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Fn.ReduceModPi

Reduces a given value modulo 2*pi to the interval between -pi and pi.
Syntax
          
Fn.ReduceModPi(Val:RAT,Acc:INT):RAT

          

Description
This function reduces Val modulo 2*pi to the interval (-pi, pi) thereby guaranteeing correctness of the result up to the desired accuracy Acc.

Example
Dec(Fn.ReduceModPi(10^20, 10), 20) ;

[-0.7013521577, 15915494309189533577]
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See Also