function min does not return correct result if .Machine$integer.max is involved (PR#8731)
schlather at hsu-hh.de writes:
Full_Name: Martin Schlather Version: 2.2.0 and alpha 2.3.0 (06/3/29) OS: Linux (x86_64 and Intel) Submission from: (NULL) (139.11.183.106)
min(.Machine$integer.max, 10^20)
[1] 1e+20
min(as.integer(.Machine$integer.max), 10^20)
[1] 1e+20 but
min(.Machine$integer.max + 0, 10^20)
[1] 2147483647
min(as.integer(.Machine$integer.max - 1), 10^20)
[1] 2147483646
min(as.double(.Machine$integer.max), 10^20)
[1] 2147483647
I have a vague recollection that we might have used .Machine$integer.max to represent "integer infinity" at some point. If so, then the results make some sense, but we don't seem to have similar conventions in any other places that I can think of (i.e. as.integer(Inf) is NA, etc.)
O__ ---- Peter Dalgaard ?ster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907