Scroll to navigation



Reserved_Data_Types - Built-in reserved Data Types.


The data type names described in the table below are reserved and cannot be used by applications as user-defined type names. The vector data type names defined in vectorDataTypes(3clc), 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 16-bit float vector.
quad, quadn A 128-bit floating-point number and vectors.
complex half, complex halfn, imaginary half, imaginary halfn Complex and imaginary 16-bit floating-point scalar and vector.

complex float, complex floatn, imaginary float, imaginary floatn Complex and imaginary 32-bit floating-point scalar and vector.

complex double, complex doublen, imaginary double, imaginary doublen Complex and imaginary 64-bit floating-point scalar and vector.

complex quad, complex quadn, imaginary quad, imaginary quadn Complex and imaginary 128-bit floating-point scalar and vector.

floatnxm An n x m matrix of single precision floating-point values stored in column-major order.
doublenxm An n x m matrix of double precision floating-point values stored in column-major order.
long double, long doublen A floating-point 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 128-bit signed integer scalar and vector.
unsigned long long, ulong long, ulong longn A 128-bit unsigned integer scalar and vector.


OpenCL Specification[1]


macroLimits(3clc), scalarDataTypes(3clc), vectorDataTypes(3clc), otherDataTypes(3clc), abstractDataTypes(3clc), enums(3clc),


The Khronos Group


Copyright © 2007-2011 The Khronos Group Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and/or associated documentation files (the "Materials"), to deal in the Materials without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Materials, and to permit persons to whom the Materials are furnished to do so, subject to the condition that this copyright notice and permission notice shall be included in all copies or substantial portions of the Materials.


OpenCL Specification
page 200, section 6.1.4 - Reserved Data Types
01/14/2021 The Khronos Group