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numtype

numtype (num)​

The numtype function returns a number which indicates what kind of value num contains.

Details​

If num is a real number, numtype returns a real number whose value is:

0: num contains a normal number.

1: num contains +/-INF.

2: num contains NaN.

If num is a complex number, numtype returns a complex number in which the real part is the number type of the real part of num and the imaginary part is the number type of the imaginary part of num .