i5 = ((ht2_f4a >> i4 (x, 1, 2, 4, 5)) & 1)* 1
+ ((ht2_f4b >> i4 (x, 7,11,13,14)) & 1)* 2
+ ((ht2_f4b >> i4 (x,16,20,22,25)) & 1)* 4
+ ((ht2_f4b >> i4 (x,27,28,30,32)) & 1)* 8
+ ((ht2_f4a >> i4 (x,33,42,43,45)) & 1)*16;
i5 = ((ht2_f4a >> i4 (x, 1, 2, 4, 5)) & 1)* 1
+ ((ht2_f4b >> i4 (x, 7,11,13,14)) & 1)* 2
+ ((ht2_f4b >> i4 (x,16,20,22,25)) & 1)* 4
+ ((ht2_f4b >> i4 (x,27,28,30,32)) & 1)* 8
+ ((ht2_f4a >> i4 (x,33,42,43,45)) & 1)*16;