All notable changes to this project will be documented in this file.
The format is based on Keep a Changelog.
Graphics module:
First big step to do plot 2D and 3D with Nelson. Some features are missing and will come in next releases. Current version is usable and show plots possibilities of Nelson.
Do not hesitate to create features requests or bug reports. Contributions are welcome.
Implemented features:
figure creates an figure window.cla clears figure.axes creates cartesian axes.axis set axis limits and aspect ratios.cla clears axes.zlim set or get z-axis limits.ylim set or get y-axis limits.xlim set or get x-axis limits.clim set colormap limits.line creates primitive line.plot 2-D line plot.plot3 3-D line plot.rgbplot Plot colormap.subplot Create axes in tiled positions.newplot Prepare to produce a new plot.semilogx Semilog plot (x-axis has log scale).semilogy Semilog plot (y-axis has log scale).squiver Quiver or vector plot.surf creates surface plot.text creates text descriptions to data points.title adds title.legend adds legend to axes.xlabel Label x-axis.ylabel Label y-axis.zlabel Label z-axis.grid Display or hide axes grid lines.spy Visualize sparsity pattern of matrix.image displays image from array.imagesc displays image from array with scaled colors.cylinder creates cylinder.sphere creates sphere.close close one or more figures.gcf get current figure graphics object.gca get current axes graphics object.groot return graphic root object.refresh redraws current figure.ishold get current hold state.hold retain current plot when adding new plots.view Camera line of sigh.saveas Save figure to specific file format.copygraphics Copy plot to clipboard.isValidGraphicsProperty check property name is valid for a graphics object type name.isprop, properties, isequal, eq, display, set, get for Graphics Object type.isgraphics Check if it is an graphics object handles.colstyle Parse color and style from string.is2D Checks if ax is a 2-D Polar or Cartesian axes.colorbar Colorbar showing color scale.colormap View and set current colormap.autumn: Autumn colormap array.gray: Gray colormap array.parula: Parula colormap array.spring: Spring colormap array.summer: Summer colormap array.winter: Winter colormap array.░░ٌٌٌӇ░ٌٌٌƛ░ٌٌٌƤ░ٌٌٌƤ░ٌٌٌƳ ░ٌٌٌ░ٌٌٌƝ░ٌٌٌЄ░ٌٌٌƜ░ٌٌٌ░ٌٌٌ Ƴ░ٌٌٌЄ░ٌٌٌƛ░ٌٌٌƦ░ٌٌٌ!░
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normest 2-norm estimate.
logical operators &, | , &&, || for sparses matrix managed.
doxygen documentation generated by Github CI for each release.
--noaudio CLI argument disable audio (module) in Nelson.
#783: Fedora 37 support.
an example to build mexFunction using Rust.
geometry module:
rotx: 3x3 transformation matrix for rotations around x-axisroty: 3x3 transformation matrix for rotations around y-axisrotz: 3x3 transformation matrix for rotations around z-axisspones replaces non zero sparse matrix elements with ones.
rot90 faster for 2D matrix.
timeout --timeout CLI argument and system with timeout return error code 258 on Windows and 134 others platforms.
test_run catchs error code about test aborted (timeout).
exit does not allow value > 255 on Linux and MacOS.
#776: internal dependencies between modules reworked.
Uses MKL or OpenBlas if detected on linux and MacOs (Nelson is faster on Linux and MacOs).
basic terminal was closed immediately if stdin was null.
Github Actions CI warnings.
#778: ArchLinux Github CI was broken.
#750: Qt 6.4.0 support (win64 release embed Qt6.4.0).
#733: minimal build and optional installation on MacOs, Linux and Windows.
#762: MacOs CI was broken (libomp no more detected).
#776: CodeQL Analyze was broken.
#739: special case with empty cell.
buildhelp did not return some errors.
