31 Oct 2017 ----------- Version 0.9.9 (in progress) - New data structures to improve compiler error reporting ('relerrorlist') - Eliminated redundant 'mem.c' and 'freestore.c' code, switch to 'pool' instead. - Several disused codes moved to 'disused' folder (may recover later) - Update to recent GCC/SCons/Linux - TODO: Merge changes for GTK3 - TODO: Merge Python3 support - TODO: Merge Improvements to canvas-based modeller 30 Apr 2012 ----------- Version 0.9.8 - 64-bit and 32-bit support for Windows (John) - Added new SOLVER, OPTION and SOLVE commands for use in METHODS (John) - Much improved Observer functionality with plotting and 'study' (Aakash) - Added support for viewing ALIASES lists in the PyGTK GUI (John) - Fixed crash due to console output with when starting with pythonw on Windows. - Support for SWIG 2.x added. - Fixed a couple of minor memory leaks and too-early freeing (john) - Rewrote Simulation::solve to respect solver-imposed iteration limits (john) - Reduced default QRSlv time limit to 20 seconds (down from 1500 s). - Added ASCEND syntax highlighting capability for several new text editors (see http://ascend4.org/Syntax_highlighting for details) - Added example model of a combined cycle gas turbine power station (John) - Stopped addition of several redundant files in the source code tarball which required improvements to SCons 'DistTar' functionality (John) - Require SUNDIALS 2.4.0, no support for older versions now. - Fixed bug with detection of SUNDIALS on Windows (Luo Yu, john) - Fixed a couple of minor GUI errors in PyGTK GUI (john) - Added Save As functionality for dependency graph (grivan) - Fixed bug 425: 'View notes' window shows duplicated notes (grivan) - Fixed errors in closed boiler feedwater heater model (Kelvin Hang Sio) - Fixed G77 detection for use by LSODE (john) - Now requiring SCons v0.98 or later. - Fixed bug 436: CONOPT_PATH problems with Linux (john) - Some progress toward packaged App version of ASCEND for Mac (john) - Partially updated Canvas GUI code to work with latest Gaphas (arijit) - Extensive set of new CUnit test cases. - New installer should be able to navigate most HTTP proxies now (John) - Numerous other bugs fixed, see: http://bugs.ascend4.org/changelog_page.php 24 Dec 2009 ----------- Version 0.9.7 - Fixed problem with environment variables under Windows in 0.9.6 release - Porting to Mac OS X (John) - Adding support for IPOPT optimisation solver (Mahesh, Ben, John) - Adding new LINK syntax and DER and INDEPENDENT statements (Dante, Ben, John) - Improvements to canvas-based GUI (Arijit, John) - CSV data reader (Jose, John) 30 Apr 2009 ----------- Version 0.9.6 - Major code reorgansation, switched active development back to trunk - Snapshop of code before start of GSOC2009 students. - Much expanded syntax highlighting for gedit users (Linux) - Improved packaging for Ubuntu (more standards-compliant) - Restored functionality of 'relative paths' usages for Tcl/Tk GUI. - Implementation of Canvas GUI progressed a bit more, still pre-alpha. - Support for Autotools and Visual Studio removed (too stale to stay there) - Header files are now located in /usr/include/ascend on Linux. - Added Python bindings for FPROPS. - Added Hydrogen, Water to FPROPS. - Fixed support for 'critical terms', speed of sound, specific heat and partial derivatives in FPROPS. - DTAR now fails if dpkg-buildpackage fails. - In PyGTK GUI, 'fixed variables' dialog now shows variable values. - Graphviz system graph now shows unconverged relations. - Added 'sticky' installer preferences in Windows, to help prevent uninstall problems. - Add support for SCons 1.2.0 (some deprecation warnings still though) - ascend-config outputs paths with double backslash on Windows. - Added LoadString method in Python bindings, for use by Canvas GUI. - Fixed apparent bug in pairlist_append_unique. - Added pairlist_set and pairlist_values_and_destroy. - Added new 'notequery' module for 'most refined' notes