* no divide by 0 * misc cleanup * final fixes * remove last polys * new ref * fix test * update again old-commit-hash: 0e49919ab99b9cb85c5df271de5145e388d756ad
* no divide by 0 * misc cleanup * final fixes * remove last polys * new ref * fix test * update again old-commit-hash: 0e49919ab99b9cb85c5df271de5145e388d756ad