52 lines
1.7 KiB
C
52 lines
1.7 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) 2009 William Hart
|
||
|
|
|
||
|
|
******************************************************************************/
|
||
|
|
|
||
|
|
#include <gmp.h>
|
||
|
|
#include "flint.h"
|
||
|
|
#include "ulong_extras.h"
|
||
|
|
#include "fmpz.h"
|
||
|
|
|
||
|
|
int fmpz_cmpabs(const fmpz_t f, const fmpz_t g)
|
||
|
|
{
|
||
|
|
if (f == g) return 0; /* aliased inputs */
|
||
|
|
|
||
|
|
if (!COEFF_IS_MPZ(*f))
|
||
|
|
{
|
||
|
|
if (!COEFF_IS_MPZ(*g))
|
||
|
|
{
|
||
|
|
mp_limb_t uf = FLINT_ABS(*f);
|
||
|
|
mp_limb_t ug = FLINT_ABS(*g);
|
||
|
|
|
||
|
|
return (uf < ug ? -1 : (uf > ug));
|
||
|
|
}
|
||
|
|
else return -1;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (!COEFF_IS_MPZ(*g)) return 1; /* f is large, so if g isn't... */
|
||
|
|
else return mpz_cmpabs(COEFF_TO_PTR(*f), COEFF_TO_PTR(*g));
|
||
|
|
}
|
||
|
|
}
|