OpenXM_contrib/gmp/mpz/popcount.c - diff

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version 1.1.1.2, 2000/09/09 14:12:55

version 1.1.1.3, 2003/08/25 16:06:33

Line 1

/* mpz_popcount(mpz_ptr op) -- Population count of OP. If the operand is

negative, return ~0 (a novel representation of infinity).

This file is part of the GNU MP Library.

Line 20 along with the GNU MP Library; see the file COPYING.LI

the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,

MA 02111-1307, USA. */

#define __GMP_FORCE_mpz_popcount 1

#include "gmp.h"

#include "gmp-impl.h"

unsigned long int

#if __STDC__

mpz_popcount (mpz_srcptr u)

#else

mpz_popcount (u)

mpz_srcptr u;

#endif

{

mp_size_t usize;

usize = u->_mp_size;

if ((usize) < 0)

return ~ (unsigned long int) 0;

return mpn_popcount (u->_mp_d, usize);

}