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Diffstat (limited to 'libs/cassowary/NEWS')
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1 files changed, 229 insertions, 0 deletions
diff --git a/libs/cassowary/NEWS b/libs/cassowary/NEWS new file mode 100644 index 0000000000..0f950dacef --- /dev/null +++ b/libs/cassowary/NEWS @@ -0,0 +1,229 @@ +Cassowary NEWS -- history of user-visible changes. -*- text -*- + +Cassowary Constraint Solving Toolkit was +Implemented by: + +Greg J. Badros <gjb@cs.washington.edu> and +Alan Borning <borning@cs.washington.edu> +University of Washington +Computer Science and Engineering +Seattle, WA 98195-2350 + +with Constraint Drawing Applet (CDA) by Michael Noth <noth@cs.washington.edu> + +12-March-2000: Version 0.60 released. +* Changed license to LGPL!!! +* Added SetAutoResetStayConstants(), FIsAutoResetStayConstants(), make ResetStayConstants() public + +29-Jan-2000: Version 0.55 released. +* Some bug fixes +* Added ClSimplexSolver::{ChangeStrength,ChangeStrengthAndWeight,ChangeWeight, + DisplayObjective,ExternalResetStayConstants} fns + From A. Beurivé. + +16-Dec-1999: Version 0.54a released. +* Include correct version of OTI Smalltalk .dat file + (the source in the *.app files was right, the .dat file was old) +* Fix java build bug + +15-Dec-1999: Version 0.54 released. +* Bug fixes +* auto-configuration improvements +* Support Java 2 (jdk-1.2) +* Improved ease of building Java demos +* Build guile wrapper as long as guile-config works, use new --disable-guile-build to force off +* Alpha-version of Java constraint parser contributed by Will Portnoy + +24-October-1999: Version 0.53 released. +* Bug fixes +* License exception for linking with Scwm. + +25-September-1999: Version 0.52 released. +* Bug fix for nested edits where a later edit includes an already-being-edited variable + +14-September-1999: Version 0.51 released. +* Minor bug fixes +* Much better packaging, RPMs, etc. more forced reliance on GTL + +26-August-1999: Version 0.51 pre-releases begin + +12-July-1999: Version 0.50 released. +* Made only C++ version build by default, --enable-java-build is needed to turn java on +* Added restricted finite domain solver +** needs --with-gtl configure option, and libGTL.{a,so*} to be installed +* Added ClSolver base class, and use its type for pointers in callbacks + +14-Apr-1999: Version 0.43 released. +* DEBUG_PARSE turned off by default +* Added cassowary.spec for RPM building + +31-Mar-1999: Version 0.42 released. +* Fixed autoconf bugs (.41 was a buggy release) +* Added --disable-cpp-build,--disable-java-build, and disable Python/Guile builds +automatically if directories cannot be found + +20-Mar-1999: Version 0.41 released. +* Fixed bug in autoconf support -- config.sub, config.guess to the +distribution so configure should actually work (they were symlinks +before, in error). + +18-Mar-1999: Version 0.4 released. + +18-Mar-1999: Changes since Cassowary v0.32 (for release v0.4) +* MUCH improved autoconf/automake support including numerous configure +options, added libtool support. +* Renamed many identifiers in the public API; this will break old code +using Cassowary. See the scripts/convert-ids script for help converting +your code (beware false positives; i.e., improper or unnecessary +changes). + + +10-Mar-1999: Changes since Cassowary v0.31 (for release v0.32) +* Added automake/autoconf support. Old Makefiles are now +Makefile.linux. This is not yet fully tested or correct, but I need to +make a release now for the bug fixes. Consider compiling with "make -f +Makefile.linux all" if you have problems running autoconf and/or +automake. + +* Changes to C++ +** Bug fix for problem Anthony Beurivé noticed regarding removing non-1 +weight stay constraints. +** Minor bug fix for parser. Also renamed the creader files to ClReader. + +* Changes to Java +** Bug fix for problem Emmanuel Pietriga reported regarding edit +constraints. +** Improved debugging support a bit by adding descriptions to +ExCLInternalError-s and assert()s + +* Changes to guile wrapper +** changed name of library to libcassowaryguile.a from libconstraints.a + + +1-Mar-1999: Changes since Cassowary v0.3 (for release v0.31) +* Changes to C++ +** Some bug fixes -- pass ClVariable-s around by value instead of const +& since they are now a handle class. +** Changed output format for ClEditConstraint, ClStayConstraint instances +** Use a function-object for controlling lookup/creation of variables in PcnParseConstraint +** Fix bugs in creader.y parser (did not accept parens or division +before). Introduced "==" as a a synonym for "=" +** Added szCassowaryVersion