One more thing:
After compiling Rmpfr from source,
things worked.
> On 29.11.2021, at 00:30, Kevin Ushey wrote:
>
> I can reproduce something similar on my M1 macOS machine, when using the
> x86_64 build of R. I see:
>
>> x1 <- mpfr(-50, 200)
> *** caught illegal operation ***
> address 0x10c5f623b, cause 'illegal opcode'
>
> This is with the binary of Rmpfr 0.8-7 as from CRAN, with R 4.1.2. Here's
> what LLDB says:
>
> * thread #1, queue = 'com.apple.main-thread', stop reason =
> EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
>frame #0: 0x00010f69c23b Rmpfr.so`mpfr_set_d + 43
> Rmpfr.so`mpfr_set_d:
> -> 0x10f69c23b <+43>: vucomisd %xmm0, %xmm0
>0x10f69c23f <+47>: jp 0x10f69c39a ; <+394>
>0x10f69c245 <+53>: vpxor %xmm1, %xmm1, %xmm1
>0x10f69c249 <+57>: vucomisd %xmm1, %xmm0
>
> And the relevant part of the stack trace:
>
> (lldb) bt
> * thread #1, queue = 'com.apple.main-thread', stop reason =
> EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
> * frame #0: 0x00010f69c23b Rmpfr.so`mpfr_set_d + 43
>frame #1: 0x00010f6809d3 Rmpfr.so`d2mpfr1_(x=-50,
> i_prec=, rnd=MPFR_RNDN) at convert.c:129:5 [opt]
>frame #2: 0x00010f680eb0 Rmpfr.so`d2mpfr1_list(x=,
> prec=, rnd_mode=) at convert.c:186:29 [opt]
>
> At least for my case, my guess is that the 'vucomisd' instruction isn't
> available via Apple's Rosetta emulation. It's possible users with older
> macOS machines not supporting AVX instructions could see this, as well?
>
> Best,
> Kevin
>
> On Sun, Nov 28, 2021 at 9:54 AM Richard M. Heiberger wrote:
>
>> Works normally in R-4.1.2 with Rmpfr_0.8-7 on Macintosh
>> aarch64-apple-darwin20
>> I am running inside Emacs using ESS
>>
>>> packageVersion("Rmpfr")
>> [1] ‘0.8.7’
>>> library(Rmpfr)
>> Loading required package: gmp
>>
>> Attaching package: ‘gmp’
>>
>> The following objects are masked from ‘package:base’:
>>
>>%*%, apply, crossprod, matrix, tcrossprod
>>
>> C code of R package 'Rmpfr': GMP using 64 bits per limb
>>
>>
>> Attaching package: ‘Rmpfr’
>>
>> The following object is masked from ‘package:gmp’:
>>
>>outer
>>
>> The following objects are masked from ‘package:stats’:
>>
>>dbinom, dgamma, dnbinom, dnorm, dpois, dt, pnorm
>>
>> The following objects are masked from ‘package:base’:
>>
>>cbind, pmax, pmin, rbind
>>
>>> x1 <- mpfr(-50, 200)
>>> x1
>> 1 'mpfr' number of precision 200 bits
>> [1] -50
>>> x2 <- mpfr(-50.1, 200)
>>> x2
>> 1 'mpfr' number of precision 200 bits
>> [1] -50.10142108547152020037174224853515625
>>> version
>> _
>> platform aarch64-apple-darwin20
>> arch aarch64
>> os darwin20
>> system aarch64, darwin20
>> status
>> major 4
>> minor 1.2
>> year 2021
>> month 11
>> day01
>> svn rev81115
>> language R
>> version.string R version 4.1.2 (2021-11-01)
>> nickname Bird Hippie
>>>
>>
>>> On Nov 27, 2021, at 15:46, Dev Chakraborty wrote:
>>>
>>> I used package Rmpfr ca. 2017 and it worked fine. The latest version
>>> (0.8-7) causes R (running under RStudio) to crash. A simple example is:
>>>
>>> library(Rmpfr)
>>> x1 <- mpfr(-50, 200)
>>> x2 <- mpfr(-50.1, 200)
>>>
>>> Which gives the message:
>>>
>>> R Session Aborted
>>> R encountered a fatal error
>>> The session was terminated
>>> Start New Session
>>>
>>> I am using R version 4.1.1 on a Mac running MacOS 12.0.1. and an older
>> iMac
>>> running 10.15.7. The problem occurs with both machines.
>>>
>>> When I install from the CRAN archive file Rmpfr_0.6-1.tar.gz (the
>> version
>>> of the package around 2017, corresponding to the last time I used it) the
>>> problem goes away.
>>>
>>> [[alternative HTML version deleted]]
>>>
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