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/* eslint no-shadow: 0 */
const test = require("tap").test;const ss = require("../");
test("errorFunction", function (t) {    test("symmetry", function (t) {        t.equal(ss.errorFunction(-1), -ss.errorFunction(1));        t.end();    });    t.end();    test("inverse", function (t) {        for (let i = -1; i <= 1; i += 0.01) {            t.equal(                Math.abs(ss.errorFunction(ss.inverseErrorFunction(i)) - i) <                    4 * ss.epsilon,                true            );        }        t.end();    });});