/// <summary>
/// Adaptive integration on infinite interval (-Infinity,+Infinity) using default settings for integration rule and debugging.
/// </summary>
/// <param name="f">Function to integrate.</param>
/// <param name="epsabs">Specifies the expected absolute error of integration. Should be set to zero (0) if you specify a relative error.</param>
/// <param name="epsrel">Specifies the expected relative error of integration. Should be set to zero (0) if you specify an absolute error.</param>
/// <param name="limit">Maximum number of subintervals used for integration.</param>
/// <param name="result">On return, contains the integration result.</param>
/// <param name="abserr">On return, contains the absolute error of integration.</param>
/// <param name="tempStorage">Provides a temporary storage object that you can reuse for repeating function calls.</param>
/// <returns>Null if successfull, otherwise the appropriate error code.</returns>
public static GSL_ERROR Integration(Func <double, double> f,
double epsabs, double epsrel,
int limit,
out double result, out double abserr,
ref object tempStorage
)
{
var algo = tempStorage as QagiIntegration;
if (null == algo)
{
tempStorage = algo = new QagiIntegration();
}
return(algo.Integrate(f, epsabs, epsrel, limit, out result, out abserr));
}
/// <summary>
/// Adaptive integration on infinite interval (-Infinity,+Infinity) using default settings for integration rule and debugging.
/// </summary>
/// <param name="f">Function to integrate.</param>
/// <param name="epsabs">Specifies the expected absolute error of integration. Should be set to zero (0) if you specify a relative error.</param>
/// <param name="epsrel">Specifies the expected relative error of integration. Should be set to zero (0) if you specify an absolute error.</param>
/// <param name="limit">Maximum number of subintervals used for integration.</param>
/// <param name="result">On return, contains the integration result.</param>
/// <param name="abserr">On return, contains the absolute error of integration.</param>
/// <param name="tempStorage">Provides a temporary storage object that you can reuse for repeating function calls.</param>
/// <returns>Null if successfull, otherwise the appropriate error code.</returns>
public static GSL_ERROR Integration(Func<double, double> f,
double epsabs, double epsrel,
int limit,
out double result, out double abserr,
ref object tempStorage
)
{
QagiIntegration algo = tempStorage as QagiIntegration;
if (null == algo)
tempStorage = algo = new QagiIntegration();
return algo.Integrate(f, epsabs, epsrel, limit, out result, out abserr);
}