/* *****************************************************************************
 * libg1m/internals/bcd.h -- the libg1m BCD internal helpers.
 * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of libg1m.
 * libg1m is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 3.0 of the License,
 * or (at your option) any later version.
 *
 * libg1m 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libg1m; if not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************** */
#ifndef LIBG1M_INTERNALS_BCD_H
# define LIBG1M_INTERNALS_BCD_H
# include <libg1m/bcd.h>
# include <string.h>
# define upr(N) ((bytes[(N)] & 0xf0) >> 4)
# define lwr(N) (bytes[(N)] & 0xf)

int g1m_bcd_get_exponent(struct bcd *bcd);
int g1m_bcd_get_exponent_neg(struct bcd *bcd, int *neg);

#endif /* LIBG1M_INTERNALS_BCD_H */