Supported Types

Scalar Types

Integers

Signed

Types	Remarks	HDF5 File Type
byte, int8	C char	H5T_STD_I8LE
short, int16	C short	H5T_STD_I16LE
int, int32	C int	H5T_STD_I32LE
long, int64	C long	H5T_STD_I64LE

Unsigned

Types	Remarks	HDF5 File Type
ubyte, uint8	C unsigned char	H5T_STD_U8LE
ushort, uint16	C unsigned short	H5T_STD_U16LE
uint, uint32	C unsigned int	H5T_STD_U32LE
ulong, uint64	C unsigned long	H5T_STD_U64LE

Floating-Point Numbers

Types	Remarks	HDF5 File Type
float, float32, single	C float	H5T_IEEE_F32LE
double, float64	C double	H5T_IEEE_F64LE

Strings

Types	Remarks	HDF5 File Type
stringN	Fixed-length C ASCII string of length N	H5T_C_S1
string	Variable-length C ASCII string	HDF5 varaiable-length ASCII string

Non-Scalar Types

Arrays

An array type is specified as T[a b c ... n] where T is a scalar type and a, b, c, ..., n are positive integers (dimensions). Array types of up to 32 dimensions are supported.

Compounds

A compound type is specified as a comma separated list of field name and type pairs Name1,Type1,Name2,Type2,...,NameN,TypeN where Name is an ASCII string and Type is a scalar type name.

If Name contains a comma, it must be escaped with a backslash \, e.g., City\, State.