INF and NAN values

• Example

SP4CEBAR 2023-05-12 17:28 (Edited)

These values are some extra tools to your NX toolbox.

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Definitions

• INF = 0^(-1)
• NAN = -(-1)^0.5
• NAN = -(INF-INF)
• -INF = -INF
• -NAN = -NAN

Properties

• These values can be assigned to variables
• INF can be detected in if statements
• most calculations with NAN or INF become NAN or INF
• print NAN = NAN returns 0 which is false, making NAN hardly detectable
  • the same is true for negative NAN, this is also hardly detectable
• print INF = INF returns -1 which is true, making inf detectable
  • the same is true for negative NAN, this is also detectable
• if NAN then print "true" else print "false" allows distinguishing zero (false) from NAN (true)

Future Research

• "UNDEFINED" and "NIL" may also be possible to get

SP4CEBAR 2023-05-12 18:51

INF is very useful if you need the biggest number available