Function hue$1

external/.d3.js:3525–3528

(a, b)

}

function hue$1(a, b) {
  var d = b - a;
  return d ? linear$2(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$8(isNaN(a) ? b : a);
}

function gamma$1(y) {
  return (y = +y) === 1 ? nogamma : function(a, b) {