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/*=============================================================================
This file is part of FLINT.
FLINT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FLINT 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with FLINT; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
=============================================================================*/
/******************************************************************************
Copyright (C) 2012 Thomas M. DuBuisson
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "fmpz.h"
void fmpz_or(fmpz_t f, const fmpz_t g, const fmpz_t h)
{
fmpz c1,c2;
c1 = *g;
c2 = *h;
if(!COEFF_IS_MPZ(c1))
{
if(!COEFF_IS_MPZ(c2)) /* both inputs are small */
{
fmpz_set_si(f, c1 | c2);
} else /* g is small, h is large */
{
mpz_t tmp;
__mpz_struct * mpz3 = _fmpz_promote(f);
flint_mpz_init_set_si(tmp,c1);
mpz_ior(mpz3, COEFF_TO_PTR(c2), tmp);
_fmpz_demote_val(f);
mpz_clear(tmp);
}
} else
{
if(!COEFF_IS_MPZ(c2)) /* g is large, h is small */
{
mpz_t tmp;
__mpz_struct *mpz3 = _fmpz_promote(f);
flint_mpz_init_set_si(tmp,c2);
mpz_ior(mpz3, COEFF_TO_PTR(c1), tmp);
mpz_clear(tmp);
} else /* g and h are large */
{
__mpz_struct * mpz3 = _fmpz_promote(f);
__mpz_struct * mpz1 = COEFF_TO_PTR(c1);
__mpz_struct * mpz2 = COEFF_TO_PTR(c2);
mpz_ior(mpz3, mpz1, mpz2);
}
}
}
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