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

0.1.11 alpha (2017-11-25)

Features:

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

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

• 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 files.

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

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

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).

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.

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.

0.1.7 alpha (2017-07-16)

Features:

• On Windows, Nelson can read/write all excel 97-2016 file formats (Excel required) based on COM:

  • COM_xlsread : read a xls/xlsx file.
  • COM_xlswrite : write a xls/xlsx file.
  • COM_xlsfinfo : get information about xls/xlsx file.

• Component Object Model (COM) client interface: binary-interface standard for software components on Windows.

  • actxcontrollist : get list all available control services installed on current Windows.
  • actxserverlist : get list all available active X services installed on current Windows.
  • actxGetRunningServer : get COM handle of an existing COM server.
  • actxserver : creates a COM server.
  • COM_used : get list of COM handle currently used in current Nelson’s session.
  • iscom : determines if it is a COM handle.
  • overload on : class, delete, disp, fieldnames, get, set, invoke, ismethod, isprop, isvalid, methods.
  • add COM handle.
  • see examples in [modulepath(‘com_engine’), ‘/examples/’] directory.

• Better management of varargout without output.

• Add “<–EXCEL REQUIRED–>” tag managed by test engine.

Bug Fixes:

#53: COM_xlsread did not support path with dot ‘.’

#50: qml demos did not start on adv-cli mode.

0.1.6 alpha (2017-06-19)

Features:

• The QML engine enables nelson programs to display and manipulate graphical content using Qt’s QML framework.

  qml_demos // for demonstrations
  

• Qt 5.9 used on Windows binaries

• add CONTRIBUTING.md , CODE_OF_CONDUCT.md and ROADMAP.md files

• add ‘heldlg’, ‘msgbox’, ‘errordlg’, ‘warndlg’ functions based on QML.

• add ‘questdlg’ function (Creates a question dialog box) based on QML.

• add ‘==’, ‘~=’, ‘isequal’, ‘isequaln’ overload for handle and QObject.

• add ishandle, isprop, ismethod, method, properties builtin.

• add set, get, invoke, isvalid builtin used by handle objects.

• extends clear function to call delete if ‘TYPEHANDLE_clear’ function is defined.

• add handle object type.

• gui module also loaded in advanced cli mode.

• add ‘sind’, ‘cosd’, ‘tand’ functions.

• add more output information in the result file of test_run function.

Bug Fixes:

#47: add isfinite builtin.

#43: rename getContentsAsWideString to getContentAsWideString.

#27: >= operator was not implemented.

0.1.5 alpha (2017-04-17)

Features:

• Optimize constructors allocation for eye, ones, Inf, NaN, rand, randn functions.
• Add ‘issymmetric’ function.
• Add ‘svd’ function.
• Add ‘rcond’ function.

Bug Fixes:

#41: test_makeref starts a new clear session to create a ref file.

#39: inv([0 0;i() 3]) did not return [Inf, Inf; Inf, Inf] on ARM platform.

#25: ndims added.

#24: isnan & isinf added.

0.1.4 alpha (2017-03-19)

Compilation:

LAPACKE used for linear algebra functions. On Windows, OpenBLAS used. On others platforms reference library LAPACKE used.

Features:

• Add ‘isnan’ function.
• Rework double and single matrix 2D display.
• Add ‘trace’ function.
• Add ‘schur’ function.
• Add ‘inv’ function.
• Add ‘expm’ function (single, double, sparse double managed).
• Rename ‘string’ type to ‘char’ type, ‘string’ type will be added later.
• Add ‘dlmwrite’ function.
• Add ‘mat2str’ function (sparse managed).
• Add ‘str2double’ function.
• Add ‘cosm’ function.
• which(function_name, ‘-all’) without output argument display paths.

Bug Fixes:

#34: Windows installer did not copy module_skeleton help files at the good place.

#31: doc function was too slow (indexing at each restart).

#30: Search path order for functions was wrong.

0.1.3 alpha (2017-02-11)

Features:

• datevec updated to manage vectors, matrix.
• Add ‘nnz’, ‘nzmax’, ‘numel’ functions.
• Rework ‘searchenv’ to return a cell of strings.
• Update persistent variables behavior (clear functions).
• Add ‘ceil’, ‘floor’, ‘round’, ‘fix’ functions.
• Add sparse support for acos, asin, atan, cos, cosh, sin, sinh, tan, tanh.
• Add website and bug reports link in help menu.

Bug Fixes:

#28: Each public builtin have a help file.

#26: 7.853981633974482790D-01 was not correctly parsed.

#22: last output argument of ‘IJV’ did not return nzmax.

#19: rand & randn did not use Column-major order.

#17: ‘locales’ directory renamed as ‘locale’ (more standard).

#13: mldivide and mrdivide builtin were missing.

0.1.2 alpha (2017-01-01)

Bug Fixes:

#11: colon constructor failed with some special values.

#10: module_skeleton did not build/load.

#8: test_nargin & test_nargout failed in Windows binary version.

0.1.1 alpha (2016-12-30)

Bug Fixes:

#5: help browser did not work on some Windows

0.1.0 alpha (2016-12-28)

• Initial import in github of Nelson