package owl

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package owl
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0.10.0 (2020-10-04)

  • various documentation improvements (thanks @pveber, @UnixJunkie, @Fourchaux)
  • Fix use of access operators (#543)
  • Upgrade to ocamlformat 0.15.0 (thanks @gpetiot #535)
  • keep_dims option (#531)
  • stats: fix infinite loop in ecdf
  • Use Fun.protect to ensure all file descriptors are being closed
  • owl_ndarray_maths: improve user experience in case of errors
  • owl_io: close file descriptors also in case of errors
  • owl_dense_ndarray_generic: fix error on printing 0-ary arrays
  • fixed bug in sub forward mode (#533)
  • Add stack to Algodiff (#528)
  • added log_sum_exp to Ndarray and Algodiff (#527)
  • added single-precision and double-precision Bessel functions to Ndarray (#526)
  • Fixes #518 by introducing another / to resolve data directory (@jotterbach #519)
  • Graph Slice node (resolves #483) (@mreppen #517)
  • Graph subnetwork: Multiple outputs (@mreppen #515)
  • Added kron and swap to Algodiff operations (#512)
  • various other small fixes

0.9.0 (2020-03-03)

  • owl: sync opam files versioning
  • added stack function (#506)
  • Owl now compatible with latest version of Ctypes (#508)
  • Fix bug in _squeeze_broadcast (#503)
  • using extended indexing operator since ocaml 4.10.0
  • [breaking] Drop support for ocaml < 4.10.0

0.8.0 (2020-02-25)

  • Fix bug in _squeeze_broadcast (#503)
  • Added the Dawson function (Ndarray + Matrix + Algodiff op) (#502)
  • Fix bug in reverse mode gradients of aiso operations and pow (#501)
  • Added poisson_rvs to Owl_distribution (#499)
  • Draw poisson RVs in Ndarray and Mat modules (#498)
  • Broadcast bug for higher order derivatives (#495)
  • add sem to dense ndarray and matrix (#497)
  • Avoid input duplication with Graph.model and multi-input nn (#494)
  • Added Graph.get_subnetwork for constructing subnetworks (#491)
  • Make Graph.inputs give unique names to inputs (#493)
  • modify nlp interfaces
  • Re-add removed DiffSharp acknowledgment (#486)
  • add pretty printer for hypothesis type
  • update lambda neuron (#485)
  • fix example due to #476
  • Extend base linalg functions to complex numbers (#479)
  • [breaking] use a separate module for algodiff instead of ndarray directly (#476)
  • temp workaround and unittest (#478)
  • [breaking] Interface files for base/dense and base/linalg (#472)
  • Port code to dune2 (#474)
  • [breaking] interface files to simplify .mli files in owl/dense (#471)
  • Save and load Npy files (#470)
  • Owl: relax bounds on base and stdio (#469)
  • Merged tests for different AD operations into one big test + autoformat tests with ocamlformat (#468)

0.7.2 (2019-12-06)

  • fourth order finite diff approx to grad
  • changes to improve stability of sylv/discrete_lyap
  • fix bug in concatenate function
  • add mli for owl_base_linalg_generic
  • Owl-base linalg routines: LU decomposition (#465)
  • bug fixes
  • Update owl.opam

0.7.1 (2019-11-27)

  • Add unit basis
  • Fix issue #337 and #457 (#458)
  • owl-base: drop seemingly unnecessary dependency on integers (#456)

0.7.0 (2019-11-14)

  • Add unsafe network save (owlbarn/owl#429)
  • Sketch Count-Min and Heavy-Hitters
  • Various bugfixes
  • Owl_io.marshal_to_file: use to_channel
  • Do not create .owl folder when loading owl library
  • Re-design of exceptions and replace asserts with verify
  • Add OWL_DISABLE_LAPACKE_LINKING_FLAG
  • Reorganise Algodiff module
  • Add parameter support to Zoo
  • Two new features in algodiff: eye and linsolve (triangular option) + improved stability of qr and chol
  • Implemented solve triangular
  • Added linsolve and lq reverse-mode differentiation
  • Fix build on archlinux (pkg-config cblas)
  • Add median and sort along in ndarray
  • Improve stability of lyapunov gradient tests

0.6.0 (2019-07-17)

  • Add unsafe network save (#429)
  • Sketch Count-Min and Heavy-Hitters
  • Various ugfixes
  • Owl_io.marshal_to_file: use to_channel
  • Do not create .owl folder when loading owl library
  • Re-design of exceptions and replace asserts with verify
  • Add OWL_DISABLE_LAPACKE_LINKING_FLAG
  • Reorganise Algodiff module
  • Add parameter support to Zoo
  • Two new features in algodiff: eye and linsolve (triangular option) + improved stability of qr and chol
  • Implemented solve triangular
  • Added linsolve and lq reverse-mode differentiation
  • Fix build on archlinux (pkg-config cblas)
  • Add median and sort along in ndarray
  • Improve stability of lyapunov gradient tests

0.5.0 (2019-03-05)

  • Improve building and installation.
  • Fix bugs and improve performance.
  • Add more functions to Algodiff.
  • Split plot module out as sub library.
  • Split Tfgraph module out as sub library.

0.4.2 (2018-11-10)

  • Optimise computation graph module.
  • Add some core math functions.
  • Fix bugs and improve performance.

0.4.1 (2018-11-01)

  • Improve the APIs of Dataframe module.
  • Add more functions in Utils module.

