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isnan

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 element i of the result, isinf 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) - - - - - -

See Also

isinf

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