on a model. - Added new test models in test/canvas/blocktypes.a4c. 29 Sep 2008 ----------- Version 0.9.5.116 - Instance::as renamed to Instance::in (for expressing a value in the desired units) because 'as' is a reserved word in Python. - Some efforts underway to implement new rigorous thermodynamic property calculator using MBWR and Helmholtz correlations. - Fixed linking of LSODE with '-fPIC' required for amd64 platform. - Added 'dtar' utility to facility quick building of DEB packages from source code tarball plus debian.tar.gz file. - Some efforts on creating a graphical 'block' editor including partial implementation of a canvas widget plus scanning the library for suitable 'block' type models according to certain criteria. - 'kinematic_viscosity' now available in atoms.a4l. - Added legend to Krishnan's 'zplot' utility. - Some further efforts to complete the tie-in to the IPOPT solver (now ver 3.4.0) - Added 'notequery.c' to seek out most applicable NOTES on a given instance. - Fixed bug with 'apply' button in Units of Measurement dialog. - Fixed silly mistake in 'turbine' model in johnpye/rankine.a4c. - Fix python handling of 'unable to build system' error. - Moved 'ascend-config' package to 'ascend-devel' RPM. - Fixed linking against Tcl/Tk for Fedora 9. - Some updates to build scripts for new SCons API. - Silenced some debug output from various places. - Added code for reading climate data in ACDB (Australian Climate Databank) format. - Update to support IPOPT 3.4.0 - Some work on fixing bug with IDA when derivs without vars present. - Fixed section numbering in 'book.pdf'. - Fixed Graphviz behaviour when model too large. - Expanded GtkSourceView2 highlighting. - Fixed installation in GNOME Applications menu. - Fixed some problems with GUI object names that crept in due to use of Glade-3 - Added new external library 'FPROPS' for calculation of accurate thermodynamic properties. Version 0.9.5.115 - Was not released (due to probs with version numbering on the Ubuntu PPA) 27 Feb 2008 ----------- Version 0.9.5.114 - Fixed launching problems on Windows - Added Units of Measurement dialog to PyGTK GUI. - Updated version check to use the CMU server instead of old UNSW server. - Fixed ascend-config script for Windows paths containing spaces. - Fixed display of logrels in PyGTK GUI. - PyGTK GUI correctly opens PDF docs if available on local machine. - Added a PyGTK crash dialog to give information about failures in ASCEND. - DOPRI5 converted to full 'solver' status (lives in solvers/dopri5 now). - Added (experimental) DOPRI5 integrator to the Windows binary installer. - Fixed some problems with linking to CONOPT optimiser - Streamlined some internal build-time dependencies. - Improved gtksourceview-2.0 highlighting for use with Gedit on Linux. - Added Graphviz bindings to allow dependency graph view. - Some code renaming/refactoring in 'compiler' and 'system' sections. - Fixed splash-screen behaviour - Refactored 'moduleview' out of 'gtkbrowser'. - Some preliminary fixes to attempt support for Mac platform. - Added some CUnit test cases for 'compiler' section, renamed all CUnit tests. - Fixed dlopen bug on Linux. - Changes to measures.a4l to add SI prefixes and modified the base units to their abbreviation instead of full names. TODO: more work to get IPOPT solver working. TODO: still some problems with DOPRI5 solver. TODO: fix GraphViz dependency so that it can be dlopened rather than linked. 19 Aug 2007 ----------- Version 0.9.5.113 - Fixed launching of help files/web links from PyGTK GUI on Linux. - Added option in Windows installer to install header files for developers. - Fixed value of @PYTHON@ on Windows for use in ascend-config script. - Fixed deletion of $INSTDIR/solvers on Windows during uninstall. TODO: work on support for users with GIMP's GTK+ runtime installed. TODO: translate line-endings for installed files on windows. 