nag_omp_set_max_active_levels (x06ajc) Example Program Results Implementation max active levels default: 2147483647 No. threads in 1st parallel region: 3 No. threads in 2nd parallel region: 1 Total threads: 3 Max active levels set to: 2 x06ak return value: 2 No. threads in 1st parallel region: 3 No. threads in 2nd parallel region: 7 Total threads: 21 Max active levels set to: 1 x06ak return value: 1 No. threads in 1st parallel region: 3 No. threads in 2nd parallel region: 1 Total threads: 3