isequal(3clc) 
Componentwise compare of
x
==
y.

isnotequal(3clc) 
Componentwise compare of
x
!=
y.

isgreater(3clc) 
Componentwise compare of
x
>
y.

isgreaterequal(3clc) 
Componentwise compare of
x
>=
y.

isless(3clc) 
Componentwise compare of
x
<
y.

islessequal(3clc) 
Componentwise compare of
x
<=
y.

islessgreater(3clc) 
Componentwise compare of (x
<
y)  (x
>
y).

isfinite(3clc) 
Test for finite value.

isinf(3clc) 
Test for positive or negative infinity.

isnan(3clc) 
Test for a NaN.

isnormal(3clc) 
Test for a normal value.

isordered(3clc) 
Test if arguments are ordered.

isunordered(3clc) 
Test if arguments are unordered.

signbit(3clc) 
Test for sign bit.

any(3clc) 
1 if MSB in any component of
x
is set; else 0.

any(3clc) 
1 if MSB in all components of
x
is set; else 0.

bitselect(3clc) 
Each bit of result is corresponding bit of
a
if corresponding bit of
c
is 0.

select(3clc) 
For each component of a vector type, result[i] = if MSB of
c[i] is set ?
b[i] :
a[i] For scalar type, result =
c
?
b
:
a.

DESCRIPTION
If an implementation extends this specification to support IEEE754 flags or exceptions, then all builtin relational functions shall proceed without raising the invalid floatingpoint exception when one or more of the operands are NaNs.
SPECIFICATION
m[blue]OpenCL Specificationm[][1]
AUTHORS
The Khronos Group
COPYRIGHT
Copyright © 20072011 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.
NOTES
 1.

OpenCL Specification
 page 264, section 6.12.6  Relational Functions