v0.2.12

0.2.12 (2018-12-31)

Features:

HDF5 high-level functions:

• h5dump: Dump the content of hdf5 file as text.
• h5ls: List the content of an hdf5.
• h5writeatt: Writes HDF5 attribute.
• h5readatt: Read HDF5 attribute.
• h5write: Writes HDF5 data set.
• h5readatt: Read HDF5 data set.
• h5create: Creates a data set.

Bug Fixes:

• #170: Travis CI Macos X (mojave) build failed.

• #168: integer display was not interruptable.

Compilation:

• BOOST 1.68 on Windows
• Eigen 3.3.7

v0.2.11

Features:

• Nelson in the cloud:

  • easy way to deploy (npm package and docker)
  • add 'sioemit' builtin. Send data from Nelson to client.
  • add 'siogetvariable' function. Send variable value to client.
  • add nelson_sio_client executable used by Nelson in the cloud framework.

• addition, substration, mtimes, times, power with integers reworked.

• integer cast optimized.

• modernize/optimize C++ with LLVM tools.

v0.2.10

0.2.10 (2018-10-20)

Features:

• string array type added:

  • strings, string builtin: string array constructor.
  • isstring: Return true if variable var is a string array.
  • parser updated to manage string array:

    A = ["Nelson" "manages"; "string" "array"]
  

  • isequal, isequaln, isequalto extended to manage string array.
  • transpose, ctranspose extended to manage string array.
  • horzcat, vertcat extended to manage string array.
  • cell extended to manage string array.
  • double extended to manage string array.
  • tolower, toupper extended to manage string array.
  • strtrim extended to manage string array.
  • strlength extended to manage string array.
  • count extended to manage string array.
  • contains extended to manage string array.
  • startsWith, endsWith extended to manage string array.
  • replace, strrep extended to manage string array.
  • str2double extended to manage string array.
  • fprintf, sprintf extended to manage string array.
  • strfind extended to manage string array.
  • strcmp, strcmpi, strncmp, strncmpi extended to manage string array.
  • fileread, filewrite extended to manage string array.
  • operators ==, ~=, <, >, >=, <= extended to manage string array.
  • operator plus extended to manage string array.
  • loadbin, savebin extended to manage string array.
  • MPI interface extended to manage string array.

• deblank builtin: removes trailing whitespace from a cell of strings, a string array or a character vectors.

• ismissing builtin: search missing values.

• cellstr function: converts to cell array of character vectors.

• operators ==, ~=, <, >, >=, <= reworked (Compatiblity Array Sizes increased).

• ==, ~=, isequal: speed optimization.

• internal API C++ methods renamed:

  • "stringConstructor" --> "characterArrayConstructor".
  • "isString" --> "isCharacterArray"
  • "isSingleString" --> "isRowVectorCharacterArray"

• #164: operators ==, ~=, <, >, >=, <= code factorized.

• #159: addpath must return an warning and not an error for an non existing path.

• #157: fix warnings detected by LGTM.com.

• #156: Moves dbstack in 'debugger' module.

v0.2.9

0.2.9 (2018-09-23)

Features:

• Overload and speed optimization:

  • all operators use by default predefined functions. Nelson will search if operators are missing for a specific type.
  • add overloadbasictypes function to change default behavior.
  • gamma function speed x4 (overloading)

• power element-wise operator reworked (overloading and mixed types).

• colon operator reworked (overloading and mixed types).

• ndarray subclass no more exists. class merged with basic type (speed optimization).

• isequalto builtin added (returns true if all arguments x1, x2, ... , xn are equal i.e same type, same dimensions, same values or NaNs).

• tanm, sinm builtin added.

• strtrim builtin: removes leading and trailing whitespace from a cell of strings or a string.

• cell & struct managed for complex transpose & transpose.

• for, index column or matrix: behavior changed.

  Warning: It is a breaking feature.

