RcppArmadillo 0.3.820

(This article was first published on Thinking inside the box , and kindly contributed to R-bloggers)

Conrad rolled up a new Armadillo
release 3.820 (following two minor fix release in the 0.3.810 series of which
we packaged the one that was relevant for us). This new version is now out in a release 0.3.820 of
which is already on CRAN and in

The summary of the main changes follows:

Changes in RcppArmadillo version 0.3.820 (2013-05-12)

  • Upgraded to Armadillo release Version 3.820 (Mt Cootha)

    • faster as_scalar() for compound expressions

    • faster transpose of small vectors

    • faster matrix-vector product for small vectors

    • faster multiplication of small fixed size matrices

Courtesy of CRANberries, there
is also a diffstat report for the
most recent release
As always, more detailed information is on the RcppArmadillo page.
Questions, comments etc should go to the
rcpp-devel mailing list
off the R-Forge page.

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