private double[] makeDoubleArray(int[] ints) {
    double[] newArray = new double[ints.length];
    for (int i = 0; i < ints.length; i++) {
      newArray[i] = ints[i];
    }
    return newArray;
  }
private double[] makeDoubleArray(int[] ints) {
    double[] newArray = new double[ints.length];
    for (int i = 0; i < ints.length; i++) {
      newArray[i] = ints[i];
    }
    return newArray;
  }
private double [ ] makeDoubleArray ( int [ ] ints ) { double [ ] newArray = new double [ ints . length ] ; for ( int i = 0 ; i < ints . length ; i ++ ) { newArray [ i ] = ints [ i ] ; } return newArray ; }
make a double array out of an int array

@param ints array of ints
@return array of doubles
make a double array out of an int array