v0.2.5

0.2.5 (2018-05-23)

Features:

• logm: matrix logarithm.
• sqrtm: square root of a square matrix.
• eval function: evaluates string for execution in Nelson.
• evalin function: evaluates string for execution in Nelson in a specified scope.
• evalc function: Evaluate Nelson code with console capture.
• winqueryreg function read the Windows registry (Windows only).
• factorial function.
• gamma function.
• plus, minus, le, ne, ge, gt, lt, eq, colon operators added for all integer types.
• le, ne, ge, gt, lt, eq for mixed single & double types.
• add generic overload mechanism for all integers: integer keyword.
• vertcat and horzcat: mixed concatenations logical with integers, single and double added.
• #110: add isproperty & ismethod to all handle types.
• add "isHandleProperty", "isHandleMethod", "getHandleCategory" C++ API Methods.
• #108: cast function: converts variable to a different data type.
• MPI Module loaded if MPI dependency is available.

Bug Fixes:

• #125: cosm function was slow.

• #123: addpath stopped to work after repeatedly call to the same path.

• #121: home key did not work in GUI terminal on prompt.

• #118: add information in DEVELOPMENT.md about how to buid Boost on old Ubuntu versions.

• #109: add missing horzcat, vertcat for all handle types.

Compilation:

• BOOST 1.67 on Windows
• MSMPI 9.0.1 on Windows
• Update Visual Studio 15.7.1

v0.2.4

0.2.4 (2018-04-30)

Features:

• Foreign Function Interface: call C/Fortran functions that are compiled into shared libraries.

  • dlopen: loads an dynamic library.
  • dlclose: removes/unload dllib object.
  • dlsym: loads a C/Fortran symbol for an dynamic library.
  • dlcall: C or Fortran Foreign function call.
  • dllibinfo: returns list of available symbols in an shared library.
  • dllibisloaded: checks if shared library is loaded.
  • libpointer: creates an C pointer object usuable in Nelson.
  • getdynlibext : returns the extension of dynamic libraries.

• #101: allows cell_vertcat_generic & cell_horzcat_generic.

Bug Fixes:

#106: update slicot url references.

#104: mpiexec did not work on some linux.

v0.2.3

0.2.3 (2018-03-22)

Features:

• 'strlength': length of strings in an cell of strings.

• 'strrep' and 'replace' builtin : replace substring in a string.

• export AUDIODEV=null disables audio module (used for Travis CI)

• 'xmldoctomd' : Converts xml Nelson help files to markdown format.

• 'buildhelpmd' : Build help of Nelson's modules for GitBook.

  see Nelson's GitBook.

v0.2.2

0.2.2 (2018-02-25)

Features:

• 'count' : computes the number of occurrences of an pattern.
• 'startsWith' : checks if string starts with pattern.
• 'endsWith' : checks if string ends with pattern.
• 'contains' : checks if string contains a pattern.
• audiometadata can modify metadata tags.
• Qt 5.10 used on Windows binaries

Bug Fixes:

#98: jsonencode was slow with a big file (> 60 Mo).

#97: fileread was slow with a big file (> 60 Mo).

#93: playblocking updated to manage range.

#92: play updated to manage range.

#90: factorize handle objects methods.

v0.2.1

0.2.1 (2018-01-30)

Features:

• pause: pause script execution.

• keyboard: stop script execution and enter in debug mode.

• Audio module:

  • beep: do a beep sound.
  • audiodevinfo: Information about audio device.
  • audioplayer: creates an audio player object.
  • play: plays audio object.
  • playblocking: plays audio object and block execution until finish.
  • pause: pauses audio object.
  • stop: stops audio object.
  • resume: resumes audio object.
  • isplaying: returns if audio object is playing.
  • audioread: read an audio file.
  • audioread: write an audio file.
  • audioinfo: get information about audio file.
  • audiometadata: get metadata information about audio file.

• JSON module:

  • jsonencode: encodes a Nelson object into a JSON string.
  • jsondecode: decodes a JSON string into a Nelson object.
  • jsonprettyprint: JSON pretty printer.

