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/* mpz_init_set (src_integer) -- Make a new multiple precision number with
a value copied from SRC_INTEGER.
Copyright 1991, 1993, 1994, 1996, 2000, 2001, 2002 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 3 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. If not, see http://www.gnu.org/licenses/. */
#include "gmp.h"
#include "gmp-impl.h"
void
mpz_init_set (mpz_ptr w, mpz_srcptr u)
{
mp_ptr wp, up;
mp_size_t usize, size;
usize = u->_mp_size;
size = ABS (usize);
w->_mp_alloc = MAX (size, 1);
w->_mp_d = (mp_ptr) (*__gmp_allocate_func) (w->_mp_alloc * BYTES_PER_MP_LIMB);
wp = w->_mp_d;
up = u->_mp_d;
MPN_COPY (wp, up, size);
w->_mp_size = usize;
#ifdef __CHECKER__
/* let the low limb look initialized, for the benefit of mpz_get_ui etc */
if (size == 0)
wp[0] = 0;
#endif
}
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