1/* itom -- BSD compatible allocate and initiate a MINT.
2
3Copyright 1991, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
4
5This file is part of the GNU MP Library.
6
7The GNU MP Library is free software; you can redistribute it and/or modify
8it under the terms of the GNU Lesser General Public License as published by
9the Free Software Foundation; either version 3 of the License, or (at your
10option) any later version.
11
12The GNU MP Library is distributed in the hope that it will be useful, but
13WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
14or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
15License for more details.
16
17You should have received a copy of the GNU Lesser General Public License
18along with the GNU MP Library.  If not, see http://www.gnu.org/licenses/.  */
19
20#include "mp.h"
21#include "gmp.h"
22#include "gmp-impl.h"
23
24MINT *
25itom (signed short int n)
26{
27  MINT *x;
28  mp_ptr xp;
29
30  x = (MINT *) (*__gmp_allocate_func) (sizeof (MINT));
31  x->_mp_alloc = 1;
32  x->_mp_d = xp = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB);
33  if (n > 0)
34    {
35      x->_mp_size = 1;
36      xp[0] = n;
37    }
38  else if (n < 0)
39    {
40      x->_mp_size = -1;
41      xp[0] = (unsigned short) -n;
42    }
43  else
44    x->_mp_size = 0;
45
46  return x;
47}
48