% javac adaptiveQuadrature.java
% java -Xint AdaptiveQuadrature 0.5 1.5 0.001
Adaptive Quadrature of x**2 from 0.5 to 1.5 with relative error 0.0010
Result for x**2 = 1.084136962890625
Correct result = 1.0833333333333333