0.4.0 (2018-08-08)

  • Fix some bugs and improve performance.
  • Introduce computation graph into the functor stack.
  • Optimise repeat and tile function in the core.
  • Adjust the OpenCL library according to computation graph.
  • Improve the API of Dataframe module.
  • Add more implementation of convolution operations.
  • Add dilated convolution functions.
  • Add transposed convolution functions.
  • Add more neurons into the Neural module.
  • Add more unit tests for core functions.
  • Move from jbuilder to dune
  • Assuage many warnings

0.3.8 (2018-05-22)

  • Add initial support for dataframe functionality.
  • Add IO module for Owl's specific file operations.
  • Add more helper functions in Array module in Base.
  • Add core functions such as one_hot, slide, and etc.
  • Fix normalisation neuron in neural network module.
  • Fix building, installation, and publishing on OPAM.
  • Fix broadcasting issue in Algodiff module.
  • Support negative axises in some ndarray functions.
  • Add more statistical distribution functions.
  • Add another higher level wrapper for CBLAS module.

0.3.7 (2018-04-25)

  • Fix some bugs and improve performance.
  • Fix some docker files for automatic image building.
  • Move more pure OCaml implementation to base library.
  • Add a new math module to support complex numbers.
  • Improve the configuration and building system.
  • Improve the automatic documentation building system.
  • Change template code into C header files.
  • Add initial support for OpenMP with evaluation.
  • Tidy up packaging using TOPKG.

0.3.6 (2018-03-22)

  • Fix some bugs and improve performance.
  • Add more unit tests for Ndarray module.
  • Add version control in Zoo gist system.
  • Add tensor contract operations in Ndarray.
  • Add more documentation of various functions.
  • Add support of complex numbers of convolution and pooling functions.
  • Enhance Owl's own Array submodule in Utils module.
  • Fix pretty printer for rank 0 ndarrays.
  • Add functions to iterate slices in an ndarray.
  • Adjust the structure of OpenCL module.

0.3.5 (2018-03-12)

  • Add functions for numerical integration.
  • Add functions for interoperation.
  • Add several root-finding algorithms.
  • Introduce Owl's exception module.
  • Add more functions in Linalg module.
  • Add native convolution function in core.
  • Remove Eigen dependency of dense data structure.
  • Fix some bugs and improve performance.

0.3.4 (2018-02-26)

  • Update README, ACKNOWLEDGEMENT, and etc.
  • Initial implementation of OpenCL Context module.
  • Fix some bugs and improve the performance.
  • Add Adam learning rate algorithm in Optimise module.
  • Add a number of statistical functions into Stats.
  • Enhance View functor and add more functions.
  • Include and documentation of NLP modules.
  • Add dockerfile for various linux distributions.

0.3.3 (2018-02-12)

  • Fix some bugs and improve the performance.
  • Integrate with Owl's documentation system.
  • Add native C implementation of pooling operations.
  • Add more operators in Operator module.
  • Add more functions in Linalg module.
  • Optimise the Base library.
  • Add more unit tests.

0.3.2 (2018-02-08)

  • Fix some bugs and improve the performance.
  • Functorise many unit tests and add more tests.
  • Rewrite the documentation migrate to Sphinx system.
  • Migrate many pure OCaml code into Base library.
  • Implement the initial version of Base library.

0.3.1 (2018-01-25)

  • Design View module as an experimental module for Ndarray.
  • Include Mersenne Twister (SFMT) to generate random numbers.
  • Implement random number generator of various distributions.
  • Implement native functions for maths and stats module.
  • Include FFTPACK to provide native support for FFT functions.
  • Minimise dependency, remove dependencies on Gsl and etc.
  • Implement slicing and indexing as native C functions.
  • Use new extended indexing operators for slicing functions.
  • Refine ndarray fold function and introduce scan function.
  • Reorganise the module structure in the source tree.
  • Fix some bugs and enhance the performance of core functions.
  • Add another 200+ unit tests.

0.3.0 (2017-12-05)

  • Migrate to jbuilder building system.
  • Unify Dense Ndarray and Matrix types.
  • Split Toplevel out as a separate library.
  • Redesign Zoo system for recursive importing.
  • Simplify the module signature for Ndarray.
  • Introduce functions in Ndarray module to support in-place modification.
  • Introduce reduction functions to reduce an ndarray to a scalar value.
  • Add Lazy functor to support lazy evaluation, dataflow, and incremental computing.
  • Implement a new and more powerful pretty printer to support both ndarray and matrix.
  • Fix bugs in the core module, improve the performance.

0.2.8 (2017-09-02)

  • New Linalg module is implemented.
  • New neural network module supports both single and double precision.
  • New Optimise and Regression module is built atop of Algodiff.
  • Experimental Zoo system is introduced as a separate library.
  • Enhance core functions and fix some bugs.

0.2.7 (2017-07-11)

  • Enhance basic math operations for complex numbers.
  • Redesign Plot module and add more plotting functions.
  • Add more hypothesis test functions in Owl.Stats module.
  • Support both numerical and algorithmic differentiation in Algodiff.
  • Support both matrices and n-dimensional arrays in Algodiff module.
  • Support interoperation of different number types in Ext and new operators.
  • Support more flexible slicing, tile, repeat, and concatenate functions.
  • Support n-dimensional array of any types in Dense.Ndarray.Any module.
  • Support simple feedforward and convolutional neural networks.
  • Support experimental distributed and parallel computing.

0.2.0 (2017-01-20)

  • Support both dense and sparse matrices.
  • Support both dense and sparse n-dimensional arrays.
  • Support both real and complex numbers.
  • Support both single and double precisions.
  • Add more vectorised operation: sin, cos, ceil, and etc.
  • Add basic unit test framework for Owl.
  • Add a couple of Topic modelling algorithms.

0.1.0 (2016-11-09)

  • Initial architecture of Owl library.
  • Basic support for double precision real dense matrices.
  • Basic linear functions for dense matrices.
  • Basic support for plotting functions.
  • SI, MKS, CGS, and CGSM metric system.