Function: exp
Section: transcendental
C-Name: gexp
Prototype: Gp
Help: exp(x): exponential of x.
Description:
 (real):real         mpexp($1)
 (mp):real:prec      gexp($1, $prec)
 (gen):gen:prec      gexp($1, $prec)
Doc: exponential of $x$.
 $p$-adic arguments with positive valuation are accepted.
Variant: For a \typ{PADIC} $x$, the function
 \fun{GEN}{Qp_exp}{GEN x} is also available.

