hirecs_v1 (lib_r248.54-real)

hirecs_v1 (lib_r248.54-real) (results are compatible with: r200. r204, r209, r219-real):
optimizations, code refining.

Results:

!+karate:   mod: 0.41979, weight (both dir): 156, clusters: 43, root size: 4
!+dolphins: mod: 0.542408, weight (both dir): 318, clusters: 113, root size: 5
!+jazz:     mod: 0.503875, weight (both dir): 5484, clusters: 386, root size: 6
-celegans:  mod: 0.438871, weight (both dir): 4065, clusters: 865, root size: 13
+email:     mod: 0.581611, weight (both dir): 10903, clusters: 2130, root size: 12;  0.411407, 2.742 Mb
!+PGP:      mod: 0.90879, weight (both dir): 48632, clusters: 16582, root size: 190;  3.258203 sec, 8.820 Mb (on old laptop)