path: root/src/H5Tpublic.h

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*
 * This file contains public declarations for the H5T module.
 */
#ifndef H5Tpublic_H
#define H5Tpublic_H

/* Public headers needed by this file */
#include "H5public.h"
#include "H5Ipublic.h"

#define HOFFSET(S, M) (offsetof(S, M))

/* These are the various classes of datatypes */
/* If this goes over 16 types (0-15), the file format will need to change) */
typedef enum H5T_class_t {
    H5T_NO_CLASS  = -1, /*error                                      */
    H5T_INTEGER   = 0,  /*integer types                              */
    H5T_FLOAT     = 1,  /*floating-point types                       */
    H5T_TIME      = 2,  /*date and time types                        */
    H5T_STRING    = 3,  /*character string types                     */
    H5T_BITFIELD  = 4,  /*bit field types                            */
    H5T_OPAQUE    = 5,  /*opaque types                               */
    H5T_COMPOUND  = 6,  /*compound types                             */
    H5T_REFERENCE = 7,  /*reference types                            */
    H5T_ENUM      = 8,  /*enumeration types                          */
    H5T_VLEN      = 9,  /*Variable-Length types                      */
    H5T_ARRAY     = 10, /*Array types                                */

    H5T_NCLASSES /*this must be last                          */
} H5T_class_t;

/* Byte orders */
typedef enum H5T_order_t {
    H5T_ORDER_ERROR = -1, /*error                                      */
    H5T_ORDER_LE    = 0,  /*little endian                              */
    H5T_ORDER_BE    = 1,  /*bit endian                                 */
    H5T_ORDER_VAX   = 2,  /*VAX mixed endian                           */
    H5T_ORDER_MIXED = 3,  /*Compound type with mixed member orders     */
    H5T_ORDER_NONE  = 4   /*no particular order (strings, bits,..)     */
    /*H5T_ORDER_NONE must be last */
} H5T_order_t;

/* Types of integer sign schemes */
typedef enum H5T_sign_t {
    H5T_SGN_ERROR = -1, /*error                                      */
    H5T_SGN_NONE  = 0,  /*this is an unsigned type                   */
    H5T_SGN_2     = 1,  /*two's complement                           */

    H5T_NSGN = 2 /*this must be last!                         */
} H5T_sign_t;

/* Floating-point normalization schemes */
typedef enum H5T_norm_t {
    H5T_NORM_ERROR   = -1, /*error                                      */
    H5T_NORM_IMPLIED = 0,  /*msb of mantissa isn't stored, always 1     */
    H5T_NORM_MSBSET  = 1,  /*msb of mantissa is always 1                */
    H5T_NORM_NONE    = 2   /*not normalized                             */
    /*H5T_NORM_NONE must be last */
} H5T_norm_t;

/*
 * Character set to use for text strings.  Do not change these values since
 * they appear in HDF5 files!
 */
typedef enum H5T_cset_t {
    H5T_CSET_ERROR       = -1, /*error                                      */
    H5T_CSET_ASCII       = 0,  /*US ASCII                                   */
    H5T_CSET_UTF8        = 1,  /*UTF-8 Unicode encoding		     */
    H5T_CSET_RESERVED_2  = 2,  /*reserved for later use		     */
    H5T_CSET_RESERVED_3  = 3,  /*reserved for later use		     */
    H5T_CSET_RESERVED_4  = 4,  /*reserved for later use		     */
    H5T_CSET_RESERVED_5  = 5,  /*reserved for later use		     */
    H5T_CSET_RESERVED_6  = 6,  /*reserved for later use		     */
    H5T_CSET_RESERVED_7  = 7,  /*reserved for later use		     */
    H5T_CSET_RESERVED_8  = 8,  /*reserved for later use		     */
    H5T_CSET_RESERVED_9  = 9,  /*reserved for later use		     */
    H5T_CSET_RESERVED_10 = 10, /*reserved for later use		     */
    H5T_CSET_RESERVED_11 = 11, /*reserved for later use		     */
    H5T_CSET_RESERVED_12 = 12, /*reserved for later use		     */
    H5T_CSET_RESERVED_13 = 13, /*reserved for later use		     */
    H5T_CSET_RESERVED_14 = 14, /*reserved for later use		     */
    H5T_CSET_RESERVED_15 = 15  /*reserved for later use		     */
} H5T_cset_t;
#define H5T_NCSET H5T_CSET_RESERVED_2 /*Number of character sets actually defined  */

