/* mpi-cmp.c  -  MPI functions * Copyright (C) 1998, 1999 Free Software Foundation, Inc. * * This file is part of GnuPG. * * GnuPG 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. * * GnuPG 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 this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #include "mpi-internal.h" int mpi_cmp_ui(MPI u, unsigned long v){	mpi_limb_t limb = v; 	mpi_normalize(u);	if (!u->nlimbs && !limb)		return 0;	if (u->sign)		return -1;	if (u->nlimbs > 1)		return 1; 	if (u->d[0] == limb)		return 0;	else if (u->d[0] > limb)		return 1;	else		return -1;}EXPORT_SYMBOL_GPL(mpi_cmp_ui); int mpi_cmp(MPI u, MPI v){	mpi_size_t usize, vsize;	int cmp; 	mpi_normalize(u);	mpi_normalize(v);	usize = u->nlimbs;	vsize = v->nlimbs;	if (!u->sign && v->sign)		return 1;	if (u->sign && !v->sign)		return -1;	if (usize != vsize && !u->sign && !v->sign)		return usize - vsize;	if (usize != vsize && u->sign && v->sign)		return vsize + usize;	if (!usize)		return 0;	cmp = mpihelp_cmp(u->d, v->d, usize);	if (!cmp)		return 0;	if ((cmp < 0 ? 1 : 0) == (u->sign ? 1 : 0))		return 1;	return -1;}EXPORT_SYMBOL_GPL(mpi_cmp);