#755: Boost 1.80 support (default on Windows)
#753: move from boost::filesystem to std::filesystem. (It should have no impact for users …)
Path functions returns sensitive path on Windows. cd ('c:/program files') returns true path C:/Program Files.
fileparts builtin updated to be more compatible.
normalizePath internal function reworked.
internal files functions reworked and factorized.
linear algebra module:
rref: Gauss-Jordan elimination.orth: Range space of a matrix.subspace: Angle between two subspaces.planerot: Givens plane rotation.condeig: Condition number with respect to eigenvalues.bandwidth: Lower and upper matrix bandwidth.isbanded: Determine if matrix is within specific bandwidth.audio module:
sound: Convert matrix of signal data to sound and play it.soundsc: Scale data and play as sound.mu2lin: Convert audio data from mu-law to linear signal.lin2mu: Convert audio data from linear signal to mu-law.elementary functions module:
toeplitz: Toeplitz matrix.hadamard: Hadamard matrix.wilkinson: Wilkinson’s eigenvalue test matrix.vander: Vandermonde matrix.rosser: Classic symmetric eigenvalue test problem.nextpow2: Next higher power of 2.permute: Permute array dimensions.ipermute: Inverse permute array dimensions.rot90: Rotate array 90 degrees.special functions module:
dot: Dot product.cross: Cross product.string module:
isletter: Determine which characters are letters.data analysis module:
cumsum: Cumulative sum.cumprod: Cumulative product.#715: update {fmt} to 9.1.0.
Nelson uses simdutf library to convert characters encoding faster.
shorcuts && and || reworked.
assign behavior with empty matrix.
#702: Ubuntu 18.04 CI removed on Github.
Remove definitively Appveyor CI.
C++ API: getContentAsDoubleScalar, getContentAsSingleScalar, getContentAsInteger8Scalar, … , getContentAsInteger64Scalar can check if it is an integer value.
addgateway, removegateway, gatewayinfo builtin moved in modules_manager module (reduces dependency)
#722: MS MPI runtime v10.1.2.
#723: MacOS CI was broken.
#737: profiler failed with sind example.
#739: special case with empty cell.
#741: ones and zeros do not manager logical as typename.
#573: diff differences and discret derivatives.
peaks: peaks function.
parallel module:
fetchNext: Retrieve next unread outputs from FevalFuture array.afterAll: Run function after all functions finish running in the background.afterEach: Run function after each functions finish running in the background.signal processing module:
hann: Hann window.hamming: Hamming window.bartlett: Bartlett window.blackman: Blackman window.sinc: sinc function.filter2: 2-D digital filter.fft2: Two-dimensional discrete Fourier Transform.time functions:
weekday: Day of week.eomday: Last day of month.etime: Time elapsed between date vectors.date: Current date as character vector.timeit: Measure time required to run function.addtodate: Modify date number by field.trigonometric functions:
rad2deg: Convert angle from radians to degrees.deg2rad: Convert angle from degrees to radians.cart2pol: Transforms Cartesian coordinates to polar or cylindrical.pol2cart: Transforms polar or cylindrical coordinates to Cartesian.cart2sph: Transforms Cartesian to spherical coordinates.sph2cart: Transform spherical coordinates to Cartesian.sech: Hyperbolic secant.secd: Secant of argument in degrees.sec: Secant of angle in radians.csch: Hyperbolic cosecant.cscd: Cosecant of argument in degrees.csc: Cosecant of argument in radians.coth: Hyperbolic cotangent.cot: Cotangent of argument in radians.cotd: Cotangent of argument in degrees.atand: Inverse tangent in degrees.atan2d: Four-quadrant inverse tangent in degrees.sinpi: Computes sin(X * pi) accurately.cospi: Computes cos(X * pi) accurately.asind: Inverse sine in degrees.asinh: Inverse hyperbolic sine.acosh: Inverse hyperbolic cosine.acosd: Inverse cosine in degrees.acoth: Inverse hyperbolic cotangent.acsc: Inverse cosecant in radians.acscd: Inverse cosecant in degrees.acsch: Inverse hyperbolic cosecant.asec: Inverse secant in radians.asecd: Inverse secant in degrees.asech: Inverse hyperbolic secant.acot: Inverse cotangent in radians.acotd: Inverse cotangent in degrees.prettier is used to format .xml, .md files.
