sclass CompressToInterpolatedDoubleArray {
  // raw data to compress (integers)
  int[] data;
  
  // output
  InterpolatedDoubleArray result;
  
  // internal
  new IntBuffer indices;
  new DoubleBuffer values;
  
  *(int[] *data) {}
  
  InterpolatedDoubleArray get() {
    int iData = 0;
    while (iData < data.length) {
      indices.add(iData);
      values.add(data[iData]);
      iData++;
    }
    
    ret result = new InterpolatedDoubleArray(indices.toArrayNonNull(), values.toArrayNonNull());
  }
}