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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: }