/*
 * Type of padding to use in character strings.  Do not change these values
 * since they appear in HDF5 files!
 */
typedef enum H5T_str_t {
    H5T_STR_ERROR       = -1, /*error                                      */
    H5T_STR_NULLTERM    = 0,  /*null terminate like in C                   */
    H5T_STR_NULLPAD     = 1,  /*pad with nulls                             */
    H5T_STR_SPACEPAD    = 2,  /*pad with spaces like in Fortran            */
    H5T_STR_RESERVED_3  = 3,  /*reserved for later use		     */
    H5T_STR_RESERVED_4  = 4,  /*reserved for later use		     */
    H5T_STR_RESERVED_5  = 5,  /*reserved for later use		     */
    H5T_STR_RESERVED_6  = 6,  /*reserved for later use		     */
    H5T_STR_RESERVED_7  = 7,  /*reserved for later use		     */
    H5T_STR_RESERVED_8  = 8,  /*reserved for later use		     */
    H5T_STR_RESERVED_9  = 9,  /*reserved for later use		     */
    H5T_STR_RESERVED_10 = 10, /*reserved for later use		     */
    H5T_STR_RESERVED_11 = 11, /*reserved for later use		     */
    H5T_STR_RESERVED_12 = 12, /*reserved for later use		     */
    H5T_STR_RESERVED_13 = 13, /*reserved for later use		     */
    H5T_STR_RESERVED_14 = 14, /*reserved for later use		     */
    H5T_STR_RESERVED_15 = 15  /*reserved for later use		     */
} H5T_str_t;
#define H5T_NSTR H5T_STR_RESERVED_3 /*num H5T_str_t types actually defined	     */

/* Type of padding to use in other atomic types */
typedef enum H5T_pad_t {
    H5T_PAD_ERROR      = -1, /*error                                      */
    H5T_PAD_ZERO       = 0,  /*always set to zero                         */
    H5T_PAD_ONE        = 1,  /*always set to one                          */
    H5T_PAD_BACKGROUND = 2,  /*set to background value                    */

    H5T_NPAD = 3 /*THIS MUST BE LAST                          */
} H5T_pad_t;

/* Commands sent to conversion functions */
typedef enum H5T_cmd_t {
    H5T_CONV_INIT = 0, /*query and/or initialize private data	     */
    H5T_CONV_CONV = 1, /*convert data from source to dest datatype */
    H5T_CONV_FREE = 2  /*function is being removed from path	     */
} H5T_cmd_t;

/* How is the `bkg' buffer used by the conversion function? */
typedef enum H5T_bkg_t {
    H5T_BKG_NO   = 0, /*background buffer is not needed, send NULL */
    H5T_BKG_TEMP = 1, /*bkg buffer used as temp storage only       */
    H5T_BKG_YES  = 2  /*init bkg buf with data before conversion   */
} H5T_bkg_t;

/* Type conversion client data */
typedef struct H5T_cdata_t {
    H5T_cmd_t command;  /*what should the conversion function do?    */
    H5T_bkg_t need_bkg; /*is the background buffer needed?	     */
    hbool_t   recalc;   /*recalculate private data		     */
    void *    priv;     /*private data				     */
} H5T_cdata_t;

/* Conversion function persistence */
typedef enum H5T_pers_t {
    H5T_PERS_DONTCARE = -1, /*wild card				     */
    H5T_PERS_HARD     = 0,  /*hard conversion function		     */
    H5T_PERS_SOFT     = 1   /*soft conversion function		     */
} H5T_pers_t;

/* The order to retrieve atomic native datatype */
typedef enum H5T_direction_t {
    H5T_DIR_DEFAULT = 0, /*default direction is inscendent            */
    H5T_DIR_ASCEND  = 1, /*in inscendent order                        */
    H5T_DIR_DESCEND = 2  /*in descendent order                        */
} H5T_direction_t;

/* The exception type passed into the conversion callback function */
typedef enum H5T_conv_except_t {
    H5T_CONV_EXCEPT_RANGE_HI  = 0, /*source value is greater than destination's range */
    H5T_CONV_EXCEPT_RANGE_LOW = 1, /*source value is less than destination's range    */
    H5T_CONV_EXCEPT_PRECISION = 2, /*source value loses precision in destination      */
    H5T_CONV_EXCEPT_TRUNCATE  = 3, /*source value is truncated in destination         */
    H5T_CONV_EXCEPT_PINF      = 4, /*source value is positive infinity(floating number) */
    H5T_CONV_EXCEPT_NINF      = 5, /*source value is negative infinity(floating number) */
    H5T_CONV_EXCEPT_NAN       = 6  /*source value is NaN(floating number)             */
} H5T_conv_except_t;

