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2011-08-27 |
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Version 2.2.3
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2011-08-02 |
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Version 2.2.1 (Blue Skies Debauchery)
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2011-07-16 |
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Version 2.0.2
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2011-06-29 |
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Version 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; eig_sym() 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- API change: set_log_stream() & get_log_stream() have been replaced by set_stream_err1() & get_stream_err1()
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2011-04-18 |
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Version 1.2.0 (Unscrupulous Carbon Emitter)
- Added ability to use Blas & Lapack libraries with capitalised function names
- Reduction of pedantic compiler warnings
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2011-03-31 |
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Version 1.1.92 (Jurassic Barbecue)
- Bugfix in cor()
- Automatic installation now requires CMake ≥ 2.6
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2011-03-22 |
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Version 1.1.90 (Inside Job)
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2011-03-10 |
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Version 1.1.8 (Kangaroo Steak)
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2011-03-02 |
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Version 1.1.6 (Baby Carpet Shark)
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2011-02-18 |
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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
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2011-02-02 |
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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
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2010-12-23 |
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Version 1.1.0 (Climate Vandal)
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2010-11-23 |
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Version 1.0.0 (Antipodean Antileech)
- After 2½ years of collaborative development, we are proud to release the 1.0 milestone version
- Many thanks are extended to all contributors and bug reporters
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2010-11-11 |
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Version 0.9.92 (Wall Street Gangster)
- Fixes for compilation issues under the Intel C++ compiler
- Added matrix norms
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2010-10-14 |
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Version 0.9.90 (Water Dragon)
- Added unsafe_col()
- Speedups and bugfixes in lu()
- Minimisation of pedantic compiler warnings
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2010-09-28 |
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Overview Tech Report
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2010-09-21 |
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Version 0.9.80 (Chihuahua Muncher)
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2010-09-01 |
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Version 0.9.70 (Subtropical Winter Safari)
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2010-08-04 |
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Version 0.9.60 (Killer Bush Turkey)
- More flexible reshape(), allowing significantly different matrix sizes
- Added matrix initialisation via the << operator
- Fixes for compilation issues under Mac OS X with GCC 4.2/4.0 hybrid
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2010-07-14 |
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Version 0.9.52 (Monkey Wrench)
- Bugfixes for saving complex cubes
- Workarounds to remove warnings under certain dodgy compilers
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2010-07-07 |
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Version 0.9.50 (Flying Spaghetti Monster)
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2010-06-02 |
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Version 0.9.10 (Chilli Espresso)
- Speedups for find() and relational operators
- Speedups for expressions involving mixed matrix types
- More consistent success indication by decomposition functions
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2010-05-14 |
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Version 0.9.8 (Dog's Breakfast)
- Added handling of interactions between complex scalars and non-complex matrices
- Minor bugfixes for compilation issues under certain compilers
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2010-04-28 |
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Version 0.9.6 (Chimerican Climate Cabal)
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2010-03-16 |
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Version 0.9.4 (Cat Herder)
- Added cross()
- Bugfixes for inplace addition of particular vector multiplication expressions
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2010-03-03 |
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NICTA at CeBIT in Hannover
Armadillo is used in NICTA's face-based identity inference product demonstrators (part of the Advanced Surveillance project).
See this page for more info on NICTA's presence at CeBIT.
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2010-03-02 |
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Version 0.9.2 (Cuban Cigar)
- Minor speedups
- Added princomp_cov()
- Bugfixes in complex-number versions of several functions
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2010-02-05 |
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Version 0.9.0 (Retoxed Feral)
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Extended and overhauled expression evaluation framework,
for more efficient handling of compound expressions
- There is a small but important API change -- see the docs for details
- Added a conversion table between Matlab/Octave and Armadillo syntax
- Added saving/loading of matrices using streams
- Added log_det(), princomp(), fliplr(), flipud()
- More accurate var() and stddev()
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2010-01-27 |
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Version 0.8.2 (Colombian Coffee)
- Added as_scalar(), for forward compatibility with 0.9.x
- Miscellaneous bugfixes
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2009-12-14 |
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Version 0.8.0 (Restless Critter)
- Added pinv(), rank(), kron(), prod(), eps(), shuffle()
- Added ‘running_stat_vec’ class, for on-the-fly statistics of vectors
- Improvements and bugfixes in handling of submatrix views
- Speedups for some compound expressions
- Initial support for dodgy compilers
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2009-10-26 |
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Version 0.7.2 (Tequila Sunrise)
- Added covariance and correlation functions
- Added simpler form of lu()
- Faster repmat() and reshape()
- Better detection of external libraries during installation
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2009-10-07 |
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Version 0.7.0 (Unshackled Mongrel)
- Added the Cube class (aka "3D matrix" or a set of matrices with contiguous memory)
- Added creation of Mat instances using auxiliary memory
- Added repmat()
- Bugfixes for det() and lu()
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2009-06-25 |
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Version 0.6.12 (Ye Greene Beaste)
- Added raw_print() and a collection of physical constants
- Code cleanup for better conformance to the C++ standard
- Miscellaneous documentation and installation improvements
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2009-05-20 |
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Version 0.6.11
- Bug fix for solve() when using complex numbers
- More elaborate class destructors for better debugging of user code
- Miscellaneous documentation and installation improvements
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2009-05-02 |
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Version 0.6.10
- Added eigen decomposition of generic (non-symmetric) matrices
- Function eig() renamed to eig_sym()
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2009-04-23 |
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Version 0.6.8
- Better installation on MacOS X
- Colour PPM images can now be loaded as fields of matrices
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2009-04-08 |
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Version 0.6.6
- Better installation on 64 bit systems, especially when using CMake 2.6
- Fields of strings can be now loaded & saved as plain text files
- Bug fix for template detection of combined multiply and addition operations
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2009-04-02 |
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Version 0.6.4
- Added running_stat class for on-the-fly statistics
- Renamed main classes for better code readability
- Performance tweaks, which can result in speedups of 30% for small matrices
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2009-03-26 |
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Version 0.6.2
Fixes for interactions between matrices with different element types
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2009-03-24 |
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Version 0.6.0
Added functionality:
- solve(), for solving systems of linear equations
- svd(), singular value decomposition
- expressions can now have mixed matrix types
- complex number versions of statistics functions
- reworked operators, providing more flexibility
Bug fixes:
- sign of scalar produced by det()
- handling of single row and column submats by statistics functions
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2009-03-11 |
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Version 0.5.2
Added functionality:
Bug fixes:
- pow() applied to integer matrices (gcc < 4.3)
- multiplication of submats with a scalar
- missing division operators
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2009-03-09 |
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Version 0.5.0
Added functionality:
- Cholesky and QR decompositions
- element-wise division
- comparison operators
- more elegant restriction of template parameters
Bug fixes:
- handling of diagonal matrices created from vectors
- compilation of examples under MacOS X
Other changes:
- faster matrix inverse
- license change to LGPL v3+
- updated and re-arranged documentation
- easier installation when using the .tar.gz package
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2009-01-28 |
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Version 0.4.0
Bug fixes and added functionality:
- easier configuration and installation
- statistics functions
- more functions for handling complex numbers
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2009-01-16 |
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Version 0.3.0
Added functionality:
- handling of complex numbers as well as other types
- added trigonometric functions
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2008-12-23 |
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Version 0.2.1
Fixes for several minor bugs.
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2008-12-12 |
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Version 0.2.0
More functionality, bug fixes and improved user documentation.
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2008-11-04 |
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Version 0.1.0
Initial proof-of-concept release.
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