talib helper

var talib = require("talib");

module.exports = function(name, inReal, optInTimePeriod, callback) {
    talib.execute({
        name: name,
        startIdx: 0,
        endIdx: inReal.length - 1,
        inReal: inReal,
        optInTimePeriod: optInTimePeriod
    }, function(result) {
        if(typeof(result.result) == 'undefined') {
            callback([]);
        }
        else{
            callback(result.result.outReal);
        }
        
    });
};

            var gerasma1 = function() {
                var d = Q.defer();
                ta('SMA', dados, 200, function(result) {
                    sma1 = result;
                    d.resolve();
                });
                return d.promise;
            };