math-fround.js
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math-fround.js
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	var sign = require('../internals/math-sign');

	var abs = Math.abs;
	var pow = Math.pow;
	var EPSILON = pow(2, -52);
	var EPSILON32 = pow(2, -23);
	var MAX32 = pow(2, 127) * (2 - EPSILON32);
	var MIN32 = pow(2, -126);

	var roundTiesToEven = function (n) {
	return n + 1 / EPSILON - 1 / EPSILON;
	};

	// `Math.fround` method implementation
	// https://tc39.es/ecma262/#sec-math.fround
	// eslint-disable-next-line es-x/no-math-fround -- safe
	module.exports = Math.fround \|\| function fround(x) {
	var $abs = abs(x);
	var $sign = sign(x);
	var a, result;
	if ($abs < MIN32) return $sign * roundTiesToEven($abs / MIN32 / EPSILON32) * MIN32 * EPSILON32;
	a = (1 + EPSILON32 / EPSILON) * $abs;
	result = a - (a - $abs);
	// eslint-disable-next-line no-self-compare -- NaN check
	if (result > MAX32 \|\| result != result) return $sign * Infinity;
	return $sign * result;
	};