1 var $parseFloat = require('./_global').parseFloat
2 , $trim = require('./_string-trim').trim;
4 module.exports = 1 / $parseFloat(require('./_string-ws') + '-0') !== -Infinity ? function parseFloat(str){
5 var string = $trim(String(str), 3)
6 , result = $parseFloat(string);
7 return result === 0 && string.charAt(0) == '-' ? -0 : result;