org/objectweb/proactive/ext/scilab/test/SciTestSeqPi.java

/* 
 * ################################################################
 * 
 * ProActive: The Java(TM) library for Parallel, Distributed, 
 *            Concurrent computing with Security and Mobility
 * 
 * Copyright (C) 1997-2007 INRIA/University of Nice-Sophia Antipolis
 * Contact: proactive@objectweb.org
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or any later version.
 *  
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 * USA
 *  
 *  Initial developer(s):               The ProActive Team
 *                        http://www.inria.fr/oasis/ProActive/contacts.html
 *  Contributor(s): 
 * 
 * ################################################################
 */ 
package org.objectweb.proactive.ext.scilab.test;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;

import javasci.SciData;
import javasci.Scilab;

import org.objectweb.proactive.ext.scilab.util.SciMath;

class  SciTestSeqPi {
    
    public static void main(String[] args) throws Exception{
      
       if(args.length != 2){
           System.out.println("Invalid number of parameter : " + args.length);
           return;
       }
        
       BufferedReader reader = new BufferedReader(new FileReader(args[0]));
       PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter(args[1])));
                
       int precision; 
       String line;
       double startTime;
       double endTime;
       
       while((line = reader.readLine()) != null){
           
           if(line.trim().startsWith("#"))
                                continue;
           
           if(line.trim().equals(""))
                  break;
          
           precision = Integer.parseInt(line);
           startTime = System.currentTimeMillis();
           Scilab.exec(SciMath.formulaPi("pi", 0, precision));
           SciData sciPi = (SciData) Scilab.receiveDataByName("pi");
           endTime = System.currentTimeMillis();
           
           System.out.println(sciPi);
           writer.println(precision  + " " +(endTime - startTime));
       }
       
       reader.close();
       writer.close();
   }
}
  

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