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GFK-0467K Appendix E Using Floating-Point Numbers E-7
E
of this feature of propagating NaNs through functions, you can identify the function where the NaN
originated.
Note
For NaN, the ok output is OFF (not energized).
The following table explains when power is or is not passed when dealing with numbers viewed as
or equal to infinity. As shown previously, outputs that exceed the positive or negative limits are
viewed as POS_INF or NEG_INF respectively.
Operation Input 1 Input 2 Output Powerflow
All Number Number Positive or
Negative Infinity
No
All Except
Division
Infinity Number Infinity Yes
All Number Infinity Infinity Yes
Division Infinity Number Infinity No
All Number Number NaN No
General Case of Power Flow for Floating-Point Operations