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/* mpz_init2 -- initialize mpz, with requested size in bits.
Copyright 2001, 2002 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
The GNU MP Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or (at your
option) any later version.
The GNU MP Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. */
#include "gmp.h"
#include "gmp-impl.h"
void
mpz_init2 (mpz_ptr x, unsigned long bits)
{
mp_size_t limbs;
limbs = (bits + GMP_NUMB_BITS-1) / GMP_NUMB_BITS;
limbs = MAX (limbs, 1);
SIZ(x) = 0;
ALLOC(x) = limbs;
PTR(x) = __GMP_ALLOCATE_FUNC_LIMBS (limbs);
#ifdef __CHECKER__
/* let the low limb look initialized, for the benefit of mpz_get_ui etc */
PTR(x)[0] = 0;
#endif
}
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