Nothing
default_distfreereg_tol <- function(){
list(matsqrt_tol = -(.Machine[["double.eps"]])^0.25,
solve_tol = .Machine[["double.eps"]],
qr_tol = sqrt(.Machine[["double.eps"]]),
orth_tol = sqrt(.Machine[["double.eps"]]),
trans_tol = sqrt(.Machine[["double.eps"]]))
}
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