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/* mpz_cmp(u,v) -- Compare U, V. Return postive, zero, or negative
based on if U > V, U == V, or U < V.
Copyright (C) 1991, 1993, 1994, 1996 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 Library General Public License as published by
the Free Software Foundation; either version 2 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 Library General Public
License for more details.
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#ifdef BERKELEY_MP
#include "mp.h"
#endif
#include "gmp.h"
#include "gmp-impl.h"
#ifndef BERKELEY_MP
int
#if __STDC__
mpz_cmp (mpz_srcptr u, mpz_srcptr v)
#else
mpz_cmp (u, v)
mpz_srcptr u;
mpz_srcptr v;
#endif
#else /* BERKELEY_MP */
int
#if __STDC__
mcmp (mpz_srcptr u, mpz_srcptr v)
#else
mcmp (u, v)
mpz_srcptr u;
mpz_srcptr v;
#endif
#endif /* BERKELEY_MP */
{
mp_size_t usize = u->_mp_size;
mp_size_t vsize = v->_mp_size;
mp_size_t size;
mp_srcptr up, vp;
int cmp;
if (usize != vsize)
return usize - vsize;
if (usize == 0)
return 0;
size = ABS (usize);
up = u->_mp_d;
vp = v->_mp_d;
cmp = mpn_cmp (up, vp, size);
if (cmp == 0)
return 0;
if ((cmp < 0) == (usize < 0))
return 1;
else
return -1;
}
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