5 Aug 2007 ---------- Version 0.9.5.112 Solver interface - all solvers and integrators are now built as 'external library' DLL/SOs. - new ASCENDSOLVERS environment variable gives additional search path location that is checked when attempting to satisfy IMPORT statements. - Fixed behaviour scons when lex/yacc not available. - Many ASC_DLLSPEC qualifiers added as result of the expanded use of external libraries. Solvers - CONOPT no longer needs to be present at buildtime. This was possible due to permission from Arne Drud to add the 'conopt.h' file to our source code. - BLAS and LINPACK are now embedded in the LSODE DLL/SO. They are not part of libascend, which makes the main DLL about 1 MB smaller. - Some bugs in the DOPRI5 integrator identified (full testing still not completed). - placeholder for a future TRON solver (work still to do on that) - work underway on the IPOPT optimisation solver. Model library - Equations of state models from Krishnan. - Added ASCEND port of the standard GAMS example problem. Windows installer - Added ability to download and install missing dependencies. This makes getting started with ASCEND much simpler for new users. - Added the user's manual (in PDF form) to the installer package. RPM package - A SUNDIALS RPM package has been submitted for inclusion in Fedora, making installation of ASCEND possible with a single download on that distro. - RPM divided into subpackages ascend, ascend-devel, ascend-doc. - Other work on building RPMs for a range of Linux platforms using the new OpenSUSE Build Service. DEB package - Fixed. 3 Jun 2007 ---------- Version 0.9.5.111 Windows packaging improvements: - Launch via pythonw.exe instead of batch file - File association for .a4c and .a4l files - Add Model Library link to Start menu - Add CHANGELOG.txt and LICENSE.txt to Start menu - Detect missing PyGTK, PyCairo or PyGObject at install-time - Fix message for missing matplotlib in fourbarplot.py DOPRI5 integrator - Experimental release of DOPRI5 integrator for testing - Changes to Integrator API to allow loading external DLL/SOs Linux packaging improvements - Add SONAME to libascend 26 May 2007 ----------- Version 0.9.5.110 Removed dependency on matplotlib and numpy when ASCEND PyGTK first load. Fixed some problems with files left behind after uninstall on Windows. Added bug tracker link to help menu. Added loading splash screen Eliminated some cruft form the tarball. Restored basic build suppot for Autotools (Ben) Added missing .svg files in Windows installer Added icon in Windows Start menu Console now minimised by default on Windows 28 April 2007 ------------- Version 0.9.5.109 Added Debian packaging. Suppressed passing of FILE* objects between Python and C on the Windows platform, owing to a bug/limitation in GCC on MinGW. First upload of Windows installer to SF.net (there have been earlier versions on the Wiki though). 23 April 2007 ------------- Version 0.9.5.108 Alpha relase including new PyGTK GUI. This release continues a sequence of releases in the ASCEND Wiki, but is the first version we are releasing using the SF.net File Releases system. - Fedora Core 6 RPM - PyGTK GUI - Plotting with Matplotlib - ExtPy functionality for script-based METHODS - External 'black box' function support restored - Documentation converted to LyX - Python-based test suite - CONOPT and CMSlv support restored 10 March 2007 ------------- (No release) - created this changelog using file releases list from old website -- JP April 24 2000 ------------- Version IV 0.9.1 - Expanded chemical species database - Dynamic simulation modeling libraries June 23 1998 ------------ - WinNT, Win95, UNIX sources - WinNT, Win95 binaries - Redhat Linux 5 RPM binary - Redhat Linux 5 RPM source - Dynamic simulation modeling libraries - Howto-ascend examples and modeling guidelines manual, indexed. - GUI and syntax document manual, partially revised. October 1997 ------------ ASCEND IV 0.8 - WinNT, Win95, UNIX sources - WinNT, Win95 binaries - GUI and syntax document manual.