corrector1(x, y, family, weight, offset, active, tmpa, force.active, lambda, lambda2, b0, a0, bshoot.threshold, relax.lambda, trace, function.precision, no.iter = FALSE, eps = .Machine$double.eps)
predictor1(b, step)
step.length(corrector, lambda2, min.lambda, max.arclength, frac.arclength, add.newvars, backshoot, h0=NULL, eps=.Machine$double.eps)