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template<typename FunctorType, typename Scalar>
int ei_lmstr1(
const FunctorType &Functor,
Matrix< Scalar, Dynamic, 1 > &x,
Matrix< Scalar, Dynamic, 1 > &fvec,
VectorXi &ipvt,
Scalar tol = ei_sqrt(epsilon<Scalar>())
)
{
const int n = x.size(), m=fvec.size();
int info, nfev=0, njev=0;
Matrix< Scalar, Dynamic, Dynamic > fjac(m, n);
Matrix< Scalar, Dynamic, 1> diag, qtf;
/* check the input parameters for errors. */
if (n <= 0 || m < n || tol < 0.) {
printf("ei_lmstr1 bad args : m,n,tol,...");
return 0;
}
ipvt.resize(n);
info = ei_lmstr(
Functor,
x, fvec,
nfev, njev,
fjac, ipvt, qtf, diag,
1,
100.,
(n+1)*100,
tol, tol, Scalar(0.)
);
return (info==8)?4:info;
}
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