/// <summary>Initializes a new instance of the <see cref="Algorithm"/> class.
/// </summary>
/// <param name="gaussHermiteConstantAbscissasIntegrator">The <see cref="GaussHermiteConstAbscissaIntegrator"/> object which serves as factory for the current object.</param>
internal Algorithm(GaussHermiteConstAbscissaIntegrator gaussHermiteConstantAbscissasIntegrator)
{
m_IntegratorFactory = gaussHermiteConstantAbscissasIntegrator;
WeightFunction = OneDimNumericalIntegrator.WeightFunction.Create(x => Math.Exp(-x * x));
m_EvaluationPoints = GaussianQuadrature.Hermite.GetValue(m_IntegratorFactory.Order, out m_Weights);
}
public void GetValue_One_BenchmarkResult(
[Values(100, 125)]
int order)
{
var gaussHermiteIntegrator = new GaussHermiteConstAbscissaIntegrator(order);
var numericalIntegrator = gaussHermiteIntegrator.Create();
numericalIntegrator.FunctionToIntegrate = (x, k) => 1.0;
double expected = Math.Sqrt(Math.PI);
double actual = numericalIntegrator.GetValue();
Assert.That(actual, Is.EqualTo(expected).Within(1E-6), String.Format("1-dimensional integrator {0}.", numericalIntegrator.Factory.Name));
}