R Under development (unstable) (2024-06-27 r86847 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> Sys.setenv("R_TESTS" = "")
> library(testthat)
> library(rsparse)
Loading required package: Matrix
> library(data.table)
> library(Matrix)
> options(rsparse_omp_threads = 1L)
> logger = lgr::get_logger('rsparse')
> logger$set_threshold('warn')
> data("movielens100k")
> test_check("rsparse")
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 470 ]
> 
> movielens100k = rbind(
+   movielens100k,
+   as(matrix(0, nrow = 2, ncol = ncol(movielens100k)), 'sparseMatrix'),
+   movielens100k[1:2, ]
+ )
> 
> proc.time()
   user  system elapsed 
  25.98    0.84   26.92