Function: qfbpowraw
Section: number_theoretical
C-Name: qfbpowraw
Prototype: GL
Help: qfbpowraw(x,n): n-th power without reduction of the binary quadratic
 form x.
Doc: $n$-th power of the binary quadratic form
 $x$, computed without doing any \idx{reduction} (i.e.~using \kbd{qfbcompraw}).
 Here $n$ must be nonnegative and $n<2^{31}$.
