/* Copyright (c) 2019, Anthony Latorre <tlatorre at uchicago>
 *
 * This program 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 3 of the License, or (at your option)
 * any later version.

 * This program 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, see <https://www.gnu.org/licenses/>.
 */

#ifndef PACK2B_H
#define PACK2B_H

#include <stdint.h>

// various bits for floating point types--varies for different architectures
typedef float float32_t;
typedef double float64_t;

// macros for packing floats and doubles:
#define pack754_32(f) (pack754((f), 32, 8))
#define pack754_64(f) (pack754((f), 64, 11))
#define unpack754_32(i) (unpack754((i), 32, 8))
#define unpack754_64(i) (unpack754((i), 64, 11))

uint64_t pack754(long double f, unsigned bits, unsigned expbits);
long double unpack754(uint64_t i, unsigned bits, unsigned expbits);
void packi16(uint8_t *buf, int16_t i);
void packi32(uint8_t *buf, int32_t i);
void packi64(uint8_t *buf, int64_t i);
int16_t unpacki16(uint8_t *buf);
int32_t unpacki32(uint8_t *buf);
int64_t unpacki64(uint8_t *buf);
int32_t pack(uint8_t *buf, char *format, ...);
void unpack(uint8_t *buf, char *format, ...);

#endif