NEWS in package ‘RcppArmadillo’

Changes in version 0.3.2.4

• Upgraded to Armadillo release 3.2.4 * workaround for a regression (bug) in GCC 4.7.0 and 4.7.1

Changes in version 0.3.2.3

• Upgraded to Armadillo release 3.2.3 * minor correction for declaration of fixed size vectors and matrices
• Reverted three header files {Mat,Row,Col}_bones.hpp back to previous release due to compilation failures under g++-4.7
• Added new vignette 'RcppArmadillo-intro' based on a just-submitted introductory paper (by Eddelbuettel and Sanderson) about RcppArmadillo
• Change from release 3.2.2 which we skipped as it did not really affect builds under R: * minor fix for compiling without debugging enabled (aka release mode) * better detection of ATLAS during installation on Fedora and Red Hat systems
• Small enhancement to fastLm

Changes in version 0.3.2.0

• Upgraded to Armadillo release 3.2.0 "Creamfields" * faster eigen decomposition via "divide and conquer" algorithm * faster transpose of vectors and compound expressions * faster handling of diagonal views * faster handling of tiny fixed size vectors (≤ 4 elements) * added unique(), for finding unique elements of a matrix

Changes in version 0.3.1.94

• Upgraded to Armadillo release 3.1.94 "v3.2 beta 2" * added unique(), for finding unique elements of a matrix * faster eigen decomposition via "divide and conquer" algorithm * faster transpose of vectors and compound expressions * faster handling of tiny fixed size vectors (≤ 4 elements)

Changes in version 0.3.1.92

• Upgraded to Armadillo release 3.1.92 "v3.2 beta 2" * added unique(), for finding unique elements of a matrix * faster eigen decomposition via optional use of "divide and conquer" by eig_sym() * faster transpose of vectors and compound expressions

Changes in version 0.3.0.3

• Upgraded to Armadillo release 3.0.3 * fixes for inplace transpose of complex number matrices * fixes for complex number version of svd_econ() * fixes for potential aliasing issues with submatrix views
• New example script fastLm

Changes in version 0.3.0.2

• Upgraded to Armadillo release 3.0.2 * fixes for handling diagonal matrices
• Undefine NDEBUG if it has been set (as R does) as this prevents a number of useful debugging checks. Users can still define it or define ARMA_NO_DEBUG if they want a 'non-development' build

Changes in version 0.3.0.1

• Upgraded to Armadillo release 3.0.1 * fixes for compilation errors * fixes for potential aliasing issues

Changes in version 0.3.0

• Upgraded to Armadillo release 3.0.0 "Antarctic Chilli Ranch" * added non-contiguous submatrix views * added shorthand for inverse: .i() * added hist() and histc() * faster repmat() * faster handling of submatrix views with one row or column * faster generation of random numbers * faster element access in fixed size matrices * better detection of vector expressions by sum(), cumsum(), prod(), min(), max(), mean(), median(), stddev(), var() * expressions X=A.i()*B and X=inv(A)*B are automatically converted to X=solve(A,B)

Changes in version 0.2.40

• Upgraded to Armadillo release 2.99.4 "Antarctic Chilli Ranch (Beta 4)" * fixes for handling expressions with fixed size matrices

Changes in version 0.2.39

• Upgraded to Armadillo release 2.99.3 "Antarctic Chilli Ranch (Beta 3)" * faster repmat() * workarounds for braindead compilers (eg. Visual Studio)

Changes in version 0.2.38

• Upgraded to Armadillo release 2.99.2 "Antarctic Chilli Ranch (Beta 2)" * added .i() * much faster handling of .col() and .row() * expressions X=A.i()*B and X=inv(A)*B are automatically converted to X=solve(A,B)

Changes in version 0.2.37

• Upgraded to Armadillo release 2.99.1 "Antarctic Chilli Ranch (Beta 1)" * added non-contiguous submatrix views * added hist() and histc() * faster handling of submatrix views * faster generation of random numbers * faster element access in fixed size matrices * better detection of vector expressions by sum(), cumsum(), prod(), min(), max(), mean(), median(), stddev(), var()

Changes in version 0.2.36

• Upgraded to Armadillo release 2.4.4 * fixes for qr() and syl() * more portable wall_clock class * faster relational operators on submatrices

