Name

isnan — determine whether the parameter is a number

Declaration

genBType isnan(genType x);
 

Parameters

x

Specifies the value to test for NaN.

Description

For each element element i of the result, isnan returns true if x[i] is posititve or negative floating point NaN (Not a Number) and false otherwise. NaNs may not be supported by the implementation, in which case isnan returns false.

Version Support

OpenGL ES Shading Language Version
Function Name 1.00 3.00
isnan (genType)-✔

See Also

isinf

Copyright

Copyright © 2011-2013 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.