Rounding errors

[LilithHafner]

(@DDS) pkg> up
    Updating registry at `~/.julia/registries/General.toml`
    Updating git-repo `https://github.com/Tortar/DynamicSampling.jl`
  No Changes to `~/.julia/environments/DDS/Project.toml`
  No Changes to `~/.julia/environments/DDS/Manifest.toml`

(@DDS) pkg> st
Status `~/.julia/environments/DDS/Project.toml`
  [2083aeaf] DynamicSampling v0.4.7 `https://github.com/Tortar/DynamicSampling.jl#main`

julia> using DynamicSampling

julia> ds = DynamicSampler()
DynamicSampler(Tuple{Int64, Float64}[])

julia> push!(ds, 1, .9)
DynamicSampler([(1, 0.9)])

julia> push!(ds, 2, 1.0)
DynamicSampler([(1, 0.9), (2, 1.0)])

julia> push!(ds, 3, 1e100)
DynamicSampler([(1, 0.9), (2, 1.0), (3, 1.0e100)])

julia> delete!(ds, 3)
DynamicSampler([(1, 0.9), (2, 1.0)])

julia> unique(rand(ds) for _ in 1:100)
1-element Vector{Int64}:
 2

In a hundred samples, we should certainly (p > 1-10^-22) see at least one 1. The issue is in tracking total weight:

julia> ds.info.totweight, ds.info.toterror
(0.0, 0.0)