isSubnormal

Is number subnormal? (Also called "denormal".) Subnormals have a 0 exponent and a 0 most significant significand bit, but are non-zero.

  1. int isSubnormal(float f)
  2. int isSubnormal(double d)
  3. int isSubnormal(real x)
    int
    isSubnormal
    (
    real x
    )

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