log1mexp {DPQ} | R Documentation |
Compute f(a) = log(1 - exp(-a)) quickly and numerically accurately.
log1mexp(x)
x |
numeric vector of positive values. |
Martin Maechler
Martin Mächler (2012). Accurately Computing \log(1-\exp(-|a|)); https://CRAN.R-project.org/package=Rmpfr/vignettes/log1mexp-note.pdf.
The log1mexp()
function in CRAN package copula,
and the corresponding vignette (in the ‘References’).