code: @Override
      public void write(double[] b) throws IOException {
          write("double[]");
          long code = 0;
          for (int i = 0; i < b.length; i++) {
              code = 31 * code + Double.doubleToLongBits(b[i]);
          }
          write(code);
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.netflix.videometadata.serializer.blob.HashAlgorithm#write(double[])