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Getting incorrect ATAN2 result with DsPic

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jmarkwolf

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I'm employing a Sin, Cos, Atan2 construct to "average" a group of phase angle integers.

The equation works in Excel, but is generating a grossly incorrect result in the DsPic C30 compiler.

Tried using the "Q16" tricks from Microchip.

I'm stuck, Anybody have an example how to do this?
 

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