package owl

1.0.2 (2022-02-14)

• Update Hamming, Hann, Blackman, Freqz functions in Signal module

• Fix a bug in sparse matrix transpose; the dimensions are now swapped properly

• Fix a bug in the split function in ndarray module

• Fix a bug in combination calculation

• Fix some compilation warnings on Windows, using Mingw toolchain

• Document updates for PLplot and Windows

1.0.1 (2021-01-06)

• Add eighth-order finite difference approximation

• Fix bug in Jacobian with different input/output dimensions (#557)

• Fix bug in nested grads (#558)

• Update to ocamlformat.0.16.0 (thanks @gpetiot #556)

• Add get_fancy to AD

• Check input and output type of diff operation

• Fix bug in build_info of aiso pattern in AD

• Implement split forward mode and check max tag of build_info

• Add initial implementation of fft2 and ifft2

• Add nonsymmetric qs suppport for continuous and discrete time lyapunov gradients

• Improve care and dare operations in AD

• Improve forward mode efficiency for sylv, clyap and dlyap operations in AD

1.0.0 (2020-11-10)

• Update project governance

• Fix bug in convolution operation

• Fix bug in AEOS module

• Enable differentiation through the Jacobian in Algodiff

• Fix windows compatibility issue (@kkirstein #549)

• Fix bitwidth issue in mingw by replacing long type with int64_t (thanks @kkirstein)

• Fix Dockerfile for master branch

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.