Changes in version 0.2.35

• Upgraded to Armadillo release 2.4.3 * Support for ARMA_DEFAULT_OSTREAM using Rcpp::Rcout added
• Minor bug fix release improving corner cases affecting builds: * Missing semicolon added in Mat_meat (when in C++0x mode), with thanks to Teo Guo Ci * Armadillo version vars now instantiated in RcppArmadillo.cpp which helps older g++ versions, with thanks to Gershon Bialer * Thanks also to Martin Renner for testing these changes * Unit tests output fallback directory changed per Brian Ripley's request to not ever use /tmp * Minor update to version numbers in RcppArmadillo-package.Rd

Changes in version 0.2.34

• Upgraded to Armadillo release 2.4.2 * clarified documentation for .reshape() * fix for handling of empty matrices by .resize()

Changes in version 0.2.33

• Upgraded to Armadillo release 2.4.1 * added .resize() * fix for vector initialisation

Changes in version 0.2.32

• Upgraded to Armadillo test release 2.4.0 "Loco Lounge Lizard"
• Minimal changes relative to 0.2.31 based on 2.3.92, next section is relative to the previous stable release series 2.2.* of Armadillo * added shorter forms of transposes: .t() and .st() * added optional use of 64 bit indices, allowing matrices to have more than 4 billion elements * added experimental support for C++11 initialiser lists * faster pinv() * faster inplace transpose * faster handling of expressions with diagonal views * fixes for handling expressions with aliasing and submatrices * fixes for linking on Ubuntu and Debian systems * fixes for inconsistencies in interactions between matrices and cubes * refactored code to eliminate warnings when using the Clang C++ compiler * .print_trans() and .raw_print_trans() are deprecated

Changes in version 0.2.31

• Upgraded to Armadillo test release 2.3.92 "Loco Lounge Lizard (Beta 2)" * fixes for linking on Ubuntu and Debian systems * fixes for inconsistencies in interactions between matrices and cubes

Changes in version 0.2.30

• Upgraded to Armadillo test release 2.3.91 "Loco Lounge Lizard (Beta 1)" * added shorter forms of transposes: .t() and .st() * added optional use of 64 bit indices, allowing matrices to have more than 4 billion elements * added experimental support for C++11 initialiser lists * faster pinv() * faster inplace transpose * bugfixes for handling expressions with aliasing and submatrices * refactored code to eliminate warnings when using the Clang C++ compiler * .print_trans() and .raw_print_trans() are deprecated

Changes in version 0.2.29

• Upgraded to Armadillo release 2.2.3 * Release fixes a speed issue in the as_scalar() function.

Changes in version 0.2.28

• Upgraded to Armadillo release 2.2.1 "Blue Skies Debauchery" * faster multiplication of small matrices * faster trans() * faster handling of submatrices by norm() * added economical singular value decomposition: svd_thin() * added circ_toeplitz() * added .is_colvec() & .is_rowvec() * fixes for handling of complex numbers by cov(), cor(), running_stat_vec

Changes in version 0.2.27

• Upgraded to Armadillo release 2.1.91 "v2.2 beta 1" * faster multiplication of small matrices * faster trans() * faster handling of submatrices by norm() * added economical singular value decomposition: svd_thin() * added circ_toeplitz() * added .is_colvec() & .is_rowvec()

Changes in version 0.2.26

• Upgraded to Armadillo release 2.0.2 * fix for handling of conjugate transpose by as_scalar() * fix for handling of aliasing by diagmat() * fix for handling of empty matrices by symmatu()/symmatl()

Changes in version 0.2.25

• Upgraded to Armadillo 2.0.1 which fixes two minor compilation issues

Changes in version 0.2.24

• Upgraded to Armadillo release 2.0.0 "Carnivorous Sugar Glider" * faster multiplication of tiny matrices (≤ 4x4) * faster compound expressions containing submatrices * faster inverse of symmetric positive definite matrices * faster element access for fixed size matrices * added handling of arbitrarily sized empty matrices (eg. 5x0) * added loading & saving of matrices as CSV text files * added .count() member function to running_stat and running_stat_vec * added syl(), strans(), symmatu()/symmatl() * added submatrices of submatrices * det(), inv() and solve() can be forced to use more precise * algorithms for tiny matrices (≤ 4x4) * htrans() has been deprecated; use trans() instead * API change: trans() now takes the complex conjugate when transposing a complex matrix * API change: .is_vec() now outputs true for empty vectors (eg. 0x1) * API change: forms of chol(), eig_sym(), eig_gen(), inv(), lu(), pinv(), princomp(), qr(), solve(), svd(), syl() that do not return a bool indicating success now throw std::runtime_error exceptions when failures are detected * API change: princomp_cov() has been removed; princomp() in conjunction with cov() can be used instead * API change: set_log_stream() & get_log_stream() have been replaced by set_stream_err1() & get_stream_err1()

