D01RG_T1W_F C++ Header Example Program Results lower limit of integration (a) = -1 upper limit of integration (b) = 1 absolute accuracy requested = 0 relative accuracy requested = 0.0001 approximation to the integral : 3.8115e+00 estimate of the absolute error : 2.9281e-04 number of function evaluations : 227 Derivatives calculated: First order tangents Computational mode : algorithmic Derivative of solution w.r.t to lower limit: d/da(x) = -2.5208e+00