// Credit: https://github.com/paulmillr/es6-shim/
  
  'use strict';
  
  var pow = Math.pow;
  
  module.exports = function (bytes, ebits, fbits) {
  	// Bytes to bits
  	var bits = [], i, j, b, str,
  	bias, s, e, f;
  
  	for (i = bytes.length; i; i -= 1) {
  		b = bytes[i - 1];
  		for (j = 8; j; j -= 1) {
  			bits.push(b % 2 ? 1 : 0);
  			b = b >> 1;
  		}
  	}
  	bits.reverse();
  	str = bits.join('');
  
  	// Unpack sign, exponent, fraction
  	bias = (1 << (ebits - 1)) - 1;
  	s = parseInt(str.substring(0, 1), 2) ? -1 : 1;
  	e = parseInt(str.substring(1, 1 + ebits), 2);
  	f = parseInt(str.substring(1 + ebits), 2);
  
  	// Produce number
  	if (e === (1 << ebits) - 1) return f !== 0 ? NaN : s * Infinity;
  	if (e > 0) return s * pow(2, e - bias) * (1 + f / pow(2, fbits));
  	if (f !== 0) return s * pow(2, -(bias - 1)) * (f / pow(2, fbits));
  	return s < 0 ? -0 : 0;
  };