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Annotation of OpenXM_contrib/gmp/mpbsd/itom.c, Revision 1.1.1.3

1.1       maekawa     1: /* itom -- BSD compatible allocate and initiate a MINT.
                      2:
1.1.1.3 ! ohara       3: Copyright 1991, 1994, 1995, 2000, 2001 Free Software Foundation, Inc.
1.1       maekawa     4:
                      5: This file is part of the GNU MP Library.
                      6:
                      7: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2   maekawa     8: it under the terms of the GNU Lesser General Public License as published by
                      9: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1       maekawa    10: option) any later version.
                     11:
                     12: The GNU MP Library is distributed in the hope that it will be useful, but
                     13: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2   maekawa    14: or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
1.1       maekawa    15: License for more details.
                     16:
1.1.1.2   maekawa    17: You should have received a copy of the GNU Lesser General Public License
1.1       maekawa    18: along with the GNU MP Library; see the file COPYING.LIB.  If not, write to
                     19: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
                     20: MA 02111-1307, USA. */
                     21:
                     22: #include "mp.h"
                     23: #include "gmp.h"
                     24: #include "gmp-impl.h"
                     25:
                     26: MINT *
                     27: itom (signed short int n)
                     28: {
                     29:   MINT *x;
                     30:   mp_ptr xp;
                     31:
1.1.1.3 ! ohara      32:   x = (MINT *) (*__gmp_allocate_func) (sizeof (MINT));
1.1       maekawa    33:   x->_mp_alloc = 1;
1.1.1.3 ! ohara      34:   x->_mp_d = xp = (mp_ptr) (*__gmp_allocate_func) (BYTES_PER_MP_LIMB);
1.1       maekawa    35:   if (n > 0)
                     36:     {
                     37:       x->_mp_size = 1;
                     38:       xp[0] = n;
                     39:     }
                     40:   else if (n < 0)
                     41:     {
                     42:       x->_mp_size = -1;
1.1.1.2   maekawa    43:       xp[0] = (unsigned short) -n;
1.1       maekawa    44:     }
                     45:   else
                     46:     x->_mp_size = 0;
                     47:
                     48:   return x;
                     49: }