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(size_t)0x81000000
double
RawVector
sizeof.long
sizeof.pointer
Related: #459, #460, CC @kendonB.
.Machine$sizeof.long #> [1] 4 .Machine$sizeof.pointer #> [1] 8 f1 <- Rcpp::cppFunction("double f1() { R_xlen_t x = 0x81000000; return x; }") f2 <- Rcpp::cppFunction("double f1() { size_t x = 0x81000000; return x; }") f3 <- Rcpp::cppFunction("RawVector f3() { R_xlen_t x = 0x81000000; return RawVector(x); }") f4 <- Rcpp::cppFunction("RawVector f4() { size_t x = 0x81000000; return RawVector(x); }") f1() #> [1] 2164260864 f2() #> [1] 2164260864 f3() #> Error in f3(): negative length vectors are not allowed f4() #> Error in f4(): negative length vectors are not allowed
devtools::session_info() #> Session info ------------------------------------------------------------- #> setting value #> version R version 3.4.3 (2017-11-30) #> system x86_64, mingw32 #> ui RTerm #> language (EN) #> collate English_United States.1252 #> tz Europe/Berlin #> date 2018-01-18 #> Packages ----------------------------------------------------------------- #> package * version date source #> backports 1.1.2 2017-12-13 CRAN (R 3.4.3) #> base * 3.4.3 2017-12-06 local #> compiler 3.4.3 2017-12-06 local #> datasets * 3.4.3 2017-12-06 local #> devtools 1.13.4 2017-11-09 CRAN (R 3.4.2) #> digest 0.6.13 2017-12-14 CRAN (R 3.4.3) #> evaluate 0.10.1 2017-06-24 CRAN (R 3.4.0) #> graphics * 3.4.3 2017-12-06 local #> grDevices * 3.4.3 2017-12-06 local #> htmltools 0.3.6 2017-04-28 CRAN (R 3.4.0) #> knitr 1.17 2017-08-10 CRAN (R 3.4.1) #> magrittr 1.5 2014-11-22 CRAN (R 3.3.2) #> memoise 1.1.0 2017-04-21 CRAN (R 3.4.0) #> methods * 3.4.3 2017-12-06 local #> Rcpp 0.12.14 2017-11-23 CRAN (R 3.4.2) #> rmarkdown 1.8 2017-11-17 CRAN (R 3.4.2) #> rprojroot 1.2-11 2017-12-18 local #> stats * 3.4.3 2017-12-06 local #> stringi 1.1.6 2017-11-17 CRAN (R 3.4.2) #> stringr 1.2.0 2017-02-18 CRAN (R 3.4.0) #> tools 3.4.3 2017-12-06 local #> utils * 3.4.3 2017-12-06 local #> withr 2.1.0 2017-11-01 CRAN (R 3.4.2) #> yaml 2.1.16 2017-12-12 CRAN (R 3.4.3)
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(size_t)0x81000000
look correct when cast todouble
RawVector
of that size, presumably because it's coerced to a 32-bit integersizeof.long
andsizeof.pointer
Related: #459, #460, CC @kendonB.
Session info
The text was updated successfully, but these errors were encountered: