Get the maximum value in a double array

      

/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   http://www.cs.umass.edu/~mccallum/mallet
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */

//package cc.mallet.util;

import java.lang.reflect.Array;

/**
 * Static utility methods for arrays (like java.util.Arrays, but more useful).
 * 
 * @author <a href="mailto:casutton@cs.umass.edu">Charles Sutton</a>
 * @version $Id: ArrayUtils.java,v 1.1 2007/10/22 21:37:40 mccallum Exp $
 */
public class Util {


     public static int argmax (double [] elems)
    {
      int bestIdx = -1;
      double max = Double.NEGATIVE_INFINITY;
      for (int i = 0; i < elems.length; i++) {
        double elem = elems[i];
        if (elem > max) {
          max = elem;
          bestIdx = i;
        }
      }
      return bestIdx;
    }
}

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Get the maximum value in a double array : Array Compare « Collections Data Structure « Java

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