R Under development (unstable) (2025-11-15 r89024 ucrt) -- "Unsuffered Consequences"
Copyright (C) 2025 The R Foundation for Statistical Computing
Platform: x86_64-w64-mingw32/x64

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> ## This file is part of SimInf, a framework for stochastic
> ## disease spread simulations.
> ##
> ## Copyright (C) 2015 -- 2025 Stefan Widgren
> ##
> ## SimInf is free software: you can redistribute it and/or modify
> ## it under the terms of the GNU General Public License as published by
> ## the Free Software Foundation, either version 3 of the License, or
> ## (at your option) any later version.
> ##
> ## SimInf is distributed in the hope that it will be useful,
> ## but WITHOUT ANY WARRANTY; without even the implied warranty of
> ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> ## GNU General Public License for more details.
> ##
> ## You should have received a copy of the GNU General Public License
> ## along with this program.  If not, see <https://www.gnu.org/licenses/>.
> 
> library(SimInf)
> 
> ## Specify the number of threads to use.
> set_num_threads(1)
> 
> ## For debugging
> sessionInfo()
R Under development (unstable) (2025-11-15 r89024 ucrt)
Platform: x86_64-w64-mingw32/x64
Running under: Windows Server 2022 x64 (build 20348)

Matrix products: default
  LAPACK version 3.12.1

locale:
[1] LC_COLLATE=C                 LC_CTYPE=German_Germany.utf8
[3] LC_MONETARY=C                LC_NUMERIC=C                
[5] LC_TIME=C                   

time zone: Europe/Berlin
tzcode source: internal

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base     

other attached packages:
[1] SimInf_10.1.0

loaded via a namespace (and not attached):
[1] MASS_7.3-65    compiler_4.6.0 Matrix_1.7-4   tools_4.6.0    grid_4.6.0    
[6] digest_0.6.38  lattice_0.22-7
> 
> ## Define a tolerance
> tol <- 1e-8
> 
> stopifnot(identical(lambertW0(c(NA_real_, Inf, -Inf, NaN)),
+                     c(NA_real_, Inf, NaN, NaN)))
> 
> stopifnot(all(abs(lambertW0(1) - 0.5671433) < tol))
> 
> proc.time()
   user  system elapsed 
   1.46    0.18    1.64