  // Please replace:
  A = [1:4]';
  for i = A, x = i + 1, end
  // by: 
  A = [1:4]';
  for i = A(:)', x = i + 1, end
  

Bug Fixes:

• #133: Replaced uncommon term "trinary" by "ternary".

• #119: Execution of simple expression "1+2+3" was rather slow.

• #115:code about single & double operators was factorized

• #114: Move gamma function in a dedicated module "special_functions".

Compilation:

• Enable LGTM.com analysis for C/C++ code.

v0.2.8

0.2.8 (2018-08-26)

Features:

• error manager reworked.

  • internal C++ function did no more require reference to evaluator.
  • error and warning internally managed as exceptions.

• 'dbstack' builtin get current instruction calling tree.

• #16: lastwarn builtin (Last recorded warning message).

• #15: warning builtin was extended (state and identifier added).

Bug Fixes:

• #152: insertion did not return expected result for empty matrix.

• #138: colon operator did not return expected for non scalar element.

Compilation:

• Qt 5.11.1 on Windows

v0.2.7

0.2.7 (2018-07-29)

Features:

• sqrt builtin (Square root)

• log builtin (Natural logarithm)

• angle function (Phase angle)

• atan2 builtin (four-quadrant inverse tangent)

• exp builtin (exponential)

• #142: clear('functionName') clears all persistent variables of functionName function.

• addition, substraction reworked (Compatiblity Array Sizes increased, code factorized).

• &, |, &&, || operators reworked (Compatiblity Array Sizes increased).

• havecompiler uses a persistent variable to speedup result.

Bug Fixes:

• #145: int32(NaN) did not return 0.

• #131: for, parfor, switch, try keywords were not documented.

v0.2.6

0.2.6 (2018-06-26)

Features:

• Nelson provides a cross-platform command-line tool written in Nelson for compiling native addon modules for Nelson. It takes away the pain of dealing with the various differences in build platforms:

  • helper's functions to build C/C++ code easily on Windows, Linux, MacOS X:

    • dlgeneratemake: generates a makefile for building a dynamic library.
    • dlgeneratecleaner: generates cleaner.nls file for C++ gateway.
    • dlgenerateloader: generates loader.nls file for C++ gateway.
    • dlgenerateunloader: generates unloader.nls file for C++ gateway.
    • dlgenerategateway: generates C++ gateway.
    • findcmake: find CMake path.
    • cmake function: call CMake tool.
    • dlmake: call make or nmake tool.

  • detect and configure C/C++ compilers on Windows, Linux, MacosX:

    • On Windows:

      • VS 2017 Professional, Entreprise, Community supported.
      • MinGW-W64 for 32 and 64 bit supported.
      • By default, Nelson does not try to detect a C/C++ compiler on Windows.
        Do not forget to run 'configuremsvc' or 'configuremingw' once.

    • On Linux:

      • GNU C/C++ Compilers, Clang.

    • MacOS X:

      • Xcode or GNU compiler available via Homebrew .

  • havecompiler function: returns if a compiler is configured.

  • configuremingw function: select and configure Mingw-w64 compilers.

  • configuremsvc function: select and configure Microsoft compilers.

  • loadcompilerconf function: load compiler configuration

  • removecompilerconf function: remove compiler configuration

  • vswhere function: detects easily modern Microsoft compilers.

• module skeleton updated to build an example with C++ function (cpp_sum).

• sprintf, fprintf functions: format data into a string or a file.

• add "<--C/C++ COMPILER REQUIRED-->" tag managed by test engine.

• add "<--INDEX 64 BIT REQUIRED-->" tag managed by test engine.

• norm function: matrix and vectors norms.

• #128: code indented with clang-format (webkit coding style)

Bug Fixes:

• #139: fix(1e10) returned a wrong value.

• #136: Corrected predecence of Colon ":" operator.

• #134: Evaluation of Non-Scalar If-Condition Expression was not managed.

• #116: fix display size of big sparse matrix.

Compilation:

• libffi 3.2.1 dll on Windows 32 & 64 bit

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.