Inverse cumulative distribution function for Gaussian

I want to use inverse function of the normal cumulative distribution function with mean 0 and varicance 1 in stan file.
How to wrtie in C++ ?

\Phi() = Phi()

\Phi()^{-1} =???

inv_Phi()

I appreciate !! I am not sure how and where I could get such information.

The index to the functions manual or

rstan::lookup("qnorm")
1 Like

I appreciate you for letting me know and also sorry for bothering you.