/* The return value from conversion callback function H5T_conv_except_func_t */
typedef enum H5T_conv_ret_t {
    H5T_CONV_ABORT     = -1, /*abort conversion                           */
    H5T_CONV_UNHANDLED = 0,  /*callback function failed to handle the exception      */
    H5T_CONV_HANDLED   = 1   /*callback function handled the exception successfully  */
} H5T_conv_ret_t;

/* Variable Length Datatype struct in memory */
/* (This is only used for VL sequences, not VL strings, which are stored in char *'s) */
typedef struct {
    size_t len; /* Length of VL data (in base type units) */
    void * p;   /* Pointer to VL data */
} hvl_t;

/* Variable Length String information */
#define H5T_VARIABLE                                                                                         \
    ((size_t)(                                                                                               \
        -1)) /* Indicate that a string is variable length (null-terminated in C, instead of fixed length) */

/* Opaque information */
#define H5T_OPAQUE_TAG_MAX 256 /* Maximum length of an opaque tag */
/* This could be raised without too much difficulty */

#ifdef __cplusplus
extern "C" {
#endif

/* All datatype conversion functions are... */
typedef herr_t (*H5T_conv_t)(hid_t src_id, hid_t dst_id, H5T_cdata_t *cdata, size_t nelmts, size_t buf_stride,
                             size_t bkg_stride, void *buf, void *bkg, hid_t dset_xfer_plist);

/* Exception handler.  If an exception like overflow happenes during conversion,
 * this function is called if it's registered through H5Pset_type_conv_cb.
 */
typedef H5T_conv_ret_t (*H5T_conv_except_func_t)(H5T_conv_except_t except_type, hid_t src_id, hid_t dst_id,
                                                 void *src_buf, void *dst_buf, void *user_data);

/* When this header is included from a private header, don't make calls to H5open() */
#undef H5OPEN
#ifndef _H5private_H
#define H5OPEN H5open(),
#else /* _H5private_H */
#define H5OPEN
#endif /* _H5private_H */

/*
 * The IEEE floating point types in various byte orders.
 */
#define H5T_IEEE_F32BE (H5OPEN H5T_IEEE_F32BE_g)
#define H5T_IEEE_F32LE (H5OPEN H5T_IEEE_F32LE_g)
#define H5T_IEEE_F64BE (H5OPEN H5T_IEEE_F64BE_g)
#define H5T_IEEE_F64LE (H5OPEN H5T_IEEE_F64LE_g)
H5_DLLVAR hid_t H5T_IEEE_F32BE_g;
H5_DLLVAR hid_t H5T_IEEE_F32LE_g;
H5_DLLVAR hid_t H5T_IEEE_F64BE_g;
H5_DLLVAR hid_t H5T_IEEE_F64LE_g;

