source: trunk/greenstone3-extensions/vishnu/src/vishnu/testvis/dendro/TheVectors.java@ 8189

package vishnu.testvis.dendro;

import java.io.*;
import java.util.*;

public class TheVectors
{
    public Vector theData;
    public int size;
    public Vector coding;
    public int zeros;


    TheVectors(String file, int VECTOR_SIZE)
    {
        theData= new Vector(VECTOR_SIZE);
    coding= new Vector(VECTOR_SIZE);
        int index,code =0, zerolist=0;
    double ssum,value;
        try
    {
            FileReader inFile = new FileReader(file);
            BufferedReader inLines = new BufferedReader(inFile);
        size=0;
            String line = null, tokenString;
        do
        {

        line = inLines.readLine();
        if (line!= null)
        {

          double[] row= new double[VECTOR_SIZE];
                    StringTokenizer tokens = new StringTokenizer(line," ");
                  ssum=0.0;
          for (index=0; index<VECTOR_SIZE; index++)
          {
                      if(tokens.hasMoreTokens())
                      {
                          tokenString = tokens.nextToken();
                      value = Double.parseDouble(tokenString);
                  row[index]= value;
                  ssum+= value*value;
                      }
                      else
                      {
                          row[index]=0.0;
                      }
              }
              if(index==0) continue;
                  ssum=Math.sqrt(ssum);
              if(ssum!=0.0)
              {
                  for(int i=0;i<index;i++)
              row[i]/=ssum;
              theData.addElement(row);
              coding.addElement(new TheInt(code));
                      size++;
          }
          else
          {
              if(zerolist==0)
              {
            //System.out.print("0 ");
                      zerolist=1;
              }
              System.out.print(code + " ");
          }
          }
          code++;
      }while(line != null);
    }
    catch(IOException e)
    {
        System.err.println("IO Exception in read_vectors");
        e.printStackTrace();
        }
    }
}