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Annotation of OpenXM_contrib/gmp/mpz/init2.c, Revision 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: }