numeric(prec, x)
numeric x
Converts a $p$-adic number to a floating-point real number by first lifting to QQ.
i1 : numeric QQ_7 5 o1 = 5 o1 : RR (of precision 53)
i2 : numeric(100, QQ_7 5) o2 = 5 o2 : RR (of precision 100)
The source of this document is in Padic.m2:1083:0.