bool FindUBUsingIndexedPeaks::isPeakIndexed(Peak &peak) {
  V3D hkl(peak.getIntHKL()); // ##### KEEP
  V3D mnp(peak.getIntMNP());
  return (IndexingUtils::ValidIndex(hkl, 1.0) ||
          IndexingUtils::ValidIndex(mnp, 1.0));
}