id string as a public char *. +** Added ChangeStrength, ChangeWeight to ClConstraint's public +interface, and have it valid only when the constraint is not in a solver +** Added ClConstraint::FIsInSolver() + +* Changes to Guile wrapper +** Fix bugs +** Wrap parsing functionality, including a lambda for lookup/creation of +variables +** Build a dynamically-loadable guile module, update cltests.scm to use it + + +23-Feb-1999: Version 0.3 released. + +19-Feb-1999, Changes since Cassowary v0.23 (for release v0.3) + +* Changes to Java and C++ +** Bug fix for Michael Kaufmann's report (see ChangeLog for details) +** resolve(Vector..) procedure is now depracated; preferred interface is +suggestValue(...) calls followed by resolve() (the one taking no +arguments). +** Added ClVariable::SetVarMap(..), ClVariable::VarMap() to permit +ClVariable ctr to save the mapping between given name and actual object +in a symbol table (used for parsing ascii expressions in C++ version) + +* Changes to just C++ implementation +** Use ClVariable as a handle class to a ClAbstractVariable-- old +ClVariable is now a ClFloatVariable. SetChangeClvCallback now takes a +function that takes a ClVariable handle, not a pointer. +** Passing ClConstraints's by const & is now deprecated -- pass by +pointer to the ClConstraint object +** Added creader.y, creader.l and function PcnParseConstraint(..) for +creating a constraint from an ASCII string. +** Added CL_NO_IO compile-time option to C++ version for preventing need +to link with the stream library (is not complete) +** Added CL_FIND_LEAK compile-time option for counting ctrs/dtr +invocations +** Added CL_USE_HASH_MAP compile-time option to permit using the GNU +hash_map class instead of the standard STL map (which is a sorted +associative container whose performance for lookups is logarithmic +rather than constant time). Still does not work for me --02/16/99 gjb. + +* Changes to just Java implementation (updated to match changes to C++ +version for .2) +** Added {get,set}AttachedObject for ClVariable, ClConstant +** Permit access to ClSimplexSolver.ConstraintMap() +** Permit nested beginEdit()s and handle them correctly + +* Miscellaneous changes +** Updated copyright to include 1999 +** Fixed wrappers/Makefile for building Python wrapper +** Reference Anthony Beurivé's STk wrapper +** Fix Scwm URL + + +30-Jan-1999, Changes since Cassowary v0.22 (for release v0.23) +* Bug fix (see ChangeLog for details) + + +23-Jan-1999, Changes since Cassowary v0.21 (for release v0.22) +* Minor code cleanup, additions of comments. + + +14-Sep-98, Changes since Cassowary v0.2 (for release v0.21) + +* Make compile cleanly using egcs-1.1b -- use typename, and drop + unused templated instantiation + +* Improved guile interface: add a void pointer to the solver objects, + and let the guile wrapper use it to keep a pointer to the scheme-level + object; also added clv-attach! and clv-attached-object for attaching + an object to a cl-variable (somewhat redundant with guile's + object properties) + +* Wrap ClStayConstraints so they can be managed explicitly + +* cl-add-stay, cl-add-editvar now take strength and factor arguments, + instead of a list of cl-vars + +* Added weight option to addEditVar + + +6-Aug-98, Changes since Cassowary v0.1 (for release v0.2): + +* Changes to the distribution for release v0.2 + +** added guile/scheme wrapper of C++ version + +** mention SCWM in README + +** mention non-maintenance of Smalltalk implementation unless we have users + +* Changes to the C++ and Java implementations + +** Fixed several bugs -- dummy variables were wrongly being pivoted into + the basis, and constraints that threw required failure exceptions + were mistakenly remaining in the tableau (now trying to remove an + exception that was not added because of a required-failure exception + will correctly throw a ConstraintNotFound exception); more -- see ChangeLog + +** Added a virtual change_value function to permit applications to watch + for changes made to external variables. + +* Changes to only the C++ version (Java version will catch up in 0.3) + +** Added new test cases to ClTests, fixed bugs in ClTestColumns + +** Added _pv (void *) field hanging off of ClConstraint and ClVariable + for associating arbitrary structs with those (needed by SCWM) + +** Permit nested beginEdit()s, and do the right thing upon calling + endEdit() -- i.e., not all the edit variables are removed, only the + nested ones + +** Permit access to ClSimplexSolver::ConstraintMap() (used by + guile-wrapper to efficiently get at a list of constraints in the + solver) + +** Added ExCLEditMisuse exception |