Anjing Webshells

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: / var / www / mudeer-web-backup30April26 / node_modules / d3-contour / src /

Filename : area.js

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export default function(ring) {
  var i = 0, n = ring.length, area = ring[n - 1][1] * ring[0][0] - ring[n - 1][0] * ring[0][1];
  while (++i < n) area += ring[i - 1][1] * ring[i][0] - ring[i - 1][0] * ring[i][1];
  return area;
}