[backport] Fix R CRAN failures. (#7404) (#7451)

* Remove hist builder dtor. * Initialize values. * Tolerance. * Remove the use of nthread in col maker.
2021-11-19 21:40:04 +08:00
parent 9bbd00a49f
commit 0f9ffcdc16
6 changed files with 20 additions and 23 deletions
--- a/R-package/tests/testthat/test_helpers.R
+++ b/R-package/tests/testthat/test_helpers.R
@@ -228,7 +228,7 @@ if (grepl('Windows', Sys.info()[['sysname']]) ||
      X <- 10^runif(100, -20, 20)
      if (capabilities('long.double')) {
          X2X <- as.numeric(format(X, digits = 17))
-          expect_identical(X, X2X)
+          expect_equal(X, X2X, tolerance = float_tolerance)
      }
      # retrieved attributes to be the same as written
      for (x in X) {