C++ (Cpp) EBITSET_NONZERO_SET Examples

Example #1

File: table.c Project: cooljeanius/apple-gdb-1824

/* Copy bits from bitset SRC to bitset DST.  */
static inline void
tbitset_copy_ (bitset dst, bitset src)
{
  if (src == dst)
    return;

  tbitset_zero (dst);

  if (BITSET_NBITS_ (dst) != BITSET_NBITS_ (src))
    tbitset_resize (dst, BITSET_NBITS_ (src));

  tbitset_elts *selts = EBITSET_ELTS (src);
  tbitset_elts *delts = EBITSET_ELTS (dst);
  for (bitset_windex j = 0; j < EBITSET_SIZE (src); j++)
    {
      tbitset_elt *selt = selts[j];
      if (selt)
        {
          tbitset_elt *tmp = tbitset_elt_alloc ();
          delts[j] = tmp;
          memcpy (EBITSET_WORDS (tmp), EBITSET_WORDS (selt),
                  sizeof (EBITSET_WORDS (selt)));
        }
    }
  EBITSET_NONZERO_SET (dst);
}

Example #2

File: ebitset.c Project: AnotherView/bison

/* Weed out the zero elements from the elts.  */
static inline bitset_windex
ebitset_weed (bitset bset)
{
  ebitset_elts *elts;
  bitset_windex j;
  bitset_windex count;

  if (EBITSET_ZERO_P (bset))
    return 0;

  elts = EBITSET_ELTS (bset);
  count = 0;
  for (j = 0; j < EBITSET_SIZE (bset); j++)
    {
      ebitset_elt *elt = elts[j];

      if (elt)
        {
          if (ebitset_elt_zero_p (elt))
            {
              ebitset_elt_remove (bset, j);
              count++;
            }
        }
      else
        count++;
    }

  count = j - count;
  if (!count)
    {
      /* All the bits are zero.  We could shrink the elts.
         For now just mark BSET as known to be zero.  */
      EBITSET_ZERO_SET (bset);
    }
  else
    EBITSET_NONZERO_SET (bset);

  return count;
}