nag_1d_quad_osc_1 (d01skc) Example Program Results (User-supplied callback f, first invocation.) a - lower limit of integration = 0.0000 b - upper limit of integration = 6.2832 epsabs - absolute accuracy requested = 0.00e+00 epsrel - relative accuracy requested = 1.00e-03 result - approximation to the integral = -0.20967 abserr - estimate of the absolute error = 4.48e-14 qp.fun_count - number of function evaluations = 427 qp.num_subint - number of subintervals used = 4