Annotation of OpenXM/src/kan96xx/gmp-2.0.2-ssh-2/mpz/iset.c, Revision 1.1.1.1
1.1 takayama 1: /* mpz_init_set (src_integer) -- Make a new multiple precision number with
2: a value copied from SRC_INTEGER.
3:
4: Copyright (C) 1991, 1993, 1994, 1996 Free Software Foundation, Inc.
5:
6: This file is part of the GNU MP Library.
7:
8: The GNU MP Library is free software; you can redistribute it and/or modify
9: it under the terms of the GNU Library General Public License as published by
10: the Free Software Foundation; either version 2 of the License, or (at your
11: option) any later version.
12:
13: The GNU MP Library is distributed in the hope that it will be useful, but
14: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
16: License for more details.
17:
18: You should have received a copy of the GNU Library General Public License
19: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
20: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21: MA 02111-1307, USA. */
22:
23: #include "gmp.h"
24: #include "gmp-impl.h"
25:
26: void
27: #if __STDC__
28: mpz_init_set (mpz_ptr w, mpz_srcptr u)
29: #else
30: mpz_init_set (w, u)
31: mpz_ptr w;
32: mpz_srcptr u;
33: #endif
34: {
35: mp_ptr wp, up;
36: mp_size_t usize, size;
37:
38: usize = u->_mp_size;
39: size = ABS (usize);
40:
41: w->_mp_alloc = MAX (size, 1);
42: w->_mp_d = (mp_ptr) (*_mp_allocate_func) (w->_mp_alloc * BYTES_PER_MP_LIMB);
43:
44: wp = w->_mp_d;
45: up = u->_mp_d;
46:
47: MPN_COPY (wp, up, size);
48: w->_mp_size = usize;
49: }
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