Changes in version 0.2.23

• Upgraded to Armadillo release 1.99.5 "v2.0 beta 5" * Forms of chol(), eig_sym(), eig_gen(), inv(), lu(), pinv(), princomp(), qr(), solve(), svd(), syl() that do not return a bool indicating success now throw std::runtime_error exceptions when failures are detected * princomp_cov() has been removed; princomp() in conjunction with cov() can be used instead * set_log_stream() & get_log_stream() have been replaced by set_stream_err1() & get_stream_err1() * det(), inv() and solve() can be forced to use more precise algorithms for tiny matrices (≤ 4x4) * Added loading & saving of matrices as CSV text files
• fastLmPure() now uses same argument order as R's lm.fit()
• Export and document S3 methods in NAMESPACE and manual page as such

Changes in version 0.2.22

• Upgraded to Armadillo release 1.99.4 "v2.0 beta 4" * fixes for handling of tiny matrices

Changes in version 0.2.21

• Upgraded to Armadillo release 1.99.3 "v2.0 beta 3" * stricter size checking for row and column vectors * added .count() member function to running_stat and running_stat_vec

Changes in version 0.2.20

• Upgraded to Armadillo release 1.99.2 "v2.0 beta 2" (and 1.99.1 before) * faster inverse of symmetric matrices * faster element access for fixed size matrices * faster multiplication of tiny matrices (eg. 4x4) * faster compund expressions containing submatrices * added handling of arbitrarily sized empty matrices (eg. 5x0) * added syl() * added strans() * added symmatu()/symmatl() * added submatrices of submatrices * htrans() has been deprecated; use trans() instead * trans() now takes the complex conjugate when transposing a complex matrix * .is_vec() now outputs true for empty matrices * most functions with matrix inputs no longer throw exceptions when given empty matrices (eg. 5x0)
• Added a new subdirectory examples/ seeded with a nice Vector Autoregression simulation simulation example by Lance Bachmeier
• Rewrote armadillo_version as to no longer require an instance of arma::arma_version, with tanks to Conrad for the suggestion

Changes in version 0.2.19

• Upgraded to Armadillo version 1.2.0 "Unscrupulous Carbon Emitter" * Added ability to use Blas & Lapack libraries with capitalised function names * Reduction of pedantic compiler warnings

Changes in version 0.2.18

• Upgraded to Armadillo version 1.1.92 "Jurassic Barbecue" * Bugfix in cor() * Automatic installation now requires CMake >= 2.6

Changes in version 0.2.17

• Upgraded to Armadillo version 1.1.90 "Inside Job" * Added .min() & .max(), which can provide the extremum's location * More robust mean(), var(), stddev()

Changes in version 0.2.16

• Upgraded to Armadillo version 1.1.8 "Kangaroo Steak" * Added floor() and ceil() * Added “not a number”: math::nan() * Added infinity: math::inf() * Added standalone is_finite() * Faster min(), max(), mean() * Bugfix for a corner case with NaNs in min() and max()

Changes in version 0.2.15

• Upgraded to Armadillo version 1.1.6 “Baby Carpet Shark” * fixed size matrices and vectors can use auxiliary (external) memory * .in_range() can use span() arguments * subfields can use span() arguments

Changes in version 0.2.14

• Support Run-Time Type Information (RTTI) on matrices by setting the state variable vec_state in Row and Col instantiation, with thanks to Conrad Sanderson for the hint
• fastLm code simplified further by instantiating the Armadillo matrix and vector directly from the SEXP coming from R
• inst/doc/Makefile now respects $R_HOME environment variable

Changes in version 0.2.13

• Upgraded to Armadillo version 1.1.4 “Manta Lodge” * Faster sort() * Updated installation to detect recent versions of Intel's MKL * Added interpretation of arbitrary "flat" subcubes as matrices

Changes in version 0.2.12

• Upgraded to Armadillo version 1.1.2 “Flood Kayak” * Faster prod() * Faster solve() for compound expressions * Fix for compilation using GCC's C++0x mode * Fix for matrix handling by subcubes

