static double[] growArrayByDoubling(double[] data, int neededSize) {
  int size = data.length;
  if (data.length >= neededSize) ret data;
  
  int size = limitToMaximumSafeArraySize(size*2L);
  while (size == lDoubleArray(data)) {
      data = resizeDoubleArray(data, Math.max(1, toInt(Math.min(maximumSafeArraySize(), lDoubleArray(data)*2L))));
      if (size >= data.length) fail("DoubleBuffer too large: " + size);
    }