/*
 * These are "standard" types.  For instance, signed (2's complement) and
 * unsigned integers of various sizes and byte orders.
 */
#define H5T_STD_I8BE        (H5OPEN H5T_STD_I8BE_g)
#define H5T_STD_I8LE        (H5OPEN H5T_STD_I8LE_g)
#define H5T_STD_I16BE       (H5OPEN H5T_STD_I16BE_g)
#define H5T_STD_I16LE       (H5OPEN H5T_STD_I16LE_g)
#define H5T_STD_I32BE       (H5OPEN H5T_STD_I32BE_g)
#define H5T_STD_I32LE       (H5OPEN H5T_STD_I32LE_g)
#define H5T_STD_I64BE       (H5OPEN H5T_STD_I64BE_g)
#define H5T_STD_I64LE       (H5OPEN H5T_STD_I64LE_g)
#define H5T_STD_U8BE        (H5OPEN H5T_STD_U8BE_g)
#define H5T_STD_U8LE        (H5OPEN H5T_STD_U8LE_g)
#define H5T_STD_U16BE       (H5OPEN H5T_STD_U16BE_g)
#define H5T_STD_U16LE       (H5OPEN H5T_STD_U16LE_g)
#define H5T_STD_U32BE       (H5OPEN H5T_STD_U32BE_g)
#define H5T_STD_U32LE       (H5OPEN H5T_STD_U32LE_g)
#define H5T_STD_U64BE       (H5OPEN H5T_STD_U64BE_g)
#define H5T_STD_U64LE       (H5OPEN H5T_STD_U64LE_g)
#define H5T_STD_B8BE        (H5OPEN H5T_STD_B8BE_g)
#define H5T_STD_B8LE        (H5OPEN H5T_STD_B8LE_g)
#define H5T_STD_B16BE       (H5OPEN H5T_STD_B16BE_g)
#define H5T_STD_B16LE       (H5OPEN H5T_STD_B16LE_g)
#define H5T_STD_B32BE       (H5OPEN H5T_STD_B32BE_g)
#define H5T_STD_B32LE       (H5OPEN H5T_STD_B32LE_g)
#define H5T_STD_B64BE       (H5OPEN H5T_STD_B64BE_g)
#define H5T_STD_B64LE       (H5OPEN H5T_STD_B64LE_g)
#define H5T_STD_REF_OBJ     (H5OPEN H5T_STD_REF_OBJ_g)
#define H5T_STD_REF_DSETREG (H5OPEN H5T_STD_REF_DSETREG_g)
H5_DLLVAR hid_t H5T_STD_I8BE_g;
H5_DLLVAR hid_t H5T_STD_I8LE_g;
H5_DLLVAR hid_t H5T_STD_I16BE_g;
H5_DLLVAR hid_t H5T_STD_I16LE_g;
H5_DLLVAR hid_t H5T_STD_I32BE_g;
H5_DLLVAR hid_t H5T_STD_I32LE_g;
H5_DLLVAR hid_t H5T_STD_I64BE_g;
H5_DLLVAR hid_t H5T_STD_I64LE_g;
H5_DLLVAR hid_t H5T_STD_U8BE_g;
H5_DLLVAR hid_t H5T_STD_U8LE_g;
H5_DLLVAR hid_t H5T_STD_U16BE_g;
H5_DLLVAR hid_t H5T_STD_U16LE_g;
H5_DLLVAR hid_t H5T_STD_U32BE_g;
H5_DLLVAR hid_t H5T_STD_U32LE_g;
H5_DLLVAR hid_t H5T_STD_U64BE_g;
H5_DLLVAR hid_t H5T_STD_U64LE_g;
H5_DLLVAR hid_t H5T_STD_B8BE_g;
H5_DLLVAR hid_t H5T_STD_B8LE_g;
H5_DLLVAR hid_t H5T_STD_B16BE_g;
H5_DLLVAR hid_t H5T_STD_B16LE_g;
H5_DLLVAR hid_t H5T_STD_B32BE_g;
H5_DLLVAR hid_t H5T_STD_B32LE_g;
H5_DLLVAR hid_t H5T_STD_B64BE_g;
H5_DLLVAR hid_t H5T_STD_B64LE_g;
H5_DLLVAR hid_t H5T_STD_REF_OBJ_g;
H5_DLLVAR hid_t H5T_STD_REF_DSETREG_g;

/*
 * Types which are particular to Unix.
 */
#define H5T_UNIX_D32BE (H5OPEN H5T_UNIX_D32BE_g)
#define H5T_UNIX_D32LE (H5OPEN H5T_UNIX_D32LE_g)
#define H5T_UNIX_D64BE (H5OPEN H5T_UNIX_D64BE_g)
#define H5T_UNIX_D64LE (H5OPEN H5T_UNIX_D64LE_g)
H5_DLLVAR hid_t H5T_UNIX_D32BE_g;
H5_DLLVAR hid_t H5T_UNIX_D32LE_g;
H5_DLLVAR hid_t H5T_UNIX_D64BE_g;
H5_DLLVAR hid_t H5T_UNIX_D64LE_g;

/*
 * Types particular to the C language.  String types use `bytes' instead
 * of `bits' as their size.
 */
#define H5T_C_S1 (H5OPEN H5T_C_S1_g)
H5_DLLVAR hid_t H5T_C_S1_g;

/*
 * Types particular to Fortran.
 */
#define H5T_FORTRAN_S1 (H5OPEN H5T_FORTRAN_S1_g)
H5_DLLVAR hid_t H5T_FORTRAN_S1_g;

/*
 * These types are for Intel CPU's.  They are little endian with IEEE
 * floating point.
 */
#define H5T_INTEL_I8  H5T_STD_I8LE
#define H5T_INTEL_I16 H5T_STD_I16LE
#define H5T_INTEL_I32 H5T_STD_I32LE
#define H5T_INTEL_I64 H5T_STD_I64LE
#define H5T_INTEL_U8  H5T_STD_U8LE
#define H5T_INTEL_U16 H5T_STD_U16LE
#define H5T_INTEL_U32 H5T_STD_U32LE
#define H5T_INTEL_U64 H5T_STD_U64LE
#define H5T_INTEL_B8  H5T_STD_B8LE
#define H5T_INTEL_B16 H5T_STD_B16LE
#define H5T_INTEL_B32 H5T_STD_B32LE
#define H5T_INTEL_B64 H5T_STD_B64LE
#define H5T_INTEL_F32 H5T_IEEE_F32LE
#define H5T_INTEL_F64 H5T_IEEE_F64LE

