pqc/external/flint-2.4.3/fmpz/cmp_ui.c
2014-05-24 23:16:06 +02:00

46 lines
1.5 KiB
C

/*=============================================================================
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) 2010 Sebastian Pancratz
******************************************************************************/
#include <gmp.h>
#include "flint.h"
#include "ulong_extras.h"
#include "fmpz.h"
int
fmpz_cmp_ui(const fmpz_t f, ulong g)
{
fmpz c = *f;
if (!COEFF_IS_MPZ(c)) /* f is small */
{
if (c < WORD(0) || g > COEFF_MAX)
return -1;
else
return c < (slong) g ? -1 : c > (slong) g;
}
else /* f is large */
return flint_mpz_cmp_ui(COEFF_TO_PTR(c), g);
}