search for: r77719

...each step. The solution: to get the same results on 32-bit as on 64-bit, you need to build R with these extra gcc flags: -mfpmath=sse -msse2. As explained in https://gcc.gnu.org/onlinedocs/gcc-8.3.0/gcc/x86-Options.html#x86-Options the -mfpmath=sse is the default for x86-64 but not for i686. As of r77719 we have made sse the default on Windows and now we get consistent results on 32-bit and 64-bit, including the round() edge cases. I think the intention was to add something similar in R's autoconf script to enable sse on 32-bit unix systems, but seemingly this hasn't happened. For now I th...

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.