'use strict'; var sign = require('../internals/math-sign'); var abs = Math.abs; var EPSILON = 2.220446049250313e-16; // Number.EPSILON var INVERSE_EPSILON = 1 / EPSILON; var roundTiesToEven = function (n) { return n + INVERSE_EPSILON - INVERSE_EPSILON; }; module.exports = function (x, FLOAT_EPSILON, FLOAT_MAX_VALUE, FLOAT_MIN_VALUE) { var n = +x; var absolute = abs(n); var s = sign(n); if (absolute < FLOAT_MIN_VALUE) return s * roundTiesToEven(absolute / FLOAT_MIN_VALUE / FLOAT_EPSILON) * FLOAT_MIN_VALUE * FLOAT_EPSILON; var a = (1 + FLOAT_EPSILON / EPSILON) * absolute; var result = a - (a - absolute); // eslint-disable-next-line no-self-compare -- NaN check if (result > FLOAT_MAX_VALUE || result !== result) return s * Infinity; return s * result; };