• #89: extends fileread behavior.

• 'filewrite' builtin allows to easily write to file a string array or a cell of strings.

• 'newline' function: returns newline character i.e char(10).

• ndarraychar_disp was missing.

• NIG slicot uses json files.

Bug Fixes:

Regenerates help files index if database is empty or wrong (>= Qt 5.9)

#87: struct did not support sparse matrix.

Compilation:

• Update VS 2017 solution to VS 2017 15.5.4

v0.1.12

0.1.12 (2017-12-24)

Features:

• MPI interface for Nelson
  • MPI_Initialized : Indicates whether MPI_Init has been called.
  • MPI_Finalize : Terminates MPI execution environment.
  • MPI_Init : Initialize the MPI execution environment.
  • MPI_Get_processor_name : Gets the name of the processor.
  • MPI_Get_version : Return the version number of MPI.
  • MPI_Get_library_version : Return the version number of MPI library.
  • MPI_Recv : Blocking receive for a message.
  • MPI_Send : Performs a blocking send.
  • MPI_Barrier : Blocks until all processes in the communicator have reached this routine.
  • MPI_Bcast : Broadcasts a message from the process with rank "root" to all other processes of the communicator.
  • MPI_Reduce : Reduces values on all processes to a single value.
  • MPI_Allreduce : Combines values from all processes and distributes the result back to all processes.
  • MPI_Probe : Blocking test for a message.
  • MPI_Iprobe : Nonblocking test for a message.
  • MPI_Comm_object : Creates MPI_Comm object.
  • MPI_Comm_disp : displays MPI_Comm object.
  • MPI_Comm_get_name : Return the print name from the communicator.
  • MPI_Comm_delete : delete MPI_Comm object in Nelson environment.
  • MPI_Comm_used : get used MPI_Comm objects in Nelson environment.
  • MPI_Comm_isvalid : check MPI_Comm handle validity.
  • MPI_Comm_split : Creates new communicators based on colors and keys.
  • MPI_Comm_rank : Determines the rank of the calling process in the communicator.
  • MPI_Comm_size : Determines the size of the group associated with a communicator.
  • mpiexec : Run an MPI script.

Bug Fixes:

#85: paste in text editor should be limited to the text only.

#84: CTRL + A action in text editor.

#83: save action in text editor do a popup to reload file.

#82: home, end, page down, page up keys shorcut not implement in editor.

Compilation:

• Update VS 2017 solution to VS 2017 15.5.1

Nelson 0.1.11 build

0.1.11 alpha (2017-11-26)

Features:

• #75: Intel Math Kernel Library can be used to replace OpenBLAS and FFTW on Windows.

• add an embedded script editor for Nelson:

  • 'edit' builtin added.
  • syntax colorization.
  • text completion.
  • smart indentation.
  • drag & drop files.
  • files modification notified.
  • files association: .nls .nlf

• add 'smartindent' builtin to indent a .nls or .nlf file.

• drag & drop .nls (run), .nlf (open with editor) in gui main window.

• #72: Add a script to check missing help files.

Bug Fixes:

#80: code editor: keys up, down, left, right behavior

#78: [p,f,e]=fileparts('c:/') did not return the good result

Compilation:

• BOOST 1.65.1 on Windows

Nelson 0.1.10 build

0.1.10 alpha (2017-10-29)

Features:

• SLICOT module:

  • SLICOT (Subroutine Library in Systems and Control Theory) builtin generated with NIG.

  • slicot_ab01od : Staircase form for multi-input systems using orthogonal state and input transformations.

  • slicot_ab04md : Discrete-time / continuous-time systems conversion by a bilinear transformation.

  • slicot_ab07nd : Inverse of a given linear system.

  • slicot_ab08nd : Construction of a regular pencil for a given system such that its generalized eigenvalues are invariant zeros of the system.

  • slicot_ag08bd : Zeros and Kronecker structure of a descriptor system pencil.

