static void int32_sort()

in sntrup4591761.c [43:60]

• 16 lines of code
• 9 McCabe index (conditional complexity)

static void int32_sort(crypto_int32 *x,int n)
{
  int top,p,q,i;

  if (n < 2) return;
  top = 1;
  while (top < n - top) top += top;

  for (p = top;p > 0;p >>= 1) {
    for (i = 0;i < n - p;++i)
      if (!(i & p))
        minmax(x + i,x + i + p);
    for (q = top;q > p;q >>= 1)
      for (i = 0;i < n - q;++i)
        if (!(i & p))
          minmax(x + i + p,x + i + q);
  }
}