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/* mpz_set_ui(integer, val) -- Assign INTEGER with a small value VAL.

Copyright 1991, 1993-1995, 2001, 2002, 2004, 2012 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"

void
mpz_set_ui (mpz_ptr dest, unsigned long int val)
{
  mp_size_t size;

  PTR (dest)[0] = val & GMP_NUMB_MASK;
  size = val != 0;

#if BITS_PER_ULONG > GMP_NUMB_BITS  /* avoid warnings about shift amount */
  if (val > GMP_NUMB_MAX)
    {
      MPZ_REALLOC (dest, 2);
      PTR (dest)[1] = val >> GMP_NUMB_BITS;
      size = 2;
    }
#endif

  SIZ (dest) = size;
}