/*
 * These types are for DEC Alpha CPU's.  They are little endian with IEEE
 * floating point.
 */
#define H5T_ALPHA_I8  H5T_STD_I8LE
#define H5T_ALPHA_I16 H5T_STD_I16LE
#define H5T_ALPHA_I32 H5T_STD_I32LE
#define H5T_ALPHA_I64 H5T_STD_I64LE
#define H5T_ALPHA_U8  H5T_STD_U8LE
#define H5T_ALPHA_U16 H5T_STD_U16LE
#define H5T_ALPHA_U32 H5T_STD_U32LE
#define H5T_ALPHA_U64 H5T_STD_U64LE
#define H5T_ALPHA_B8  H5T_STD_B8LE
#define H5T_ALPHA_B16 H5T_STD_B16LE
#define H5T_ALPHA_B32 H5T_STD_B32LE
#define H5T_ALPHA_B64 H5T_STD_B64LE
#define H5T_ALPHA_F32 H5T_IEEE_F32LE
#define H5T_ALPHA_F64 H5T_IEEE_F64LE

/*
 * These types are for MIPS cpu's commonly used in SGI systems. They are big
 * endian with IEEE floating point.
 */
#define H5T_MIPS_I8  H5T_STD_I8BE
#define H5T_MIPS_I16 H5T_STD_I16BE
#define H5T_MIPS_I32 H5T_STD_I32BE
#define H5T_MIPS_I64 H5T_STD_I64BE
#define H5T_MIPS_U8  H5T_STD_U8BE
#define H5T_MIPS_U16 H5T_STD_U16BE
#define H5T_MIPS_U32 H5T_STD_U32BE
#define H5T_MIPS_U64 H5T_STD_U64BE
#define H5T_MIPS_B8  H5T_STD_B8BE
#define H5T_MIPS_B16 H5T_STD_B16BE
#define H5T_MIPS_B32 H5T_STD_B32BE
#define H5T_MIPS_B64 H5T_STD_B64BE
#define H5T_MIPS_F32 H5T_IEEE_F32BE
#define H5T_MIPS_F64 H5T_IEEE_F64BE

/*
 * The VAX floating point types (i.e. in VAX byte order)
 */
#define H5T_VAX_F32 (H5OPEN H5T_VAX_F32_g)
#define H5T_VAX_F64 (H5OPEN H5T_VAX_F64_g)
H5_DLLVAR hid_t H5T_VAX_F32_g;
H5_DLLVAR hid_t H5T_VAX_F64_g;

