Overflow behavior about fhist.jl HOT 2 CLOSED

@inline function unsafe_push!(h::Hist1D{T,E}, val::Real, wgt::Real=1) where {T,E}
    r = @inbounds h.hist.edges[1]
    L = length(r) - 1
    binidx = _edge_binindex(r, val)
    if unsigned(binidx - 1) < L
        @inbounds h.hist.weights[binidx] += wgt
        @inbounds h.sumw2[binidx] += wgt^2
    end
    return nothing
end