GPS Calculations for Arduino ( distance, bearing and destination point )

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i have been frustrated missing double (64bit) type in arduino world , hence problem calculating gps distance, bearing , destination point.

the following library uses float64 & math64 libs , adds fast , fast implementations of trigonometric functions , fast , regular versions of gps gps distance, bearing , destination point. 

feel free use - , in improving welcome !


https://github.com/vtomanov/gps64



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