/*
 * The predefined native types. These are the types detected by H5detect and
 * they violate the naming scheme a little.  Instead of a class name,
 * precision and byte order as the last component, they have a C-like type
 * name.  If the type begins with `U' then it is the unsigned version of the
 * integer type; other integer types are signed.  The type LLONG corresponds
 * to C's `long long' and LDOUBLE is `long double' (these types might be the
 * same as `LONG' and `DOUBLE' respectively).
 */
#define H5T_NATIVE_CHAR   (CHAR_MIN ? H5T_NATIVE_SCHAR : H5T_NATIVE_UCHAR)
#define H5T_NATIVE_SCHAR  (H5OPEN H5T_NATIVE_SCHAR_g)
#define H5T_NATIVE_UCHAR  (H5OPEN H5T_NATIVE_UCHAR_g)
#define H5T_NATIVE_SHORT  (H5OPEN H5T_NATIVE_SHORT_g)
#define H5T_NATIVE_USHORT (H5OPEN H5T_NATIVE_USHORT_g)
#define H5T_NATIVE_INT    (H5OPEN H5T_NATIVE_INT_g)
#define H5T_NATIVE_UINT   (H5OPEN H5T_NATIVE_UINT_g)
#define H5T_NATIVE_LONG   (H5OPEN H5T_NATIVE_LONG_g)
#define H5T_NATIVE_ULONG  (H5OPEN H5T_NATIVE_ULONG_g)
#define H5T_NATIVE_LLONG  (H5OPEN H5T_NATIVE_LLONG_g)
#define H5T_NATIVE_ULLONG (H5OPEN H5T_NATIVE_ULLONG_g)
#define H5T_NATIVE_FLOAT  (H5OPEN H5T_NATIVE_FLOAT_g)
#define H5T_NATIVE_DOUBLE (H5OPEN H5T_NATIVE_DOUBLE_g)
#if H5_SIZEOF_LONG_DOUBLE != 0
#define H5T_NATIVE_LDOUBLE (H5OPEN H5T_NATIVE_LDOUBLE_g)
#endif
#define H5T_NATIVE_B8     (H5OPEN H5T_NATIVE_B8_g)
#define H5T_NATIVE_B16    (H5OPEN H5T_NATIVE_B16_g)
#define H5T_NATIVE_B32    (H5OPEN H5T_NATIVE_B32_g)
#define H5T_NATIVE_B64    (H5OPEN H5T_NATIVE_B64_g)
#define H5T_NATIVE_OPAQUE (H5OPEN H5T_NATIVE_OPAQUE_g)
#define H5T_NATIVE_HADDR  (H5OPEN H5T_NATIVE_HADDR_g)
#define H5T_NATIVE_HSIZE  (H5OPEN H5T_NATIVE_HSIZE_g)
#define H5T_NATIVE_HSSIZE (H5OPEN H5T_NATIVE_HSSIZE_g)
#define H5T_NATIVE_HERR   (H5OPEN H5T_NATIVE_HERR_g)
#define H5T_NATIVE_HBOOL  (H5OPEN H5T_NATIVE_HBOOL_g)
H5_DLLVAR hid_t H5T_NATIVE_SCHAR_g;
H5_DLLVAR hid_t H5T_NATIVE_UCHAR_g;
H5_DLLVAR hid_t H5T_NATIVE_SHORT_g;
H5_DLLVAR hid_t H5T_NATIVE_USHORT_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_g;
H5_DLLVAR hid_t H5T_NATIVE_LONG_g;
H5_DLLVAR hid_t H5T_NATIVE_ULONG_g;
H5_DLLVAR hid_t H5T_NATIVE_LLONG_g;
H5_DLLVAR hid_t H5T_NATIVE_ULLONG_g;
H5_DLLVAR hid_t H5T_NATIVE_FLOAT_g;
H5_DLLVAR hid_t H5T_NATIVE_DOUBLE_g;
#if H5_SIZEOF_LONG_DOUBLE != 0
H5_DLLVAR hid_t H5T_NATIVE_LDOUBLE_g;
#endif
H5_DLLVAR hid_t H5T_NATIVE_B8_g;
H5_DLLVAR hid_t H5T_NATIVE_B16_g;
H5_DLLVAR hid_t H5T_NATIVE_B32_g;
H5_DLLVAR hid_t H5T_NATIVE_B64_g;
H5_DLLVAR hid_t H5T_NATIVE_OPAQUE_g;
H5_DLLVAR hid_t H5T_NATIVE_HADDR_g;
H5_DLLVAR hid_t H5T_NATIVE_HSIZE_g;
H5_DLLVAR hid_t H5T_NATIVE_HSSIZE_g;
H5_DLLVAR hid_t H5T_NATIVE_HERR_g;
H5_DLLVAR hid_t H5T_NATIVE_HBOOL_g;

/* C9x integer types */
#define H5T_NATIVE_INT8        (H5OPEN H5T_NATIVE_INT8_g)
#define H5T_NATIVE_UINT8       (H5OPEN H5T_NATIVE_UINT8_g)
#define H5T_NATIVE_INT_LEAST8  (H5OPEN H5T_NATIVE_INT_LEAST8_g)
#define H5T_NATIVE_UINT_LEAST8 (H5OPEN H5T_NATIVE_UINT_LEAST8_g)
#define H5T_NATIVE_INT_FAST8   (H5OPEN H5T_NATIVE_INT_FAST8_g)
#define H5T_NATIVE_UINT_FAST8  (H5OPEN H5T_NATIVE_UINT_FAST8_g)
H5_DLLVAR hid_t H5T_NATIVE_INT8_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT8_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_LEAST8_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_LEAST8_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_FAST8_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_FAST8_g;

#define H5T_NATIVE_INT16        (H5OPEN H5T_NATIVE_INT16_g)
#define H5T_NATIVE_UINT16       (H5OPEN H5T_NATIVE_UINT16_g)
#define H5T_NATIVE_INT_LEAST16  (H5OPEN H5T_NATIVE_INT_LEAST16_g)
#define H5T_NATIVE_UINT_LEAST16 (H5OPEN H5T_NATIVE_UINT_LEAST16_g)
#define H5T_NATIVE_INT_FAST16   (H5OPEN H5T_NATIVE_INT_FAST16_g)
#define H5T_NATIVE_UINT_FAST16  (H5OPEN H5T_NATIVE_UINT_FAST16_g)
H5_DLLVAR hid_t H5T_NATIVE_INT16_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT16_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_LEAST16_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_LEAST16_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_FAST16_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_FAST16_g;

