nag_1d_quad_brkpts_1 (d01slc) Example Program Results (User-supplied callback f, first invocation.) a - lower limit of integration = 0.0000 b - upper limit of integration = 1.0000 epsabs - absolute accuracy requested = 0.00e+00 epsrel - relative accuracy requested = 1.00e-03 brkpts[0] - given break-point = 0.1429 result - approximation to the integral = 2.60757 abserr - estimate of the absolute error = 5.51e-14 qp.fun_count - number of function evaluations = 462 qp.num_subint - number of subintervals used = 12