35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
|
/* Cray mpn_hamdist -- hamming distance count.
|
||
|
|
|
||
|
|
Copyright 2000 Free Software Foundation, Inc.
|
||
|
|
|
||
|
|
This file is part of the GNU MP Library.
|
||
|
|
|
||
|
|
The GNU MP Library is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU Lesser General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2.1 of the License, or (at your
|
||
|
|
option) any later version.
|
||
|
|
|
||
|
|
The GNU MP Library is distributed in the hope that it will be useful, but
|
||
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
||
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
||
|
|
License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public License
|
||
|
|
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
|
||
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
|
|
MA 02110-1301, USA. */
|
||
|
|
|
||
|
|
#include <intrinsics.h>
|
||
|
|
#include "gmp.h"
|
||
|
|
#include "gmp-impl.h"
|
||
|
|
|
||
|
|
unsigned long int
|
||
|
|
mpn_hamdist (mp_srcptr p1, mp_srcptr p2, mp_size_t n)
|
||
|
|
{
|
||
|
|
unsigned long int result = 0;
|
||
|
|
mp_size_t i;
|
||
|
|
for (i = 0; i < n; i++)
|
||
|
|
result += _popcnt (p1[i] ^ p2[i]);
|
||
|
|
return result;
|
||
|
|
}
|