NAME

isnan - determine whether the parameter is a number

DECLARATION

genBType isnan(genType x);

genBType isnan(genDType x);

PARAMETERS

x

Specifies the value to test for NaN.

DESCRIPTION

For each element i of the result, isnan returns true if x[i] is posititve or negative floating point NaN (Not a Number) and false otherwise.

VERSION SUPPORT

OpenGL Shading Language Version

Function Name

1.10

1.20

1.30

1.40

1.50

3.30

4.00

4.10

4.20

4.30

4.40

4.50

isnan (genType)

-

✔

isnan (genDType)

-

✔

COPYRIGHT

Copyright © 2011-2014 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.