xref: /dflybsd-src/contrib/gmp/mpz/set.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)

/* mpz_set (dest_integer, src_integer) -- Assign DEST_INTEGER from SRC_INTEGER.

Copyright 1991, 1993, 1994, 1995, 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 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"


#ifdef BERKELEY_MP
#include "mp.h"
#define FUNCTION   move
#define ARGUMENTS  mpz_srcptr u, mpz_ptr w

#else
#define FUNCTION   mpz_set
#define ARGUMENTS  mpz_ptr w, mpz_srcptr u

#endif


void
FUNCTION (ARGUMENTS)
{
  mp_ptr wp, up;
  mp_size_t usize, size;

  usize = u->_mp_size;
  size = ABS (usize);

  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 = usize;
}