  • slicot_mb02md : Solution of Total Least-Squares problem using a SVD approach.

  • slicot_mb03od : Matrix rank determination by incremental condition estimation.

  • slicot_mb03pd : Matrix rank determination by incremental condition estimation (row pivoting).

  • slicot_mb03rd : Reduction of a real Schur form matrix to a block-diagonal form.

  • slicot_mb04gd : RQ factorization with row pivoting of a matrix.

  • slicot_mb04md : Balancing a general real matrix.

  • slicot_mb05od : Matrix exponential for a real matrix, with accuracy estimate.

  • slicot_mc01td : Checking stability of a given real polynomial.

  • slicot_sb01bd : Pole assignment for a given matrix pair (A,B).

  • slicot_sb02od : Solution of continuous- or discrete-time algebraic Riccati equations (generalized Schur vectors method).

  • slicot_sb03md : Solution of continuous- or discrete-time Lyapunov equations and separation estimation.

  • slicot_sb03od : Solution of stable continuous- or discrete-time Lyapunov equations (Cholesky factor).

  • slicot_sb04md : Solution of continuous-time Sylvester equations (Hessenberg-Schur method).

  • slicot_sb04qd : Solution of discrete-time Sylvester equations (Hessenberg-Schur method).

  • slicot_sb10jd : Converting a descriptor state-space system into regular state-space form.

  • slicot_sg02ad : Solution of continuous- or discrete-time algebraic Riccati equations for descriptor systems.

  • slicot_tb01id : Balancing a system matrix corresponding to a triplet (A, B, C).

  • slicot_tg01ad : Balancing the matrices of the system pencil corresponding to a descriptor triple (A-lambda E, B, C).

• Nelson Interface Generator (NIG) allows to generate Nelson builtin from C/Fortran code.

• add 'isfield' function to check existence of a fieldname in a struct.

• add 'exist' function to check existence of variable, builtin, function, file or directory.

• add 'isvar' function to check existence of variable.

• add 'ismacro' function to check existence of macro.

• add 'isbuiltin' function to check existence of builtin.

• add 'f2c' function to convert fortran code to C from Nelson

• optimize 'vertcat' and 'horzcat' builtin (remove duplicated code).

• history file saved on your cloud drive if 'OneDrive' environment variable defined.

Bug Fixes:

#74: A=[]; A(end + 1) = 8 failed.

#71: unix & dos did not have help files.

#68: display of nd array of integer were not defined.

#14: error(error_struct) throws an error using the fields of error_struct.

Compilation:

• SLICOT used for control functions.

• add Fortran 2 C converter library (based on libf2c forked).

Nelson 0.1.9 build

0.1.9 alpha (2017-09-02)

Features:

• add 'fftshift' and 'ifftshift' functions to shift the zero-frequency component to the center of the spectrum.

• add 'circshift' function.

• colon as string managed for deletion, extraction and insertion.

• add 'rem' builtin. Remainder after division.

• add 'abs' builtin. Absolute value.

• add 'repmat' builtin. Replicates and tiles an array.

• add 'mod' builtin. Modulus after division.

• add 'maxNumCompThreads' builtin. Set/Get maximum number of computional threads.

Compilation:

• Nelson Visual Studio solution updated to use 2017 version.

• On Windows, all dependencies updated to be compatible with VS 2017 runtime.

• more 50 warnings fixed (Thanks to PVS-Studio analyzer and also Cppcheck).

Bug Fixes:

#60: Y = complex(rand(500), rand(500)) crashed Nelson.

#58: Manages ICU4C 59.1 on macos X.

Nelson 0.1.8 build

0.1.8 alpha (2017-08-15)

Features:

• FFTW module:

  • fft, ifft, fftn, ifftn functions based on FFTW library.
  • fftw function to manage FFTW wisdom data.

• prod : product of array elements builtin added.

• conj : complex conjugate builtin added.

• transpose and complex conjugate transpose manage all types available in Nelson.

• APPVEYOR updated to build windows 32 & 64 bits versions.