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/** @file matio.h
* LIBMATIO Header
* @ingroup MAT
*/
/*
* Copyright (c) 2005-2019, Christopher C. Hulbert
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef MATIO_H
#define MATIO_H
#include <stdlib.h>
#include <stdio.h>
#include "matio_pubconf.h"
#include <stdarg.h>
#ifdef __cplusplus
# define EXTERN extern "C"
#else
# define EXTERN extern
#endif
/** @defgroup MAT Matlab MAT File I/O Library */
/** @defgroup mat_util MAT File I/O Utility Functions */
/** @if mat_devman @defgroup mat_internal Internal Functions @endif */
/** @brief MAT file access types
*
* @ingroup MAT
* MAT file access types
*/
enum mat_acc {
MAT_ACC_RDONLY = 0, /**< @brief Read only file access */
MAT_ACC_RDWR = 1 /**< @brief Read/Write file access */
};
/** @brief MAT file versions
*
* @ingroup MAT
* MAT file versions
*/
enum mat_ft {
MAT_FT_MAT73 = 0x0200, /**< @brief Matlab version 7.3 file */
MAT_FT_MAT5 = 0x0100, /**< @brief Matlab version 5 file */
MAT_FT_MAT4 = 0x0010, /**< @brief Matlab version 4 file */
MAT_FT_UNDEFINED = 0 /**< @brief Undefined version */
};
/** @brief Matlab data types
*
* @ingroup MAT
* Matlab data types
*/
enum matio_types {
MAT_T_UNKNOWN = 0, /**< @brief UNKNOWN data type */
MAT_T_INT8 = 1, /**< @brief 8-bit signed integer data type */
MAT_T_UINT8 = 2, /**< @brief 8-bit unsigned integer data type */
MAT_T_INT16 = 3, /**< @brief 16-bit signed integer data type */
MAT_T_UINT16 = 4, /**< @brief 16-bit unsigned integer data type */
MAT_T_INT32 = 5, /**< @brief 32-bit signed integer data type */
MAT_T_UINT32 = 6, /**< @brief 32-bit unsigned integer data type */
MAT_T_SINGLE = 7, /**< @brief IEEE 754 single precision data type */
MAT_T_DOUBLE = 9, /**< @brief IEEE 754 double precision data type */
MAT_T_INT64 = 12, /**< @brief 64-bit signed integer data type */
MAT_T_UINT64 = 13, /**< @brief 64-bit unsigned integer data type */
MAT_T_MATRIX = 14, /**< @brief matrix data type */
MAT_T_COMPRESSED = 15, /**< @brief compressed data type */
MAT_T_UTF8 = 16, /**< @brief 8-bit Unicode text data type */
MAT_T_UTF16 = 17, /**< @brief 16-bit Unicode text data type */
MAT_T_UTF32 = 18, /**< @brief 32-bit Unicode text data type */
MAT_T_STRING = 20, /**< @brief String data type */
MAT_T_CELL = 21, /**< @brief Cell array data type */
MAT_T_STRUCT = 22, /**< @brief Structure data type */
MAT_T_ARRAY = 23, /**< @brief Array data type */
MAT_T_FUNCTION = 24 /**< @brief Function data type */
};
/** @brief Matlab variable classes
*
* @ingroup MAT
* Matlab variable classes
*/
enum matio_classes {
MAT_C_EMPTY = 0, /**< @brief Empty array */
MAT_C_CELL = 1, /**< @brief Matlab cell array class */
MAT_C_STRUCT = 2, /**< @brief Matlab structure class */
MAT_C_OBJECT = 3, /**< @brief Matlab object class */
MAT_C_CHAR = 4, /**< @brief Matlab character array class */
MAT_C_SPARSE = 5, /**< @brief Matlab sparse array class */
MAT_C_DOUBLE = 6, /**< @brief Matlab double-precision class */
MAT_C_SINGLE = 7, /**< @brief Matlab single-precision class */
MAT_C_INT8 = 8, /**< @brief Matlab signed 8-bit integer class */
MAT_C_UINT8 = 9, /**< @brief Matlab unsigned 8-bit integer class */
MAT_C_INT16 = 10, /**< @brief Matlab signed 16-bit integer class */
MAT_C_UINT16 = 11, /**< @brief Matlab unsigned 16-bit integer class */
MAT_C_INT32 = 12, /**< @brief Matlab signed 32-bit integer class */
MAT_C_UINT32 = 13, /**< @brief Matlab unsigned 32-bit integer class */
MAT_C_INT64 = 14, /**< @brief Matlab signed 64-bit integer class */
MAT_C_UINT64 = 15, /**< @brief Matlab unsigned 64-bit integer class */
MAT_C_FUNCTION = 16, /**< @brief Matlab function class */
MAT_C_OPAQUE = 17 /**< @brief Matlab opaque class */
};
/** @brief Matlab array flags
*
* @ingroup MAT
* Matlab array flags
*/
enum matio_flags {
MAT_F_COMPLEX = 0x0800, /**< @brief Complex bit flag */
