FUNCTION xpfIsNAN (realValue : REAL)
isNAN : BOOLEAN;
Function to test if the specified REAL value is "not a number" (NAN) The function returns TRUE if the actual REAL value is NAN, else FALSE is returned.
Arguments
REAL
realValue
The value of a real number
Return Value
BOOLEAN
isNAN
TRUE if the given real value does not represent a real number
Options
Example
<example missing>
See also
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