nag_quad_dim1_quad_inf_wt_trig_1 (d01ssc) Example Program Results (User-supplied callback g, first invocation.) a - lower limit of integration = 0.0000 b - upper limit of integration = infinity epsabs - absolute accuracy requested = 1.00e-03 result - approximation to the integral = 1.00000 abserr - estimate of the absolute error = 5.92e-04 qpsub.fun_count - number of function evaluations = 380 qpsub.intervals - number of intervals used = 6 qpsub.subints_per_interval - maximum number of subintervals used in any one interval = 8