Encog.Util.ParamsHolder.GetDouble C# (CSharp) Method

        public double GetDouble(String name, bool required, double defaultValue)
        {
            String str = GetString(name, required, null);

            if (str == null)
                return defaultValue;

            try
            {
                return _format.Parse(str);
            }
            catch (FormatException )
            {
                throw new EncogError("Property " + name
                                     + " has an invalid value of " + str
                                     + ", should be valid floating point.");
            }
        }

        /// <summary>
        /// Create an annealing trainer.
        /// </summary>
        ///
        /// <param name="method">The method to use.</param>
        /// <param name="training">The training data to use.</param>
        /// <param name="argsStr">The arguments to use.</param>
        /// <returns>The newly created trainer.</returns>
        public IMLTrain Create(IMLMethod method,
                              IMLDataSet training, String argsStr)
        {
            if (!(method is BasicNetwork))
            {
                throw new TrainingError(
                    "Invalid method type, requires BasicNetwork");
            }

            ICalculateScore score = new TrainingSetScore(training);

            IDictionary<String, String> args = ArchitectureParse.ParseParams(argsStr);
            var holder = new ParamsHolder(args);
            double startTemp = holder.GetDouble(
                MLTrainFactory.PropertyTemperatureStart, false, 10);
            double stopTemp = holder.GetDouble(
                MLTrainFactory.PropertyTemperatureStop, false, 2);

            int cycles = holder.GetInt(MLTrainFactory.Cycles, false, 100);

            IMLTrain train = new NeuralSimulatedAnnealing(
                (BasicNetwork) method, score, startTemp, stopTemp, cycles);

            return train;
        }