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#ifndef INCLUDE_MATFILE_H_
#define INCLUDE_MATFILE_H_

#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>

typedef enum {
    miINT8 = 1,
    miUINT8 = 2,
    miINT16 = 3,
    miUINT16 = 4,
    miINT32 = 5,
    miUINT32 = 6,
    miSINGLE = 7,
    // 8 -- Reserved
    miDOUBLE = 9,
    // 10 -- Reserved
    // 11 -- Reserved
    miINT64 = 12,
    miUINT64 = 13,
    miMATRIX = 14,
    miCOMPRESSED = 15,
    miUTF8 = 16,
    miUTF16 = 17,
    miUTF32 = 18
} mTypes_t;

typedef enum {
    mxCELL_CLASS = 1,
    mxSTRUCT_CLASS = 2,
    mxOBJECT_CLASS = 3,
    mxCHAR_CLASS = 4,
    mxSPARSE_CLASS = 5,
    mxDOUBLE_CLASS = 6,
    mxSINGLE_CLASS = 7,
    mxINT8_CLASS = 8,
    mxUINT8_CLASS = 9,
    mxINT16_CLASS = 10,
    mxUINT16_CLASS = 11,
    mxINT32_CLASS = 12,
    mxUINT32_CLASS = 13,
    mxINT64_CLASS = 14,
    mxUINT64_CLASS = 15,
} mClasses_t;

typedef struct {
    char  description[116];
    uint32_t subsystem_offset_high;
    uint32_t subsystem_offset_low;
    uint16_t version;
    uint16_t endian_indicator;
} mHeader_t;

typedef struct {
	uint32_t type;
	uint32_t size;
} mTag_t;

typedef struct {
	uint16_t type;
	uint16_t size;
} mSmallTag_t;

typedef struct {
	mTag_t tag;
	void *data;
} mData_t;

typedef struct {
	mSmallTag_t tag;
	uint32_t    data;
} mSmallData_t;

typedef struct {
	uint8_t class;
	struct {
		uint8_t unused1 : 1;
		uint8_t logical : 1;
		uint8_t global : 1;
		uint8_t complex : 1;
		uint8_t unused2 : 4;
	};
	uint16_t unused3;
	uint32_t unused0;
} mArrayFlags_t;

bool write_header(FILE *file);
bool write_data(FILE *file, mData_t data);
bool write_small_data(FILE *file, mSmallData_t data);

#endif  // INCLUDE_MATFILE_H_