[Rcpp-devel] trans() changed in latest RcppArmadillo

Dirk Eddelbuettel edd at debian.org
Mon May 30 13:36:20 CEST 2011

On 29 May 2011 at 21:26, Savitsky, Terrance wrote:
| Hello, After upgrading to the 0.2.21 release of RcppArmadillo, my previously
| working code (across many functions) ceased working (on a Windows XP
| installation).  I re-installed the previous version (0.2.20) from CRAN (via a
| server location not yet updated to 0.2.21); didn?t fix it.   The timing may be
| a coincidence, though reading the post on trans() encourages me to make this
| post.  While I use ?trans? across my functions, it is not applied on
| complex-valued matrices; only real-valued.  So the prior post wouldn?t explain
| my issue.

As should be clear from the NEWS file I posted, 0.2.20 and 0.2.21 are both
using pre-releases of Armadillo 2.0.0 --- so you get the 'new' trans() and
other behaviour in both cases. Conrad's 1.99.2 in 0.2.20 brought a lot of

Hence you want to download 0.2.19 which uses Armadillo 1.2.0.  

Actual bug reports with replicable code would help us address any underlying


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                      -- #11 at http://www.gaussfacts.com

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