yes I think it is caused by the absence of matther in glibc. To compile R with icc I disabled matther (with gcc matherr is self disabled). Is it safe to keep it disabled matherr?
——————————————————————————————————————— Giuseppe Calò Fondazione CMCC Centro Euro-Mediterraneo sui Cambiamenti Climatici presso Complesso Ecotekne Università del Salento - Strada Prov.le Lecce - Monteroni 73100 Lecce IT http://www.cmcc.it https://goo.gl/maps/wtahPDbNVen mobile: (+39) 3208190020 email: giuseppe.c...@cmcc.it Le informazioni contenute in questo messaggio di posta elettronica e negli allegati se presenti sono riservate e confidenziali: ne è vietata la diffusione in qualsiasi modo o forma (GDPR 2016/679). Qualora lei non fosse il destinatario del messaggio, la invito a non diffonderlo e ad eliminarlo dandone gentilmente comunicazione al mittente. The information included in this e-mail and any attachments are confidential and may also be privileged (GDPR 2016/679). If you are not the correct recipient, you are kindly requested to notify the sender immediately, to cancel it and not disclose the contents to any other person. > On 22 Jun 2023, at 16:23, Martin Maechler <maech...@stat.math.ethz.ch> wrote: > > Thank you, Giuseppe, > > so indeed using the same restriction has we had on 32-bit > platforms seems sufficient here. > > Your .Machine() is 100% the same as mine (Linux Fedora 36; using > GCC, R's BLAS and OS-provided Lapack), so that cannot help to > detect that your R is set up differently than mainline versions > of R. > > My guess would be that this difference is not because of the use > if icc, but only because of the libmath-part (not the > BLAS/Lapack part) of MKL ... but of course that's only a guess. > > Would anyone know how to reliably detect from within R that R is > linked against an MKL math library? > .. if not generally, may be in the subset of cases where > > .Platform$OS.type == "unix" && > Sys.info <http://sys.info/>()[["sysname"]] == "Linux" > > ?? > > > Of course, we could fudge our checks and look for 'mkl' in > > extSoftVersion()["BLAS"] > > and/or > > La_library() > > but I said above that it's much more probable that the > "libmath"-part of MKL is at stake here, not the BLAS or Lapack > one. [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
