Annotation of OpenXM_contrib/gmp/mpz/iset.c, Revision 1.1.1.3
1.1 maekawa 1: /* mpz_init_set (src_integer) -- Make a new multiple precision number with
2: a value copied from SRC_INTEGER.
3:
1.1.1.3 ! ohara 4: Copyright 1991, 1993, 1994, 1996, 2000, 2001, 2002 Free Software Foundation,
! 5: Inc.
1.1 maekawa 6:
7: This file is part of the GNU MP Library.
8:
9: The GNU MP Library is free software; you can redistribute it and/or modify
1.1.1.2 maekawa 10: it under the terms of the GNU Lesser General Public License as published by
11: the Free Software Foundation; either version 2.1 of the License, or (at your
1.1 maekawa 12: option) any later version.
13:
14: The GNU MP Library is distributed in the hope that it will be useful, but
15: WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
1.1.1.2 maekawa 16: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
1.1 maekawa 17: License for more details.
18:
1.1.1.2 maekawa 19: You should have received a copy of the GNU Lesser General Public License
1.1 maekawa 20: along with the GNU MP Library; see the file COPYING.LIB. If not, write to
21: the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22: MA 02111-1307, USA. */
23:
24: #include "gmp.h"
25: #include "gmp-impl.h"
26:
27: void
28: mpz_init_set (mpz_ptr w, mpz_srcptr u)
29: {
30: mp_ptr wp, up;
31: mp_size_t usize, size;
32:
33: usize = u->_mp_size;
34: size = ABS (usize);
35:
36: w->_mp_alloc = MAX (size, 1);
1.1.1.3 ! ohara 37: w->_mp_d = (mp_ptr) (*__gmp_allocate_func) (w->_mp_alloc * BYTES_PER_MP_LIMB);
1.1 maekawa 38:
39: wp = w->_mp_d;
40: up = u->_mp_d;
41:
42: MPN_COPY (wp, up, size);
43: w->_mp_size = usize;
1.1.1.3 ! ohara 44:
! 45: #ifdef __CHECKER__
! 46: /* let the low limb look initialized, for the benefit of mpz_get_ui etc */
! 47: if (size == 0)
! 48: wp[0] = 0;
! 49: #endif
1.1 maekawa 50: }
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