See: Description
Class  Description 

BaseRuleFactory<T extends Number> 
Base class for rules that determines the integration nodes and their
weights.

GaussIntegrator 
Class that implements the Gaussian rule for
integrating a weighted
function. 
GaussIntegratorFactory 
Class that provides different ways to compute the nodes and weights to be
used by the
Gaussian integration rule . 
HermiteRuleFactory 
Factory that creates a
Gausstype quadrature rule using Hermite polynomials
of the first kind.

LegendreHighPrecisionRuleFactory 
Factory that creates Gausstype quadrature rule using Legendre polynomials.

LegendreRuleFactory 
Factory that creates Gausstype quadrature rule using Legendre polynomials.

SymmetricGaussIntegrator 
This class's implements
integrate
method assuming that the integral is symmetric about 0. 
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