#define H5T_NATIVE_INT32        (H5OPEN H5T_NATIVE_INT32_g)
#define H5T_NATIVE_UINT32       (H5OPEN H5T_NATIVE_UINT32_g)
#define H5T_NATIVE_INT_LEAST32  (H5OPEN H5T_NATIVE_INT_LEAST32_g)
#define H5T_NATIVE_UINT_LEAST32 (H5OPEN H5T_NATIVE_UINT_LEAST32_g)
#define H5T_NATIVE_INT_FAST32   (H5OPEN H5T_NATIVE_INT_FAST32_g)
#define H5T_NATIVE_UINT_FAST32  (H5OPEN H5T_NATIVE_UINT_FAST32_g)
H5_DLLVAR hid_t H5T_NATIVE_INT32_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT32_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_LEAST32_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_LEAST32_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_FAST32_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_FAST32_g;

#define H5T_NATIVE_INT64        (H5OPEN H5T_NATIVE_INT64_g)
#define H5T_NATIVE_UINT64       (H5OPEN H5T_NATIVE_UINT64_g)
#define H5T_NATIVE_INT_LEAST64  (H5OPEN H5T_NATIVE_INT_LEAST64_g)
#define H5T_NATIVE_UINT_LEAST64 (H5OPEN H5T_NATIVE_UINT_LEAST64_g)
#define H5T_NATIVE_INT_FAST64   (H5OPEN H5T_NATIVE_INT_FAST64_g)
#define H5T_NATIVE_UINT_FAST64  (H5OPEN H5T_NATIVE_UINT_FAST64_g)
H5_DLLVAR hid_t H5T_NATIVE_INT64_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT64_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_LEAST64_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_LEAST64_g;
H5_DLLVAR hid_t H5T_NATIVE_INT_FAST64_g;
H5_DLLVAR hid_t H5T_NATIVE_UINT_FAST64_g;

/* Operations defined on all datatypes */
H5_DLL hid_t  H5Tcreate(H5T_class_t type, size_t size);
H5_DLL hid_t  H5Tcopy(hid_t type_id);
H5_DLL herr_t H5Tclose(hid_t type_id);
H5_DLL htri_t H5Tequal(hid_t type1_id, hid_t type2_id);
H5_DLL herr_t H5Tlock(hid_t type_id);
H5_DLL herr_t H5Tcommit2(hid_t loc_id, const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id,
                         hid_t tapl_id);
H5_DLL hid_t  H5Topen2(hid_t loc_id, const char *name, hid_t tapl_id);
H5_DLL herr_t H5Tcommit_anon(hid_t loc_id, hid_t type_id, hid_t tcpl_id, hid_t tapl_id);
H5_DLL hid_t  H5Tget_create_plist(hid_t type_id);
H5_DLL htri_t H5Tcommitted(hid_t type_id);
H5_DLL herr_t H5Tencode(hid_t obj_id, void *buf, size_t *nalloc);
H5_DLL hid_t  H5Tdecode(const void *buf);
H5_DLL herr_t H5Tflush(hid_t type_id);
H5_DLL herr_t H5Trefresh(hid_t type_id);

/* Operations defined on compound datatypes */
H5_DLL herr_t H5Tinsert(hid_t parent_id, const char *name, size_t offset, hid_t member_id);
H5_DLL herr_t H5Tpack(hid_t type_id);

/* Operations defined on enumeration datatypes */
H5_DLL hid_t  H5Tenum_create(hid_t base_id);
H5_DLL herr_t H5Tenum_insert(hid_t type, const char *name, const void *value);
H5_DLL herr_t H5Tenum_nameof(hid_t type, const void *value, char *name /*out*/, size_t size);
H5_DLL herr_t H5Tenum_valueof(hid_t type, const char *name, void *value /*out*/);

/* Operations defined on variable-length datatypes */
H5_DLL hid_t H5Tvlen_create(hid_t base_id);

/* Operations defined on array datatypes */
H5_DLL hid_t H5Tarray_create2(hid_t base_id, unsigned ndims, const hsize_t dim[/* ndims */]);
H5_DLL int   H5Tget_array_ndims(hid_t type_id);
H5_DLL int   H5Tget_array_dims2(hid_t type_id, hsize_t dims[]);

/* Operations defined on opaque datatypes */
H5_DLL herr_t H5Tset_tag(hid_t type, const char *tag);
H5_DLL char * H5Tget_tag(hid_t type);

