The data type names described in the table below are reserved and cannot be used
by applications as userdefined type names. The vector data type names defined in
Vector Data Types,
but where n
is any value other than 2, 3, 4, 8 and 16, are also reserved.
Type  Description 

booln 
A boolean vector. 
halfn 
A 16bit float vector. 
quad, quadn 
A 128bit floatingpoint number and vectors. 
complex half, 
Complex and imaginary 16bit floatingpoint scalar and vector. 
complex float, 
Complex and imaginary 32bit floatingpoint scalar and vector. 
complex double, 
Complex and imaginary 64bit floatingpoint scalar and vector. 
complex quad, 
Complex and imaginary 128bit floatingpoint scalar and vector. 
floatn xm

An n x m matrix of single precision floatingpoint values stored in columnmajor order. 
doublen xm 
An n x m matrix of double precision floatingpoint values stored in columnmajor order. 
long double, 
A floatingpoint scalar and vector type with at long doublen least as much precision and range as a double and no more precision and range than a quad. 
long long,
long longn

A 128bit signed integer scalar and vector. 
unsigned long long,
ulong long,
ulong longn

A 128bit unsigned integer scalar and vector. 
Macros and Limits, Scalar Data Types, Vector Data Types, Other Data Types, Abstract Data Types, Enumerated Data Types,