1f (unsigned short Z[48])
2{
3  int j;
4  unsigned short t1, t2, t3, T[48];
5  unsigned short *p = T + 48;
6
7  for (j = 1; j < 8; j++)
8    {
9      t1 = *Z++;
10      *--p = *Z++;
11      *--p = t1;
12      t1 = inv(*Z++);
13      t2 = -*Z++;
14      t3 = -*Z++;
15      *--p = inv(*Z++);
16      *--p = t2;
17      *--p = t3;
18      *--p = t1;
19    }
20}
21