm.txt");
              System.out.println(sm);
              System.out.println(smf);
  
              m = new Matrix("m.txt");
              mf = new MatrixF("m.txt");
              System.out.println(m);
              System.out.println(mf);
  
              g = new Digraph("g.txt");
              System.out.println(g);
              /*
                          System.out.println ("Testing Biolingua");
                          // Parameters as in the paper
                          BiolinguaDigraph dg = new BiolinguaDigraph ("g.txt");
  
                          BiolinguaDigraph result = Biolingua.BiolinguaAlgorithm
                              (cm, g, (float) 0.01, (float) 3, (float) 0.1, (float) 3);
                          System.out.println (result);
              */
          }
          catch (Exception xcp) {
              System.out.println("WATCH OUT!!!  There was an exception:");
              xcp.printStackTrace();
          }
      }
  
  }
  
  
  
  
  