var d3 = require(“../../”);

var formatNumber = d3.format(“,.02r”),

o = d3.geo.circle().angle(30).precision(.1)(),
n = 1e3,
then = Date.now();

for (var i = 0; i < n; i++) {

d3.geo.area(o);

}

console.log(“circle.angle(30°): ” + formatNumber((Date.now() - then) / i) + “ms/op.”);