[R-SIG-Mac] [External] Rmpfr on M1 Mac cause 'illegal trap'

Richard M. Heiberger rmh @end|ng |rom temp|e@edu
Mon Feb 22 19:46:28 CET 2021

I confirm the error on Mac M1
R version 4.0.4 RC (2021-02-12 r79998) -- "Lost Library Book"

I also ran it on an intel Mac with R 4.0.3
and it worked correctly there.

From: R-SIG-Mac <r-sig-mac-bounces using r-project.org> on behalf of Zhang, Jialin via R-SIG-Mac <r-sig-mac using r-project.org>
Sent: Monday, February 22, 2021 1:36 PM
To: r-sig-mac using r-project.org
Subject: [External] [R-SIG-Mac] Rmpfr on M1 Mac cause 'illegal trap'


First time sending an email to this list. Please correct me if I�m doing anything wrong. Thank you!

I am reporting an error when using Rmpfr::mpfr on an M1 MacBook Air. Codes below:

> library(Rmpfr)
> a <- mpfr(1:10, precBits=100)

*** caught illegal operation ***
address 0x10daa2bfb, cause 'illegal trap'

1: mpfr.default(1:10, precBits = 100)
2: mpfr(1:10, precBits = 100)

Possible actions:
1: abort (with core dump, if enabled)
2: normal R exit
3: exit R without saving workspace
4: exit R saving workspace

> sessionInfo()
R version 4.0.4 (2021-02-15)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 10.16

Matrix products: default
BLAS:   /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRblas.dylib
LAPACK: /Library/Frameworks/R.framework/Versions/4.0/Resources/lib/libRlapack.dylib

[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] Rmpfr_0.8-2 gmp_0.6-2

loaded via a namespace (and not attached):
[1] compiler_4.0.4

The issue was first published on https://stackoverflow.com/questions/66089887/mpfr-always-crash-r-studio/66321334#66321334. Please let me know if any more info is needed. Thanks!



Jialin Zhang (JZ), Assistant Professor of Statistics
Department of Mathematics and Statistics
Mississippi State University
tel: (662) 325-7137; email: jzhang using math.msstate.edu<mailto:jzhang using math.msstate.edu>

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