MAT_F_GLOBAL = 0x0400, /**< @brief Global bit flag */
MAT_F_LOGICAL = 0x0200, /**< @brief Logical bit flag */
MAT_F_DONT_COPY_DATA = 0x0001 /**< Don't copy data, use keep the pointer */
};
/** @brief MAT file compression options
*
* This option is only used on version 5 MAT files
* @ingroup MAT
*/
enum matio_compression {
MAT_COMPRESSION_NONE = 0, /**< @brief No compression */
MAT_COMPRESSION_ZLIB = 1 /**< @brief zlib compression */
};
/** @brief matio lookup type
*
* @ingroup MAT
* matio lookup type
*/
enum {
MAT_BY_NAME = 1, /**< Lookup by name */
MAT_BY_INDEX = 2 /**< Lookup by index */
};
/** @brief Complex data type using split storage
*
* Complex data type using split real/imaginary pointers
* @ingroup MAT
*/
typedef struct mat_complex_split_t {
void *Re; /**< Pointer to the real part */
void *Im; /**< Pointer to the imaginary part */
} mat_complex_split_t;
struct _mat_t;
/** @brief Matlab MAT File information
* Contains information about a Matlab MAT file
* @ingroup MAT
*/
typedef struct _mat_t mat_t;
/* Incomplete definition for private library data */
struct matvar_internal;
/** @brief Matlab variable information
*
* Contains information about a Matlab variable
* @ingroup MAT
*/
typedef struct matvar_t {
size_t nbytes; /**< Number of bytes for the MAT variable */
int rank; /**< Rank (Number of dimensions) of the data */
enum matio_types data_type; /**< Data type (MAT_T_*) */
int data_size; /**< Bytes / element for the data */
enum matio_classes class_type; /**< Class type in Matlab (MAT_C_DOUBLE, etc) */
int isComplex; /**< non-zero if the data is complex, 0 if real */
int isGlobal; /**< non-zero if the variable is global */
int isLogical; /**< non-zero if the variable is logical */
size_t *dims; /**< Array of lengths for each dimension */
char *name; /**< Name of the variable */
void *data; /**< Pointer to the data */
int mem_conserve; /**< 1 if Memory was conserved with data */
enum matio_compression compression; /**< Variable compression type */
struct matvar_internal *internal; /**< matio internal data */
} matvar_t;
/** @brief sparse data information
*
* Contains information and data for a sparse matrix
* @ingroup MAT
*/
typedef struct mat_sparse_t {
int nzmax; /**< Maximum number of non-zero elements */
mat_int32_t *ir; /**< Array of size nzmax where ir[k] is the row of
* data[k]. 0 <= k <= nzmax
*/
int nir; /**< number of elements in ir */
mat_int32_t *jc; /**< Array size N+1 (N is number of columns) with
* jc[k] being the index into ir/data of the
* first non-zero element for row k.
*/
int njc; /**< Number of elements in jc */
int ndata; /**< Number of complex/real data values */
void *data; /**< Array of data elements */
} mat_sparse_t;
/** @cond 0 */
#define MATIO_LOG_LEVEL_ERROR 1
#define MATIO_LOG_LEVEL_CRITICAL 1 << 1
#define MATIO_LOG_LEVEL_WARNING 1 << 2
#define MATIO_LOG_LEVEL_MESSAGE 1 << 3
#define MATIO_LOG_LEVEL_DEBUG 1 << 4
/** @endcond */
/* Library function */
EXTERN void Mat_GetLibraryVersion(int *major,int *minor,int *release);
/* io.c */
EXTERN char *strdup_vprintf(const char *format, va_list ap) MATIO_FORMATATTR_VPRINTF;
EXTERN char *strdup_printf(const char *format, ...) MATIO_FORMATATTR_PRINTF1;
EXTERN int Mat_SetVerbose(int verb, int s);
EXTERN int Mat_SetDebug(int d);
EXTERN void Mat_Critical(const char *format, ...) MATIO_FORMATATTR_PRINTF1;
EXTERN MATIO_NORETURN void Mat_Error(const char *format, ...) MATIO_NORETURNATTR MATIO_FORMATATTR_PRINTF1;
EXTERN void Mat_Help(const char *helpstr[]);
EXTERN int Mat_LogInit(const char *prog_name);
EXTERN int Mat_LogClose(void);
EXTERN int Mat_LogInitFunc(const char *prog_name,
void (*log_func)(int log_level, char *message));
EXTERN int Mat_Message(const char *format, ...) MATIO_FORMATATTR_PRINTF1;
EXTERN int Mat_DebugMessage(int level, const char *format, ...) MATIO_FORMATATTR_PRINTF2;
