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Diffstat (limited to 'rts/gmp/mpz/hamdist.c')
-rw-r--r-- | rts/gmp/mpz/hamdist.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/rts/gmp/mpz/hamdist.c b/rts/gmp/mpz/hamdist.c deleted file mode 100644 index b039a653d2..0000000000 --- a/rts/gmp/mpz/hamdist.c +++ /dev/null @@ -1,62 +0,0 @@ -/* mpz_hamdist(mpz_ptr op1, mpz_ptr op2) -- Compute the hamming distance - between OP1 and OP2. If one of the operands is negative, return ~0. (We - could make the function well-defined when both operands are negative, but - that would probably not be worth the trouble. - -Copyright (C) 1994, 1996 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., 59 Temple Place - Suite 330, Boston, -MA 02111-1307, USA. */ - -#include "gmp.h" -#include "gmp-impl.h" - -unsigned long int -#if __STDC__ -mpz_hamdist (mpz_srcptr u, mpz_srcptr v) -#else -mpz_hamdist (u, v) - mpz_srcptr u; - mpz_srcptr v; -#endif -{ - mp_srcptr up, vp; - mp_size_t usize, vsize, size; - unsigned long int count; - - usize = u->_mp_size; - vsize = v->_mp_size; - - if ((usize | vsize) < 0) - return ~ (unsigned long int) 0; - - up = u->_mp_d; - vp = v->_mp_d; - - if (usize > vsize) - { - count = mpn_popcount (up + vsize, usize - vsize); - size = vsize; - } - else - { - count = mpn_popcount (vp + usize, vsize - usize); - size = usize; - } - - return count + mpn_hamdist (up, vp, size); -} |