Code format (.xml, .md, c++) checker added to Github CI.
system builtin:
#687: Uses BS thread pool 3.3.0.
Windows 32 bits threads support: due to threading limitations with MKL, openMP and others threads computation threads are limited to 4 threads on Windows 32 bits.
#683: MacOS Catalina removed on Github CI (no more officially supported).
Help chapter titles all start with a capital letter.
#771: Fedora 36 Github CI replaces Fedora 35 Github CI.
c = computer returns an error.or, and do not manage matrix operator scalar case.str2func manages anonymous function.
Parallel functions (part 2):
cancelAll: Stop all functions running in the background.cancel: Stop function running in the background.wait: Wait for futures to be completed.Diary property for FevalFuture object.CITATION.cff with human- and machine-readable citation information for software.
.pot, .po updated.Parallel functions (part 1):
parfeval: Run function on parallel background thread pool worker.backgroundPool: Environment for running code in the background.fetchOutputs: Retrieve results from function running in the background.#666: ls function: List folder contents.
#655: help viewer embedded (available on all platforms).
LGTM replaced by CodeQL (Thanks to Github for their support)
#662: Snap uses Core22 and Qt6 (all dependencies are up-to-date).
#668: maxNumCompThreads detects numbers of physical cores on Windows.
matrix of handles supported.
#676: use fmtlib 9.0
#572: pow2: Base 2 exponentiation.
audioread, audiowrite supports new file formats .mp3, .flac, .caf (Thanks to libsndfile).
MacOs 12 Monterey Github CI.
#634: Ubuntu 22.04 CI.
#631: Qt6 used as default distribution on some OS platforms.
For backport compatibility only Qt5.15.x and Qt6.3 (or more) are supported.
#636: docker image uses bullseye image.
system builtin: multithread rework.
#633: libsndfile 1.1.0 used.
Windows build uses /permissive- option.
#646: warndlg, questdlg, errordlg, helpdlg reworked to better Qt6 support.
Dark theme detection with Gnome.
#642: rand was not thread safe.
#648: Ubuntu 18.04 CI failed.
#651: MacOs monterey crashs at exit with mpi module.
#590: Nelson’s license moved to LGPL v3.0 and GPL v3.0 and uses SPDX format.
Nelson uses Hack font.
Linux 64 bits and 32 bits uses same main script.
#594: .pot used to generate en_US.
‘sscanf’ reworked to manage unicode characters and speed optimization.
French translations imported from Weblate (Thanks to contributors)
Dark theme detected and applied on Linux, MacOS and Windows.
#559: formattedDisplayText function: Capture display output as string.
Better detection Qt6 or Qt5 with CMake.
Main Nelson’s font was not applied on some OS platforms (ex: MacOS Catalina)
#622: isreal(sqrt(i^4)) did not return true.
Nelson’s help indexing is faster (x100).
Packaging:
add information for Software Center (Linux desktop, icons).
nelson Main script to start Nelson (superceed others scripts).
isunicodesupported function: Detect whether the current terminal supports Unicode.
dlsym function: search nearest symbol name if value entry is not found.
terminal_size function:Query the size of the terminal window.
#598: sscanf function read formatted data from strings.
#599: make install step in CI for linux and MacOs.
#601: embed all tests on linux and macos install.
#576: C++17 Compiler required to build Nelson.
#581: Github CI platforms list extended (ArchLinux, Fedora, Ubuntu 18.04, MacOs BigSur).
#539: Visual studio 2022 build on Windows
JuliaMono-Regular font as default.... in cells if character vector is too long.format long complex do not display expected precision.0^0 did not return expected value.WITH_SLICOT, WITH_FFTW, ENABLE_CLANG_TIDY_FIX were not documented.Nelson's website button.pixel perfect. (a small sentence but a big rework)format extended to manage: compact, loose, longE, longG, hex, bank, rational.celldisp: Display cell array contents.hypot builtin: Square root of sum of squares.rsf2csf function: Convert real Schur form to complex Schur form.CHANGELOG 0.6.x family.