nag_1d_quad_wt_trig_1 (d01snc) Example Program Results (User-supplied callback g, 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-04 result - approximation to the integral = -0.12814 abserr - estimate of the absolute error = 3.58e-06 qp.fun_count - number of function evaluations = 275 qp.num_subint - number of subintervals used = 8