/* This code is part of the tng compression routines.
 *
 * Written by Daniel Spangberg
 * Copyright (c) 2010, 2013, The GROMACS development team.
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Revised BSD License.
 */

#ifndef CODER_H
#define CODER_H

#ifndef DECLSPECDLLEXPORT
#ifdef USE_WINDOWS
#define DECLSPECDLLEXPORT __declspec(dllexport)
#else /* USE_WINDOWS */
#define DECLSPECDLLEXPORT
#endif /* USE_WINDOWS */
#endif /* DECLSPECDLLEXPORT */

struct coder
{
    unsigned int pack_temporary;
    int pack_temporary_bits;
    int stat_overflow;
    int stat_numval;
};

struct coder DECLSPECDLLEXPORT *Ptngc_coder_init(void);
void DECLSPECDLLEXPORT Ptngc_coder_deinit(struct coder *coder);
unsigned char DECLSPECDLLEXPORT *Ptngc_pack_array(struct coder *coder,int *input, int *length, const int coding, const int coding_parameter, const int natoms, const int speed);
int DECLSPECDLLEXPORT Ptngc_unpack_array(struct coder *coder,unsigned char *packed,int *output, const int length, const int coding, const int coding_parameter, const int natoms);
unsigned char DECLSPECDLLEXPORT *Ptngc_pack_array_xtc2(struct coder *coder,int *input, int *length);
int DECLSPECDLLEXPORT Ptngc_unpack_array_xtc2(struct coder *coder, unsigned char *packed, int *output, const int length);
unsigned char DECLSPECDLLEXPORT *Ptngc_pack_array_xtc3(int *input, int *length, int natoms, int speed);
int DECLSPECDLLEXPORT Ptngc_unpack_array_xtc3(unsigned char *packed,int *output, int length, int natoms);

void DECLSPECDLLEXPORT Ptngc_out8bits(struct coder *coder, unsigned char **output);
void DECLSPECDLLEXPORT Ptngc_pack_flush(struct coder *coder,unsigned char **output);
void DECLSPECDLLEXPORT Ptngc_write_pattern(struct coder *coder,unsigned int pattern, int nbits, unsigned char **output);

void DECLSPECDLLEXPORT Ptngc_writebits(struct coder *coder, unsigned int value, const int nbits, unsigned char **output_ptr);
void DECLSPECDLLEXPORT Ptngc_write32bits(struct coder *coder,unsigned int value,int nbits, unsigned char **output_ptr);
void DECLSPECDLLEXPORT Ptngc_writemanybits(struct coder *coder,unsigned char *value,int nbits, unsigned char **output_ptr);


#endif