/* Querying property values */
H5_DLL hid_t       H5Tget_super(hid_t type);
H5_DLL H5T_class_t H5Tget_class(hid_t type_id);
H5_DLL htri_t      H5Tdetect_class(hid_t type_id, H5T_class_t cls);
H5_DLL size_t      H5Tget_size(hid_t type_id);
H5_DLL H5T_order_t H5Tget_order(hid_t type_id);
H5_DLL size_t      H5Tget_precision(hid_t type_id);
H5_DLL int         H5Tget_offset(hid_t type_id);
H5_DLL herr_t      H5Tget_pad(hid_t type_id, H5T_pad_t *lsb /*out*/, H5T_pad_t *msb /*out*/);
H5_DLL H5T_sign_t  H5Tget_sign(hid_t type_id);
H5_DLL herr_t H5Tget_fields(hid_t type_id, size_t *spos /*out*/, size_t *epos /*out*/, size_t *esize /*out*/,
                            size_t *mpos /*out*/, size_t *msize /*out*/);
H5_DLL size_t H5Tget_ebias(hid_t type_id);
H5_DLL H5T_norm_t  H5Tget_norm(hid_t type_id);
H5_DLL H5T_pad_t   H5Tget_inpad(hid_t type_id);
H5_DLL H5T_str_t   H5Tget_strpad(hid_t type_id);
H5_DLL int         H5Tget_nmembers(hid_t type_id);
H5_DLL char *      H5Tget_member_name(hid_t type_id, unsigned membno);
H5_DLL int         H5Tget_member_index(hid_t type_id, const char *name);
H5_DLL size_t      H5Tget_member_offset(hid_t type_id, unsigned membno);
H5_DLL H5T_class_t H5Tget_member_class(hid_t type_id, unsigned membno);
H5_DLL hid_t       H5Tget_member_type(hid_t type_id, unsigned membno);
H5_DLL herr_t      H5Tget_member_value(hid_t type_id, unsigned membno, void *value /*out*/);
H5_DLL H5T_cset_t  H5Tget_cset(hid_t type_id);
H5_DLL htri_t      H5Tis_variable_str(hid_t type_id);
H5_DLL hid_t       H5Tget_native_type(hid_t type_id, H5T_direction_t direction);

/* Setting property values */
H5_DLL herr_t H5Tset_size(hid_t type_id, size_t size);
H5_DLL herr_t H5Tset_order(hid_t type_id, H5T_order_t order);
H5_DLL herr_t H5Tset_precision(hid_t type_id, size_t prec);
H5_DLL herr_t H5Tset_offset(hid_t type_id, size_t offset);
H5_DLL herr_t H5Tset_pad(hid_t type_id, H5T_pad_t lsb, H5T_pad_t msb);
H5_DLL herr_t H5Tset_sign(hid_t type_id, H5T_sign_t sign);
H5_DLL herr_t H5Tset_fields(hid_t type_id, size_t spos, size_t epos, size_t esize, size_t mpos, size_t msize);
H5_DLL herr_t H5Tset_ebias(hid_t type_id, size_t ebias);
H5_DLL herr_t H5Tset_norm(hid_t type_id, H5T_norm_t norm);
H5_DLL herr_t H5Tset_inpad(hid_t type_id, H5T_pad_t pad);
H5_DLL herr_t H5Tset_cset(hid_t type_id, H5T_cset_t cset);
H5_DLL herr_t H5Tset_strpad(hid_t type_id, H5T_str_t strpad);

/* Type conversion database */
H5_DLL herr_t H5Tregister(H5T_pers_t pers, const char *name, hid_t src_id, hid_t dst_id, H5T_conv_t func);
H5_DLL herr_t H5Tunregister(H5T_pers_t pers, const char *name, hid_t src_id, hid_t dst_id, H5T_conv_t func);
H5_DLL H5T_conv_t H5Tfind(hid_t src_id, hid_t dst_id, H5T_cdata_t **pcdata);
H5_DLL htri_t     H5Tcompiler_conv(hid_t src_id, hid_t dst_id);
H5_DLL herr_t     H5Tconvert(hid_t src_id, hid_t dst_id, size_t nelmts, void *buf, void *background,
                             hid_t plist_id);

/* Symbols defined for compatibility with previous versions of the HDF5 API.
 *
 * Use of these symbols is deprecated.
 */
#ifndef H5_NO_DEPRECATED_SYMBOLS

/* Macros */

/* Typedefs */

/* Function prototypes */
H5_DLL herr_t H5Tcommit1(hid_t loc_id, const char *name, hid_t type_id);
H5_DLL hid_t  H5Topen1(hid_t loc_id, const char *name);
H5_DLL hid_t  H5Tarray_create1(hid_t base_id, int ndims, const hsize_t dim[/* ndims */],
                               const int perm[/* ndims */]);
H5_DLL int    H5Tget_array_dims1(hid_t type_id, hsize_t dims[], int perm[]);

#endif /* H5_NO_DEPRECATED_SYMBOLS */

#ifdef __cplusplus
}
#endif
#endif /* H5Tpublic_H */