2008-06-25 03:33:36 -04:00
|
|
|
/* mpz_abs(dst, src) -- Assign the absolute value of SRC to DST.
|
|
|
|
|
|
|
|
|
|
Copyright 1991, 1993, 1994, 1995, 2001 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. */
|
|
|
|
|
|
|
|
|
|
#define __GMP_FORCE_mpz_abs 1
|
|
|
|
|
|
|
|
|
|
#include "gmp.h"
|
|
|
|
|
#include "gmp-impl.h"
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
mpz_abs (mpz_ptr w, mpz_srcptr u)
|
|
|
|
|
{
|
|
|
|
|
mp_ptr wp, up;
|
|
|
|
|
mp_size_t size;
|
|
|
|
|
|
|
|
|
|
size = ABS (u->_mp_size);
|
|
|
|
|
|
|
|
|
|
if (u != w)
|
|
|
|
|
{
|
|
|
|
|
if (w->_mp_alloc < size)
|
|
|
|
|
_mpz_realloc (w, size);
|
|
|
|
|
|
|
|
|
|
wp = w->_mp_d;
|
|
|
|
|
up = u->_mp_d;
|
|
|
|
|
|
|
|
|
|
MPN_COPY (wp, up, size);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
w->_mp_size = size;
|
|
|
|
|
}
|
