Function I

resources/vega.min.js:194–197

(t, e, n)

    return P(t, e, n, S, f);
  }
  function I(t, e, n) {
    const r = Math.sign(t[0]);
    return P(t, e, n, T(r), $(r));
  }
  function W(t, e, n, r) {
    return P(t, e, n, N(r), N(1 / r));
  }