Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a good balance between speed and ease of use with a syntax deliberately close to a Matlab.
Changes in this release are as follows:
Changes in RcppArmadillo version 0.6.700.3.0 (2016-04-05)
Upgraded to Armadillo 6.700.3 (Catabolic Amalgamator Deluxe)
logmat()for calcuating the matrix logarithm
regspace()for generating vectors with regularly spaced elements
logspace()for generating vectors with logarithmically spaced elements
approx_equal()for determining approximate equality
trapz()for numerical integration
.load()with hdf5_binary_trans file type, to save/load data with columns transposed to rows
Courtesy of CRANberries, there is also a diffstat report for this 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.