isnan — determine whether the parameter is a number
genBType isnan(
genType x)
;
genBType isnan(
genDType x)
;
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.
Function | Version 1.10 | Version 1.20 | Version 1.30 | Version 1.40 | Version 1.50 | Version 3.30 | Version 4.00 | Version 4.10 | Version 4.20 | Version 4.30 |
---|---|---|---|---|---|---|---|---|---|---|
isnan (genType) | - | - | Y | Y | Y | Y | Y | Y | Y | Y |
isnan (genDType) | - | - | - | - | - | - | Y | Y | Y | Y |
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