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/* mpz_roinit_n -- Initialize mpz with read-only limb array.

Copyright 2013 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 https://www.gnu.org/licenses/.  */

#include "gmp.h"
#include "gmp-impl.h"

mpz_srcptr
mpz_roinit_n (mpz_ptr x, mp_srcptr xp, mp_size_t xs)
{
  mp_size_t xn = ABS(xs);
  MPN_NORMALIZE (xp, xn);

  ALLOC (x) = 0;
  SIZ (x) = xs < 0 ? -xn : xn;
  PTR (x) = (mp_ptr) xp;
  return x;
}