Changes in version 0.2.11

• Upgraded to Armadillo version 1.1.0 “Climate Vandal” * Extended submatrix views, including access to elements whose indices are specified in a separate vector * Added handling of raw binary files by save/load functions * Added cumsum() * Added interpretation of matrices as triangular via trimatu()/trimatl() * Faster solve(), inv() via explicit handling of triangular matrices * The stream for logging of errors and warnings can now be changed
• New unexported R function SHLIB, a small wrapper around R CMD SHLIB, which can be used as Rscript -e "RcppArmadillo:::SHLIB('foo.cpp')"

Changes in version 0.2.10

• Upgraded to Armadillo 1.0.0 "Antipodean Antileech" * After 2 1/2 years of collaborative development, we are proud to release the 1.0 milestone version. * Many thanks are extended to all contributors and bug reporters.
• R/RcppArmadillo.package.skeleton.R: Updated to no longer rely on GNU make for builds of packages using RcppArmadillo
• summary() for fastLm() objects now returns r.squared and adj.r.squared

Changes in version 0.2.9

• Upgraded to Armadillo 0.9.92 "Wall Street Gangster": * Fixes for compilation issues under the Intel C++ compiler * Added matrix norms

Changes in version 0.2.8

• Upgraded to Armadillo 0.9.90 "Water Dragon": * Added unsafe_col() * Speedups and bugfixes in lu() * Minimisation of pedantic compiler warnings
• Switched NEWS and ChangeLog between inst/ and the top-level directory so that NEWS (this file) gets installed with the package

Changes in version 0.2.7

• Upgraded to Armadillo 0.9.80 "Chihuahua Muncher": * Added join_slices(), insert_slices(), shed_slices() * Added in-place operations on diagonals * Various speedups due to internal architecture improvements

Changes in version 0.2.6

• Upgraded to Armadillo 0.9.70 "Subtropical Winter Safari"
• arma::Mat, arma::Row and arma::Col get constructor that take vector or matrix sugar expressions. See the unit test "test.armadillo.sugar.ctor" and "test.armadillo.sugar.matrix.ctor" for examples.

Changes in version 0.2.5

• Upgraded to Armadillo 0.9.60 "Killer Bush Turkey"

Changes in version 0.2.4

• Upgraded to Armadillo 0.9.52 'Monkey Wrench'
• src/fastLm.cpp: Switch from inv() to pinv() as inv() now tests for singular matrices and warns and returns an empty matrix which stops the example fastLm() implementation on the manual page -- and while this is generally reasonably it makes sense here to continue which the Moore-Penrose pseudo-inverse allows us to do this

Changes in version 0.2.3

• Better configuration to detect suncc (which does not have std::isfinite)

Changes in version 0.2.2

• Added RcppArmadillo:::CxxFlags for cases where RcppArmadillo is not used via a package
• Upgraded to Armadillo 0.9.10 'Chilli Espresso'
• Wrap support for mtOp, i.e. operations involving mixed types such as a complex and an arma::mat, which have been introduced in armadillo 0.9.10
• Wrap support for mtGlue, i.e. operations involving matrices of mixed types such as an arma::mat and an arma::imat, which have been introduced in armadillo 0.9.10
• Included an inline plugin to support the plugin system introduced in inline 0.3.5. The unit tests have moved from the src directory to the unit test directory (similar to Rcpp) using cxxfunction with the RcppArmadillo plugin.

Changes in version 0.2.1

• Bug-fix release permitting compilation on Windows

Changes in version 0.2.0

• fastLm() is now generic and has a formula interface as well as methods for print, summary, predict to behave like a standard model fitting function
• Armadillo sources (using release 0.9.8) are now included in the package using a standardized build suitable for our purposes (not assuming Boost or Atlas) -- see ?RcppArmadillo for details
• New R function RcppArmadillo.package.skeleton, similar to Rcpp::Rcpp.package.skeleton, but targetting use of RcppArmadillo

Changes in version 0.1.0

• the fastLm() implementation of a bare-bones lm() fit (using Armadillo's solve() function) provides an example of how efficient code can be written compactly using the combination of Rcpp, RcppAramadillo and Armadillo
• support for Rcpp implicit wrap of these types : MatT, ColT, RowT, CubeT where T is one of : int, unsigned int, double, float
• support for Rcpp implicit as of these types : MatT, ColT, RowT where R is one of : int, unsigned int, double, float