The only observation I can make is that the change to round() was made in r77727 whereas your R-devel appears to be r77715 (so would not exhibit the fixed behaviour). My guess is that there was a perpetual installation failure after r77715 but that the test folder was still retrieved and used.
On Sat, 8 Feb 2020 at 19:27, Berwin A Turlach <berwin.turl...@gmail.com> wrote: > > G'day all, > > I have daily scripts running to install the patched version of the > current R version and the development version of R on my linux box > (Ubuntu 18.04.4 LTS). > > The last development version that was successfully compiled and > installed was "R Under development (unstable) (2020-01-25 r77715)" on > 27 January. Since then the script always fails as a regression test > seems to fail. Specifically, in the tests/ subdirectory of my build > directory I have a file reg-tests-1d.Rout.fail which ends with: > > > ## more than half of the above were rounded *down* in R <= 3.6.x > > ## Some "wrong" test cases from CRAN packages (partly relying on wrong R <= > > 3.6.x behavior) > > stopifnot(exprs = { > + all.equal(round(10.7775, digits=3), 10.778, tolerance = 1e-12) # even > tol=0, was 10.777 > + all.equal(round(12345 / 1000, 2), 12.35 , tolerance = 1e-12) # even > tol=0, was 12.34 in Rd > + all.equal(round(9.18665, 4), 9.1866, tolerance = 1e-12) # even > tol=0, was 9.1867 > + }) > Error: round(10.7775, digits = 3) and 10.778 are not equal: > Mean relative difference: 9.27902e-05 > Execution halted > > This happens while the 32bit architecture is installed, which is a bit > surprising as I get the following results for the last installed > version of R's development version: > > R Under development (unstable) (2020-01-25 r77715) -- "Unsuffered > Consequences" > Copyright (C) 2020 The R Foundation for Statistical Computing > Platform: x86_64-pc-linux-gnu/32 (32-bit) > [...] > > round(10.7775, digits=3) > [1] 10.778 > > and > > R Under development (unstable) (2020-01-25 r77715) -- "Unsuffered > Consequences" > Copyright (C) 2020 The R Foundation for Statistical Computing > Platform: x86_64-pc-linux-gnu/64 (64-bit) > [...] > > round(10.7775, digits=3) > [1] 10.778 > > > On the other hand, the R 3.6.2 version, that I mainly use at the moment, > gives the following results: > > R version 3.6.2 (2019-12-12) -- "Dark and Stormy Night" > Copyright (C) 2019 The R Foundation for Statistical Computing > Platform: x86_64-pc-linux-gnu/32 (32-bit) > [...] > > round(10.7775, digits=3) > [1] 10.777 > > and > > R version 3.6.2 (2019-12-12) -- "Dark and Stormy Night" > Copyright (C) 2019 The R Foundation for Statistical Computing > Platform: x86_64-pc-linux-gnu/64 (64-bit) > [...] > > round(10.7775, digits=3) > [1] 10.777 > > > So it seems as if the behaviour of round() has changed between R 3.6.2 > and the development version. But I do not understand why this test all > of a sudden failed if the results from the last successfully installed > development version of R suggest that the test should be passed. > > Thanks in advance for any insight and tips. > > Cheers, > > Berwin > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel