Function nd

resources/vega.min.js:10355–10359

(t)

    );
  }
  function nd(t) {
    return function (e) {
      return Math.sign(e) * Math.log1p(Math.abs(e / t));
    };
  }
  function rd(t) {
    return function (e) {
      return Math.sign(e) * Math.expm1(Math.abs(e)) * t;