private static Sampler GetSampler()
        {
            var randomGenerator = new BasicRandomNumberGenerator(1000);
            var sampler         = new Sampler(randomGenerator);

            return(sampler);
        }
        private BasicStochasticEngine GetStochasticEngine(int?seed)
        {
            var randomGenerator  = new BasicRandomNumberGenerator(seed);
            var sampler          = new Sampler(randomGenerator);
            var stochasticEngine = new BasicStochasticEngine(sampler);

            return(stochasticEngine);
        }