EXTERN int Mat_VerbMessage(int level, const char *format, ...) MATIO_FORMATATTR_PRINTF2;
EXTERN void Mat_Warning(const char *format, ...) MATIO_FORMATATTR_PRINTF1;
EXTERN size_t Mat_SizeOf(enum matio_types data_type);
EXTERN size_t Mat_SizeOfClass(int class_type);
/* MAT File functions */
/** Create new Matlab MAT file */
#define Mat_Create(a,b) Mat_CreateVer(a,b,MAT_FT_DEFAULT)
EXTERN mat_t *Mat_CreateVer(const char *matname,const char *hdr_str,
enum mat_ft mat_file_ver);
EXTERN int Mat_Close(mat_t *mat);
EXTERN mat_t *Mat_Open(const char *matname,int mode);
EXTERN const char *Mat_GetFilename(mat_t *mat);
EXTERN const char *Mat_GetHeader(mat_t *mat);
EXTERN enum mat_ft Mat_GetVersion(mat_t *mat);
EXTERN char **Mat_GetDir(mat_t *mat, size_t *n);
EXTERN int Mat_Rewind(mat_t *mat);
/* MAT variable functions */
EXTERN matvar_t *Mat_VarCalloc(void);
EXTERN matvar_t *Mat_VarCreate(const char *name,enum matio_classes class_type,
enum matio_types data_type,int rank,size_t *dims,
void *data,int opt);
EXTERN matvar_t *Mat_VarCreateStruct(const char *name,int rank,size_t *dims,
const char **fields,unsigned nfields);
EXTERN int Mat_VarDelete(mat_t *mat, const char *name);
EXTERN matvar_t *Mat_VarDuplicate(const matvar_t *in, int opt);
EXTERN void Mat_VarFree(matvar_t *matvar);
EXTERN matvar_t *Mat_VarGetCell(matvar_t *matvar,int index);
EXTERN matvar_t **Mat_VarGetCells(matvar_t *matvar,int *start,int *stride,
int *edge);
EXTERN matvar_t **Mat_VarGetCellsLinear(matvar_t *matvar,int start,int stride,
int edge);
EXTERN size_t Mat_VarGetSize(matvar_t *matvar);
EXTERN unsigned Mat_VarGetNumberOfFields(matvar_t *matvar);
EXTERN int Mat_VarAddStructField(matvar_t *matvar,const char *fieldname);
EXTERN char * const *Mat_VarGetStructFieldnames(const matvar_t *matvar);
EXTERN matvar_t *Mat_VarGetStructFieldByIndex(matvar_t *matvar,
size_t field_index,size_t index);
EXTERN matvar_t *Mat_VarGetStructFieldByName(matvar_t *matvar,
const char *field_name,size_t index);
EXTERN matvar_t *Mat_VarGetStructField(matvar_t *matvar,void *name_or_index,
int opt,int index);
EXTERN matvar_t *Mat_VarGetStructs(matvar_t *matvar,int *start,int *stride,
int *edge,int copy_fields);
EXTERN matvar_t *Mat_VarGetStructsLinear(matvar_t *matvar,int start,int stride,
int edge,int copy_fields);
EXTERN void Mat_VarPrint(matvar_t *matvar, int printdata);
EXTERN matvar_t *Mat_VarRead(mat_t *mat, const char *name);
EXTERN int Mat_VarReadData(mat_t *mat,matvar_t *matvar,void *data,
int *start,int *stride,int *edge);
EXTERN int Mat_VarReadDataAll(mat_t *mat,matvar_t *matvar);
EXTERN int Mat_VarReadDataLinear(mat_t *mat,matvar_t *matvar,void *data,
int start,int stride,int edge);
EXTERN matvar_t *Mat_VarReadInfo(mat_t *mat, const char *name);
EXTERN matvar_t *Mat_VarReadNext(mat_t *mat);
EXTERN matvar_t *Mat_VarReadNextInfo(mat_t *mat);
EXTERN matvar_t *Mat_VarSetCell(matvar_t *matvar,int index,matvar_t *cell);
EXTERN matvar_t *Mat_VarSetStructFieldByIndex(matvar_t *matvar,
size_t field_index,size_t index,matvar_t *field);
EXTERN matvar_t *Mat_VarSetStructFieldByName(matvar_t *matvar,
const char *field_name,size_t index,matvar_t *field);
EXTERN int Mat_VarWrite(mat_t *mat,matvar_t *matvar,
enum matio_compression compress);
EXTERN int Mat_VarWriteAppend(mat_t *mat,matvar_t *matvar,
enum matio_compression compress,int dim);
EXTERN int Mat_VarWriteInfo(mat_t *mat,matvar_t *matvar);
EXTERN int Mat_VarWriteData(mat_t *mat,matvar_t *matvar,void *data,
int *start,int *stride,int *edge);
/* Other functions */
EXTERN int Mat_CalcSingleSubscript(int rank,int *dims,int *subs);
EXTERN int Mat_CalcSingleSubscript2(int rank,size_t *dims,size_t *subs,size_t *index);
EXTERN int *Mat_CalcSubscripts(int rank,int *dims,int index);
EXTERN size_t *Mat_CalcSubscripts2(int rank,size_t *dims,size_t index);
#endif