* using log directory 'd:/Rcompile/CRANpkg/local/4.7/rotations.Rcheck'
* using R Under development (unstable) (2026-06-06 r90114 ucrt)
* using platform: x86_64-w64-mingw32
* R was compiled by
    gcc.exe (GCC) 14.3.0
    GNU Fortran (GCC) 14.3.0
* running under: Windows Server 2022 x64 (build 20348)
* using session charset: UTF-8
* current time: 2026-06-07 14:18:46 UTC
* checking for file 'rotations/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'rotations' version '1.6.6'
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'rotations' can be installed ... OK
* used C++ compiler: 'g++.exe (GCC) 14.3.0'
* checking installed package size ... INFO
  installed size is  6.5Mb
  sub-directories of 1Mb or more:
    R      1.6Mb
    data   2.7Mb
    libs   1.5Mb
* checking package directory ... OK
* checking 'build' directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... [2s] OK
* checking whether the package can be loaded with stated dependencies ... [1s] OK
* checking whether the package can be unloaded cleanly ... [2s] OK
* checking whether the namespace can be loaded with stated dependencies ... [2s] OK
* checking whether the namespace can be unloaded cleanly ... [2s] OK
* checking loading without being on the library search path ... [1s] OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [8s] OK
* checking Rd files ... [1s] OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking contents of 'data' directory ... OK
* checking data for non-ASCII characters ... [0s] OK
* checking LazyData ... OK
* checking data for ASCII and uncompressed saves ... OK
* checking line endings in C/C++/Fortran sources/headers ... OK
* checking line endings in Makefiles ... OK
* checking compilation flags in Makevars ... OK
* checking for GNU extensions in Makefiles ... OK
* checking for portable use of $(BLAS_LIBS) and $(LAPACK_LIBS) ... OK
* checking use of PKG_*FLAGS in Makefiles ... OK
* checking pragmas in C/C++ headers and code ... OK
* checking compiled code ... OK
* checking sizes of PDF files under 'inst/doc' ... OK
* checking installed files from 'inst/doc' ... OK
* checking files in 'vignettes' ... OK
* checking examples ... [2s] ERROR
Running examples in 'rotations-Ex.R' failed
The error most likely occurred in:

> ### Name: Q4
> ### Title: 'Q4' class for storing rotation data as quaternions
> ### Aliases: Q4 as.Q4 as.Q4.default as.Q4.SO3 as.Q4.Q4 as.Q4.data.frame
> ###   is.Q4 id.Q4
> ### Keywords: datasets
> 
> ### ** Examples
> 
> # Pull off subject 1's wrist measurements
> Subj1Wrist <- subset(drill, Subject == '1' & Joint == 'Wrist')
> 
>                                ## The measurements are in columns 5:8
> all(is.Q4(Subj1Wrist[,5:8]))   #TRUE, even though Qs is a data.frame, the rows satisfy the
[1] TRUE
>                                #conditions necessary to be quaternions BUT,
>                                #S3 methods (e.g. 'mean' or 'plot') for objects of class
>                                #'Q4' will not work until 'as.Q4' is used
> 
> Qs <- as.Q4(Subj1Wrist[,5:8])  #Coerce measurements into 'Q4' type using as.Q4.data.frame
> all(is.Q4(Qs))                 #TRUE
Error in x[i, ...] : subscript out of bounds
Calls: is.Q4 -> apply -> [ -> [.Q4
Execution halted
* checking for unstated dependencies in 'tests' ... OK
* checking tests ... [3s] ERROR
  Running 'test-all.R' [3s]
Running the tests in 'tests/test-all.R' failed.
Complete output:
  > library(testthat)
  > test_check("rotations")
  Loading required package: rotations
  Saving _problems/test_conversions-10.R
  [ FAIL 1 | WARN 2 | SKIP 0 | PASS 51 ]
  
  ══ Failed tests ════════════════════════════════════════════════════════════════
  ── Failure ('test_conversions.R:10:1'): (code run outside of `test_that()`) ────
  Expected `is.Q4(as.Q4(u, r))` to be TRUE.
  Differences:
  `actual`:   FALSE
  `expected`: TRUE 
  
  
  [ FAIL 1 | WARN 2 | SKIP 0 | PASS 51 ]
  Error:
  ! Test failures.
  Execution halted
* checking for unstated dependencies in vignettes ... OK
* checking package vignettes ... OK
* checking re-building of vignette outputs ... [50s] OK
* checking PDF version of manual ... [28s] OK
* checking HTML version of manual ... [12s] OK
* DONE
Status: 2 ERRORs