- denorm_absent : std
- denorm_indeterminate : std
- denorm_present : std
- parallel_balanced : __gnu_parallel
- parallel_omp_loop : __gnu_parallel
- parallel_omp_loop_static : __gnu_parallel
- parallel_taskqueue : __gnu_parallel
- parallel_unbalanced : __gnu_parallel
- round_to_nearest : std
- round_toward_infinity : std
- round_toward_neg_infinity : std
- round_toward_zero : std
- sequential : __gnu_parallel