Sys.setenv( OMP_NUM_THREADS = "1", OMP_THREAD_LIMIT = "1", OPENBLAS_NUM_THREADS = "1", MKL_NUM_THREADS = "1", BLIS_NUM_THREADS = "1", VECLIB_MAXIMUM_THREADS = "1", NUMEXPR_NUM_THREADS = "1", TF_NUM_INTRAOP_THREADS = "1", TF_NUM_INTEROP_THREADS = "1" ) if (requireNamespace("data.table", quietly = TRUE)) { data.table::setDTthreads(1L) } library(testthat) library(rMIDAS) test_check("rMIDAS")