Annotation of OpenXM_contrib/gmp/mpz/init2.c, Revision 1.1.1.1
1.1 ohara 1: /* mpz_init2 -- initialize mpz, with requested size in bits.
2:
3: Copyright 2001, 2002 Free Software Foundation, Inc.
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
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
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
14: or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
15: License for more details.
16:
17: You should have received a copy of the GNU Lesser General Public License
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 "gmp.h"
23: #include "gmp-impl.h"
24:
25: void
26: mpz_init2 (mpz_ptr x, unsigned long bits)
27: {
28: mp_size_t limbs;
29: limbs = (bits + GMP_NUMB_BITS-1) / GMP_NUMB_BITS;
30: limbs = MAX (limbs, 1);
31: SIZ(x) = 0;
32: ALLOC(x) = limbs;
33: PTR(x) = __GMP_ALLOCATE_FUNC_LIMBS (limbs);
34:
35: #ifdef __CHECKER__
36: /* let the low limb look initialized, for the benefit of mpz_get_ui etc */
37: PTR(x)[0] = 0;
38: #endif
39: }
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