es.math.sinh.js
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es.math.sinh.js
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	var $ = require('../internals/export');
	var fails = require('../internals/fails');
	var expm1 = require('../internals/math-expm1');

	var abs = Math.abs;
	var exp = Math.exp;
	var E = Math.E;

	var FORCED = fails(function () {
	// eslint-disable-next-line es/no-math-sinh -- required for testing
	return Math.sinh(-2e-17) != -2e-17;
	});

	// `Math.sinh` method
	// https://tc39.es/ecma262/#sec-math.sinh
	// V8 near Chromium 38 has a problem with very small numbers
	$({ target: 'Math', stat: true, forced: FORCED }, {
	sinh: function sinh(x) {
	var n = +x;
	return abs(n) < 1 ? (expm1(n) - expm1(-n)) / 2 : (exp(n - 1) - exp(-n - 1)) * (E / 2);
	}
	});