RcppArmadillo 0.4.600.0

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Conrad produced another minor release 4.600 of Armadillo. As before, I had created a GitHub-only pre-release(s) of his pre-release(s), and tested a pre-release as well as the actual release against the now over one hundred CRAN dependents of our RcppArmadillo package. The tests passed fine as usual with less than a handful of checks not passing, all for known cases — and results are as always in the rcpp-logs repository.

Changes are summarized below based on the NEWS.Rd file.

Changes in RcppArmadillo version 0.4.600.0 (2014-12-27)

  • Upgraded to Armadillo release Version 4.600 ("Off The Reservation")

    • added .head() and .tail() to submatrix views

    • faster matrix transposes within compound expressions

    • faster accu() and norm() when compiling with -O3 -ffast-math -march=native (gcc and clang)

    • workaround for a bug in GCC 4.4

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.

This post by Dirk Eddelbuettel originated on his Thinking inside the box blog. Please report excessive re-aggregation in third-party for-profit settings.

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