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1'use strict';
2var sign = require('../internals/math-sign');
3
4var abs = Math.abs;
5
6var EPSILON = 2.220446049250313e-16; // Number.EPSILON
7var INVERSE_EPSILON = 1 / EPSILON;
8
9var roundTiesToEven = function (n) {
10 return n + INVERSE_EPSILON - INVERSE_EPSILON;
11};
12
13module.exports = function (x, FLOAT_EPSILON, FLOAT_MAX_VALUE, FLOAT_MIN_VALUE) {
14 var n = +x;
15 var absolute = abs(n);
16 var s = sign(n);
17 if (absolute < FLOAT_MIN_VALUE) return s * roundTiesToEven(absolute / FLOAT_MIN_VALUE / FLOAT_EPSILON) * FLOAT_MIN_VALUE * FLOAT_EPSILON;
18 var a = (1 + FLOAT_EPSILON / EPSILON) * absolute;
19 var result = a - (a - absolute);
20 // eslint-disable-next-line no-self-compare -- NaN check
21 if (result > FLOAT_MAX_VALUE || result !== result) return s * Infinity;
22 return s * result;
23};