Function: lfunqf
Section: l_functions
C-Name: lfunqf
Prototype: Gp
Help: lfunqf(Q): returns the Ldata structure attached to the
theta function of the lattice attached to the definite positive quadratic
form Q.
Doc: returns the \kbd{Ldata} structure attached to the $\Theta$ function
of the lattice attached to the definite positive quadratic form $Q$.
\bprog
? L = lfunqf(matid(2));
? lfunqf(L,2)
%2 = 6.0268120396919401235462601927282855839
? lfun(x^2+1,2)*4
%3 = 6.0268120396919401235462601927282855839
@eprog